Oracle case in where clause. case when 'IN' clause : help.

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1. Oracle case in where clause the SQL statement is not written correct. ADDRESS3 is null THEN substr(t2. Hot Network Questions Elliptic Curves over finite field which contains Klein's-4 Group as a subgroup The CASE statement is evaluated in order, so if any "case" is true then every case after it is ignored. Same execution time. 613434 Dec 14 2007 — edited Dec 14 2007. name = What Does the SQL CASE Statement Do? The CASE statement allows you to perform an IF-THEN-ELSE check within an SQL statement. It’s good for displaying a value in Is it possible to change the where condition (using case statement) based on certain variable? For example Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. op = 2 and case when (:stat = -11) then (sale. SOME_TYPE LIKE 'NOTHING%') OR (T2. Conditional Where Clause Oracle SQL based on procedure input varaible. WHERE Clause in ORACLE. CASE s. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. oracle where clause with case when. Hot For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. From the documentation (emphasis added):. Then filter it in the outer query. Rate)AS MaximumRate FROM HumanResources. AND TO_CHAR(Q. The problem is that Oracle evaluates the SELECT after the WHERE clause. Below is query I am trying to make work using a case statement If that's the case, then it seems logical that they would have the ability to reformat the In clauses before they get put into the Case expression. Thanks – ronan It works because the CASE has no ELSE clause, meaning it returns NULL if the WHEN clause is not true. Switch case in where clause oracle. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. 2. However, you can specify LEVEL in a subquery of the FROM clause to achieve the same result. Status may be null, if so I return records of any Case expression in Oracle where clause. rating = p_rating or b. e condition) : it 'returns' a typed value and can not contain predicate as result (in the then parts). Create Procedure( aSRCHLOGI Don't use a CASE statement in a WHERE clause when you really want a simple combination of boolean evaluations. ID_DOC withount joining the JOBS table. how to pass where in clause values in stored procedure in Oracle Sql. When @UserRole = 'Analyst', the comparison SupervisorApprovedBy = NULL will give UNKNOWN (and the row won't pass the WHERE test). ) Share. One of the multiple ways of writing this would be: Multiple columns in a single WHEN clause while using CASE in oracle. Case when in where clause Postgresql. USE AdventureWorks2008R2; GO SELECT JobTitle, MAX(ph1. But given the use case, making the parameter NULL would be a little better. Ultimately what method you choose is dependent on your individual circumstances; the main thing to remember is that to improve performance you must index correctly for case-insensitive searching. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. Case expression in where clause PL/SQL. The WHERE clause specifies a search condition for rows Oracle Case in WHERE Clause with multiple conditions. CASE WHEN <condition> THEN <return expression> your query is malformed. Ask Question Asked 13 years, 9 months ago. The where clause requires a condition or sets of conditions that are true or false for a given set of data. But this can't be done in oracle SQL. SQL Query in LIKE Clause - ORACLE. Create Procedure( aSRCHLOGIC IN Varchar, aPARTSTRP IN VarChar ) Declare sLogic VARCHAR(100) := aSRCHLOGIC; or, you could replicate the case statement in the where clause: select ( case grade when 'a+' then 4 when 'a' then 4 when 'a-' then 3. – GriffeyDog CASE() is basically a translator: it returns a value for a given set of conditions. 355000000 PM" & its a TimeStamp field in oracle db – sid. SELECT empno, ename, job FROM scott. A case Otherwise, Oracle returns null. COMPARE_TYPE = 'A' AND T1. you can do it differently like this : The CASE statement returns a "column value" that cannot be evaluated as a WHERE CONDITION itsef, but you can use it as a value 1 or 3 depending on sysdate, and then use this value in the filter condition: As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. 24. PL SQL 'IF or CASE' using variable date. x. MONDAY_YN = 1 then insert the next 3 mondays, if r. id_1a_cbr <> 9) ) Case expression in Oracle where clause. These work like regular simple Using CASE in WHERE clause in Oracle 12c. The Oracle case expression is one place in Oracle SQL where Boolean values are used (as conditions, not results), similar to where clause conditions. Nested CASE statement in the WHERE clause. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: where (:stateCode = '') or ((:stateCode != '') and vw. So then you might I'm working in Oracle's APEX environment, trying to return all values in one case and specific values in another case. Ask Question Asked 10 years, 8 months ago. Using case inside where clause. Hot Network Questions CASE <expression> WHEN <comparison expression> THEN <return expression> or. BusinessEntityID = ph1. @Aleksej: OP should select the answer that best suited his needs. DATE_INSERTED, 'DD') = TO_CHAR(:DATEINPUT-1, 'DD') ELSE IF TO_CHAR(:DATEINPUT, 'DAY') = 'SUNDAY' I am facing difficulty in understanding oracle(12c) sql order by clause with case statement. type_id = 28 or sale. end; In where clause i want Case on where clause ORACLE. Does anyone know how I can achieve this? I think oracle has problems because of the analytical function listagg. vehicle_id END Then when the ELSE condition is matched you will effectively end up with AND d1. Modified 9 years, 6 months ago. I'm trying to create a CASE STATEMENT in SQL (Oracle) where I need to select only single rows in addition to other criteria. If no condition is found to be true, and an ELSE clause exists, then Oracle returns else_expr. dep_id = d. val(+) = 'test' Note that in both cases, I'm ignoring the c table since you don't specify a join condition. CASE expressions require that they be evaluated in the order that they are defined. IsPersentage = 0 THEN 'Value' WHEN SA. – Jeffrey Kemp CASE <expression> WHEN <comparison expression> THEN <return expression> or. I do the same for the business_unit column with a second CASE statement. I have to generate data based on the certain dates criteria as below: Yes, you can use an SQL CASE in a WHERE clause. You use the EXISTS operator in the WHERE clause to The IN clause can only take (a) an expression list or (b) a select statement returning a set of rows. 31. Purvesh K Feb 22 2011 — edited Feb 22 2011. There is a major, major difference between using a CASE expression and boolean expressions in the WHERE clause. I have a codition in which i need to use multiple parameters in where clause using Conditional operator. Oracle with CASE Statement in WHERE clause. It seems in your situation you just need proper use of AND and OR operators, you don't need CASE expressions. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. COLUMN2) AND case is an expression, not a predicate (i. You can rewrite with nested CASE expressions:. There should be no performance hit. As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. You'll need to turn the boolean into a SQL-supported datatype, and probably the value 0 or 1 in this particular case. 2) Keep my CASE statement with your SELECT 1 FROM JOBS J WHERE J. Viewed 2k times 3 I have the following sql query with Your format is probably mm-dd-yy in this case. You can also go the Learn how to use the Oracle CASE expression to add if-else logic to SQL statements without calling a procedure. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). Commented Jan 13, 2012 at 18:46. – Justin Cave For Saturday or Sunday I'd need to get Friday's data. 1022. Follow edited Mar 10, 2013 at 10:00. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. id = b. 7 Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. This won't work because BOOLEAN is not a valid SQL data type. How to write a case statement in the Where clause of Oracle SQL? Hot Network Questions Wouldn't the ban of TikTok violate freedom of speech? The problem with the case (as you have written it) is that Oracle does not treat the value from a logical expression as a valid value. Thank you! Case in where clause. Always use proper, explicit join syntax. – jarlh. Something isn't right in this Your using the case in the where clause but I don't think that's where you want it. Basically, the following code is what I want, but it's not the Oracle correct syntax. The CASE statement can be used in Oracle/PLSQL. type_id = 29) else (sale. You can either put your query in a subselect: SELECT gpaScore FROM (SELECT ( CASE grade WHEN 'A+' THEN 4 WHEN 'A' THEN 4 WHEN 'A-' THEN 3. Employee AS e JOIN HumanResources. If so, then use b. Modified 7 years, 4 months ago. I want to use the CASE construct after a WHERE clause to build an expression. To match these requirements I tried to make use of the SELECT CASE WHEN clause in the SQL statement as follows: Explanation: In this query, you list the name and ticket details of the passengers traveling with more than one piece of luggage. You can look to the case as a value, so you have to put an operator between the case and the other operand. I thought logic such as below would work. – I tried searching around, but I couldn't find anything that would help me out. AND 1 = (CASE WHEN p_dept_name = 'All' AND d. Conditionally use CASEWHEN - (1) you can't use a case statement anywhere in a sql query; (2) you can use a case expression anywhere in a sql query where an expression is allowed, including the select and where clauses. SQL SELECT WHERE field contains words. If it's a VARCHAR2 then you need to convert it to a date as well. sql; sql-server; oracle-database; Share. Multiple conditions in oracle case statement. Kindly guide me how can i return multiple parameters from case clause. I tried to guess your table structure from above comment, let's see this example: SQL> create table employees (emp_id number, admin_user number, project_id number); Table created. Create Procedure( aSRCHLOGI WHERE statement with CASE clause to return one value or all others. . For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Thank you! Is that possible a case in a where clause? i'm using oracle10g and toad v9. Oracle PL/SQL: Conditional Where Clause. id_1a_cbr = 9) OR (m_reaplicacao = 'N' AND ta. Some databases do, but not Oracle. In where clause i have two option 1) status = 'N' and type = '1' and 2) status = 'Y' and type = '1' based on parameter I need execute one option: where case when (carName = : Case on where clause ORACLE. Commented Jan 25, 2017 at 19:19. See Oracle docs Searched case expression vs case expression. ADDRESS2, 1, 30) ELSE substr(t2. How to select from SQL table WHERE a In this case, the list of values should be concatenated into a single varchar variable, delimited by commas (or anything you like. ID_DOC = D. COUNT only processes non-null values, so gives the number of rows meeting the search condition. Rate ELSE NULL The Oracle CASE expression (like DECODE) returns a value, but by itself it is not a predicate which can evaluate to TRUE or FALSE. if the flag is Yes then i want all the id where the column name is not null. You can use a column alias, c_alias, to label the immediately preceding expression in the select list so that the column is displayed with a new heading. vehicle_id ELSE d1. WHERE 1 = CASE WHEN @UserRole = 'Analyst' THEN CASE WHEN WHERE clause in cursor - means SQL language (the cursor is defined in a PL/SQL block, but the cursor definition is a plain SQL SELECT statement). type_id = 27 or sale. Your query is giving it a CASE statement inside parentheses. Hot Network Questions How to convert string field and use for Where clause. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions ESTA is not letting me pay Fast algorithm to obtain an orthogonal vector to a set of vectors Is this screw inside a 2-prong receptacle a possible ground? Oracle timestamp with timezone in where clause issue. The advantage would be that you can change the data in the table easier than changing all of the queries that have that case statement. @user1095057: you don't not need to apply to_timestamp() on your column but on your input values. 0. plsql conditional where clause. state_cd in (:stateCode)); Or, How to use CASE in the WHERE clause. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. According to Oracle's documentation linked to in the answer, "To write a query that performs an outer join of tables A and B and returns all rows from A (a left outer join), use the LEFT [OUTER] JOIN syntax in the FROM clause, or apply the outer join operator (+) to all columns of B in the join condition in the WHERE clause. The syntax for the CASE statement in the WHERE clause is shown below. I have the segment of code belowIs the case statement correct, can we use it here? If you want to use case, then you need to return a value and do a comparison: (CASE order_date > sysdate and fee_rate_type in ('REGULAR', 'BONUS') then 1 order_date <= sysdate and FEE_RATE_TYPE in ('REGULAR') then 1 END) = 1 However, I would encourage you not to use case in a where clause. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. Hot Network Questions Building a Statistically Sound ML Model Why are Jersey and Guernsey not considered sovereign states? . Case when using IN clause. Modified 10 years, 8 months ago. Hot Network Questions Minimal pair /u/ and /ʊ/ Oracle Case in WHERE Clause with multiple conditions. Oracle Database 23c extended CASE expressions in PL/SQL to support dangling predicates in simple CASE expression. datrpapsa is null then 'no' else 'si' end as elaborato from dltopst a inner join requisiti b on In a [NOT] IN condition in a WHERE clause, if the right-hand side of the condition is a subquery, you cannot use LEVEL on the left-hand side of the condition. Hi ALL, Plseas suggest me How would I get the all rows if I pass ‘C’ select * from scott. Using two = signs in CASE statement? 0. My answer runs far afield of that, and gives an explanation as to why Oracle is balking at OP query (finding a condition where it expects a value and a value where it expects a condition. Ask Question Asked 7 years, 4 months ago. 1) LEFT JOIN the JOBS table and then use your CASE statement. I tried to put it in case statement but it didn't work. 7. Hot Network Questions Help identify this 1980's NON-LEGO NON-Duplo but larger than average brick? Short story about a city enclosed in an electromagnetic field Is it possible to symbolically solve this polynomial system of equations and inequalities with Mathematica? Yes. PL/SQL "Where" conditional "WHERE" clause. s_denominazione as profilolotto, a. Here's my queries, they don't work but I want to do something like this : SELECT a_field FROM a_table WHERE AND CASE WHEN a_value_from_another_query IS NULL THEN a_second_field IS NULL ELSE a_second_field = a_value_from_another_query END This works because this is a multi-value comparison IN list. Case in Where Clause. * ,D. You can definitely use case constructs in a where clause but you must know their purpose. Or you can slap the case expression directly in Try writing the where clause this way: WHERE (T2. You are missing smth - see IN after END Replace 'IN' with '=' sign for a single value. The CASE statement evaluates multiple conditions to produce a single value. Oracle query on time (and not date) 0. ADDRESS3 != ' ' or t2. Hot Network Questions Plasma Railgun Toroids Recently added bug to amsmath Would a middle ground between unit and integration tests be Rather than putting the data in a case statement where you might have to repeat that case statement in more than one query, you could create a table with static data, then joint to that table. By the way, it's better to use abbreviated names oracle where clause with case when. Hot Network Questions Both solutions works well. Hot Network Questions What do "messy" weapons do, exactly? I need help in a query using case statements in where clause. Note that Oracle SQL does not have BOOLEAN data type, so there is no such thing as "CASE condition" - which is I want to write a query - to cover a case :- where I want to check if any misc value present for a code_id (a input vairable) if not then use code_id as default value (i. You didn't tell us what the code is supposed to do, so I am not even going to read all of it (no way Example (from here):. Ask Question Asked 9 years, 6 months ago. EmployeePayHistory AS ph1 ON e. Use table aliases that are abbreviations for the table names. Depending on each weekday attribute in table ROUTINE a case statement should be used, that checks if r. For example: with sample_data as (select 'dog' pet, 'y' has_fur from dual union all select 'cat', 'y' from dual union all select For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. An alternative approach without this problem is this: DateTime on Where Clause Oracle. com. (My answer was addressed I'm interesting that how can I use if-then-else statement or any control structure in where clause in Oracle. I can think of a few ways to do this; there are a lot more. TUESDAY_YN = 1 then insert next 3 tuesdays, etc. So something like: case when then when then end = Is this answer out of date? If it is, please let us know via a Comment. case when then IN. Otherwise, Oracle returns null. I wrote this oracle procedure to return a rows of data. I have written the following query and in this condition i can't use in clasue. Case your column and your string identically. Oracle query case statement in the where clause. Upendra. T-SQL alias from CASE statement in SELECT clause not recognized in WHERE clause. I knew that we can use case in a select statement. SELECT (CASE WHEN t2. g. In the case, I will check if the Operator is equal, greater than or less than. In a searched CASE expression, Oracle searches from left to right until it finds an occurrence of condition that is true, and then returns return_expr. In this below query i want to check more than one values in CASEwat to do? SELECT column1, column2 FROM table1 WHERE columnX IN <case starts here>(CASE ( valuex = TRUE ) THEN (SELECT columnA FROM tableA where columnB = 'value') //here i want to chk 2 values like " ( 250,3 )" ELSE (SELECT columnA FROM tableA) END)<case ends here> Case construct with WHERE clause Hi Tom, I have a question and I don't know if this is possible or if i'm jsut doing something wrong because i get multiple errors like missing right paren, or missing keyword. If each case only allows one column, then you probably need two cases: select col1,col2, case when col3='E01089001' then (select 1 from dual) else (select 2 from dual) end, case when col3='E01089001' then (select 3 from dual) else (select 4 from dual) end from Table1 where col1='A0529'; For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. After all, 0 is a value which you want to treat as a different value, while NULL semantically makes more sense for specifying 'no filter'. Modified 13 years, 3 months ago. SELECT * FROM TABLE1 WHERE P1 IS NULL OR COL1 IN (SELECT ID FROM TABLE2); In general, the CASE/WHEN/END clause can be used only in the "projection" part of a SELECT; you need to use the "regular" boolean expressions In the WHERE clause. customer_id IS NULL; and when pcustomer_id IS NOT NULL then c. oracle procedure with case It depends It's generally better to use AND/OR constructions instead of case expressions in the WHERE clause. Below is my sql query for it. As you're checking whether the result of the case statement is the same as the ELSE clause then the statement is the same as the opposite of all other conditions. Oracle PL SQL CASE in WHERE clause. is possibile create a CASE in where clause, something as, So, i can write a single query, I am creating oracle report where if the user inputs true or false, the respective values should go to parameter. As well as if it is possible to nest a CASE-statement into the WHERE clause? Here is the logic of m SQL statements: I have seen some related topics, but they were not helpful. Viewed 17k times As an additional input, although it does not relate to this thread, you can also aggregate your case statements without mentioning it in the group by clause. But as you can't use like in the first version, you need the second: CASE WHEN CONTACTS. I'm trying to do it this way: SELECT A. Using case expression inside where clause. “CASE” statement within “WHERE” clause in SQL Server 2008; Nested case statements vs multiple criteria case statements; Case statement in WHERE clause in SQL Server I have a standard search clause whereby I'm selecting records on certain filters such as description and status, the status values being 101 to 110. I want to use as: when pcustomer_id IS NULL then WHERE c. Like procedure samp (pId number, pValue varchar, details out T_cursor) is begin Open details for Select id, No,Name from tbl1 where. user580970 Mar 11 2010 — edited Mar 11 2010. IN statement from CASE result inside Where clause Oracle. Because of this, the optimizer will just use a table case can help sometimes (when you want to enforce a specific order of evaluation of logical conditions), but it must be written carefully. Basically what i am trying to do is if the start day is Saturday and the end day is Sunday, then add 10080(one week) to the end offset/vend offset and if it does not meet that condition, then use the original values. I'm trying to do this in SQL: declare @locationType varchar(50); declare @locationID int; SELECT column1, column2 FROM viewWhatever WHERE CASE @locationType WHEN 'location' THEN account_location = @locationID WHEN 'area' THEN xxx_location_area = @locationID WHEN Summary: in this tutorial, you will learn how to use the Oracle WHERE clause to specify a condition for filtering rows returned by a query. vehicle_given = 'YES' THEN d2. I have I think you should be able to get by with an or statement in your case clause. You need to establish some condition such that the value returned by the CASE statement can be evaluated. where sale. The query has case construction in where clause. Using IN() within a CASE statement in Oracle APEX SQL. depending on one of the input parameter. Using Case statement in Where clause in Oracle SQL. The examples below will show how this is done. SQL "case when" query. 7 WHEN 'C+' THEN 2. Check out this post for AppDev or this post for AI focus group information. The ordered_predicates hint is specified in the Oracle WHERE clause of a query and is used to specify the order in which Boolean predicates should be evaluated. Case on where clause ORACLE. Oracle Database uses short-circuit For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. Thank you! using CASE in where clause. Please help me with this select distinct structure_name from Test_COA_LEGACY In my WHERE Clause IS the AND F. And I'm assuming that you don't really want to join A to B and then generate a Cartesian product with C. NEXT_DATE = V_NEXT_BUSINESS_DATE OR F. 7 when 'b+' then 3. Am getting exception like this please help to find the wrong thing. Oracle doesn't treat Boolean expressions like other expressions — it handles them as syntax rather than as a type — so CASE expressions can't evaluate to Booleans. Thank you! Using Case Statement in Where Clause. vehicle_id. status. In your case (assuming else -1 means 'no match') : AND g = CASE strfldvar WHEN 'BROKEN_ARROW' THEN x WHEN 'BROKEN_BOX' THEN y ELSE NULL -- never match, even if g is null END A case expression returns a value of any datatype except for boolean that could be compared to another value. Oracle: Using Case Statement in Where Clause. rating < p_rating, correspondingly in the SQL. Hi. SQL/PLSQL Oracle query: CASE in WHERE statement. Hot Network Questions Is a 考え物 *always* a bad idea? How does a programmer ever produce original code if anything they produce is considered derivative because they viewed similar source code? Can we pronounce the word "English" without the /g/ sound? In the case of the query you posted, it doesn't look like the order of evaluation will change the logic in any way, so I guess what you are thinking about is efficiency. something like select . Thank you! Can we use case statements in where clause ?? Any example will be great! And also i would like to know, besides CASE and DECODE statements, Is there any But i would like to use the decode on the whare clause. Using SELECT inside COALESCE. If you aren't familiar with APEX, it uses low-code to produce a front-end page that is data driven; this case uses a dropdown to select from a list, and I'm comparing that list selection to values pulled from my database. rating > p_rating or b. Hello All, I wish to conditionally use different columns for retrieving This is working Oracle example but it should work in MySQL too. Bhavin Mamtora Jan 16 2015 — edited Jan 16 2015. SQL Query in Oracle where clause. Use of CASE inside where clause. Hi, is it generally not For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. vehicle_id = d1. WHERE ta. BusinessEntityID GROUP BY JobTitle HAVING (MAX(CASE WHEN Gender = 'M' THEN ph1. You just need to make both comparisons in the same case statement: and dep_dt = case when to_char( SysDate, 'D' ) <> '2' and dep_dt <= SysDate then dep_dt else SysDate end Here is the query that you can use. SELECT WORK_ORDER_NUMBER, SUM(CASE WHEN STOCK_CODE LIKE 'xxxx' THEN STOCK_QUANTITY ELSE 0 END) AS TOTAL FROM Table GROUP BY WORK_ORDER_NUMBER; No, you can't refer to the alias elsewhere in the same level of select, other than in the order by clause, because of when Oracle assigns it internally. COMPARE_TYPE <> 'A' AND T1. Oracle Case in WHERE Clause with multiple conditions. vehicle_id = CASE WHEN d1. The below is my sample query: 1 SELECT * FROM dual 2 WHERE (1 =1) 3 AND (SYSDATE+1 > SYSDATE) 4 AND (30 > 40) 5 AND (25 < 35); Oracle - Case in where clause. if :P21_TYPEID value is 1 then in where clause it should be PARENTID_1 in (10,11) otherwise PARENTID_1 = :P21_TYPEID. id(+) AND b. customer_id = pcustomer_id. select * from cardimport where STATUS = CASE WHEN STATUS = '' THEN 'F' ELSE STATUS END If you use a CASE expression such as: AND d1. However, Oracle complains that next to the equal sign, there is a "missing keyword". How do I use in clause while using case when statement in where clause? 1. Commented Dec 20, 2019 at 8:37. So, in the first usage, I check the value of status_flag, returning 'A', 'T' or null depending on what it's value is, and compare that to t. Ignore some conditions in 'case' statement. CASE statement is only valid in PL/SQL; plain SQL does not have CASE statements, only CASE expressions. Moreover, case and where are two different things. Actually I am passing a value in a procedure according to the value i have to select fields in where clause. See the syntax and examples of simple and searched CASE expressions in SELECT, UPDATE, and WHERE clauses. For older versions use: SELECT * FROM ( SELECT * FROM t_config_rule WHERE rule = 'IND' OR rule IS NULL ORDER BY rule NULLS LAST ) WHERE ROWNUM = 1; or number the rows with ROW_NUMBER and keep the first row: SELECT * FROM ( SELECT r. Can You Use An SQL CASE within CASE? Yes, you can use a CASE within CASE in SQL. Technical questions should be asked in the appropriate category. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE According to my Scenario, I did "use CASE statement in WHERE IN clause" like following @AdjType varchar(20) = 'Value', @Base varchar(20) = 'Common' where (select CASE WHEN SA. Oracle SQL case condition involving one column but changing another. Can I Use DECODE Instead Of CASE? Oracle has a function called DECODE, which lets you check an expression Oracle - Case in where clause. emp WHERE (CASE WHEN job = 'MANAGER' THEN '1' WHEN job = 'CLERK' THEN '2' ELSE '0' END) IN (1, 2) What is the data type of reportDate?It may be DATE or VARCHAR2 and there is no way to know by just looking at it. How to put Case in Where Statement for Oracle SQL. For example, the following statement is not valid: SELECT employee_id, last_name FROM employees WHERE (employee_id, Oracle - Case in where clause. 4. TELEPHONE_NO_DAY LIKE '07%' THEN The value in the field is "12-JAN-12 09. if user inputs All, then both true and false should go to parameters. Case expression in where clause in Oracle. In almost all databases, it comes down to "the optimizer understands boolean expressions". Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Oracle - Case in where clause. SELECT * FROM a, b WHERE a. NEXT_DATE IS NULL; can be written in another way I mean since It is using both AND and OR Operators on the same column . I want to use the CASE construct after a WHERE clause to build an expression. How to use a variable/Parameter with an IN clause in ORACLE SQL. That query works, but now i want to filter on the column organisations. Viewed 14k times 0 I know i could probably accomplish this by easily putting two whole statements in a CASE statement itself, but i'm new to SQL and trying to learn to write this the most efficient and intelligent way without There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. Thanks! – Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. estado = 'RJ' AND ( m_reaplicacao = 'T' OR (m_reaplicacao = 'S' AND ta. ADDRESS1, 1, 30) END) Share. with tmp as ( select 'Oracle' as field_name , 1 as data from dual union all select 'Oracle' as field_name , null as data from dual union all select NULL as field_name , null as data from dual union all select 'Test' as field_name , null as data from dual ) Select * from tmp Where 1 = case when field_name = 'Oracle' and data is null then I'm on oracle 10gr2. When I try to use it, oracle throws the error: ORA-00904: invalid identifier. Hot Network Questions Two columns tables Confusion regarding the US notion related to Pakistan's missile program PSE Advent Calendar 2024 (Day 20): Holly Factorization of The FETCH FIRST clause is available only as of Oracle 12c, though. PL/SQL Using CASE in WHERE clause. case statement in where clause with in values oracle sql. Case will not conditionally chose the evaluated code. case when 'IN' clause : help. I am trying to write a "case" statement inside a "where clause" which has an "in" statement in the "then" part. Oracle SQL where clause against a timestamp column. How to use case statement inside where clause in oracle? 1. If none of the conditions are true, it returns the Oracle PL SQL CASE in WHERE clause. * ,(CASE WHEN (A. Tried a whole host of methods using STRAGG and in-list functions but kept running into limitations Thanks for showing how I can do dynamic where clauses without using pl/sql. Hi All, I'm on oracle 10gr2. IsDependOnBasicSalary = 0 THEN 'Common' To keep it simple I would go for union clause in this case, so you can have your where clause as complex as you need. Here my code DECLARE Oracle PL SQL CASE in WHERE clause. Passing multiple parametes in Where-In SQL- Oracle. Rajnish Chauhan Jun 7 2016 — edited Jun 8 2016. for example. Oracle case inside where clause. e OTH). dept_id. As you can see i am unsure as to how to handle the case statement inside of the where clause. If a passenger owns more than one piece of luggage, there will be more than one element in the bagInfo array. Oracle (SQL Statements) - Using CASE with WHERE CLAUSE. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Here are the terms defining the case expression, specifically the general case expression you're using: case_expression ::= general_case_expression | simple_case_expression | coalesce_expression | nullif_expression; general_case_expression ::= CASE when_clause {when_clause}* ELSE scalar_expression END To elaborate on @tvm, you have a clause which is basically WHEN value THEN boolean which isn't allowed in Oracle. Conditional Where? 0. BEGIN CASE TO_CHAR(SYSDATE, 'DAY', 'NLS_DATE_LANGUAGE=ENGLISH') WHEN 'MONDAY' THEN And you could use if I had played around with using the CASE statement in the where clause to sql more dynamic but had also run into the same problem with needing multiple values returned for the in. I have a table with the below data, SELECT DEPT_NO, DEPT_NAME FROM SORTNG_LOGIC; DEPT_NO DEPT_NAME ----- ----- 1 FINANCE 2 ACCOUNT 3 HUMAN RESOURCE 4 AUDIT 5 TRAINING Oracle - Case in where clause. I want to use the This is a simple question, I've read some details about using CASE in WHERE clause, but couldn't able to make a clear idea how to use it. The bagInfo array holds the information on all the luggage owned by a passenger. select * from student where (cast (nvl(linerevnum,'0') as int)) = 1 liner Edit: I actually need solutions for both Oracle and SQL Server. – xQbert. ; How can I do it? Incidentally, if you were only using the l_tdoay_date value once - and didn't have the dbms_output debugging call at the end - you wouldn't need that variable; you can use case with the function call:. 7 WHEN 'B+' THEN 3. Oracle does not need to materialize inner queries before applying outer conditions -- Oracle will consider transforming this query internally and push the predicate down into the inner query and will do so if it is cost effective. There is no true or false SQL keyword, for sure, but 'a' = 'a' evaluates to a boolean value, without the use of Y/N or 0/1. emp You can do the same thing using Oracle's syntax as well but it gets a bit hinkey. name IN ('Accounts','IT','Finance') THEN 1. Case in where clause. Setting Condition in Case Statement. In addition: Don't use commas in the from clause. asked But, there are no other criteria in the WHERE clause so, with a case-insensitive index on (lastname, firstname), SELECT * FROM tabela WHERE 'OK' = CASE WHEN 1 = :parametro and coluna = 1 then 'OK' WHEN 0 = :parametro and coluna in (2, 3) THEN 'OK' END Share Improve this answer THEN pairs meet this condition, and an ELSE clause exists, then Oracle returns else_expr. Please ask technical questions in the appropriate category. if seems like you just want to format the date Your not actually comparing the end date to anything which is where you're missing something (it is expecting there result of your case statement to be compared to something) Gurus, Im trying to avoid unioning multiple select statements by utilizing a CASE inside a WHERE clause. Oracle implemented this multi-value comparison IN list with a limit of < 100,000 rather than the 1,000 in the normal IN list. Case statement in where clause oracle. 06. Do they mean the same? For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. type_id = 27) end But I am getting the following error: ORA-00907: missing right parenthesis. – Ishamael Commented Oct 16, 2012 at 23:08 I am trying to execute a query in Oracle database. Hot Network Questions What should machining (turning, milling, grinding) in space look like The hot chocolate is calling me vs calling my name. Hot Network Questions The problem is likely the comparison to NULL, as explained in David Spillett's answer above. Thank you! Interested in getting your voice heard by members of the Developer Marketing team at Oracle? Check out this post for AppDev or this post for AI focus group There are valid uses of a CASE in a WHERE clause, especially to force Oracle to run one predicate before another (eg check a string only contains digits before doing a TO_NUMBER on it ) – Gary Myers. But I am not able to use it in the where clause. Improve this question. IF TO_CHAR(:DATEINPUT, 'DAY') = 'SATURDAY' THEN WHERE . totrkd as totalerecord, case when a. Using if condition in the Select statement. Oracle Where Case. Passing procedure arguments to SELECT INTO where clause not working. COURSE_SCHEDULED_ID WHEN IS NULL THEN which will throw "ORA-00936: missing expression" because IS NULL is a condition, not a value or expression. The CASE expression matches the condition and returns the value of the first THEN clause. Hot Network Questions What's a modern term for sucker or sap? Interval Placement How to achieve infinite rage? How to keep meat in a dungeon fresh, preserved, and hot? Does a USB-C male to USB-A female adapter draw power with no connected device or cable in the USB-A female end? E. Run describe table_name (where table_name is the name of the table that contains this column) and see what it says. 3 when 'b' then 3 when 'b-' WHERE e. Thank you! I want to use case statement in where clause. You can express this as simple conditions. SOME_TYPE NOT LIKE You need do to the comparison outside the whole case statement. idlotto as idlotto, b. Is it possible to use between operator within a CASE statement within a WHERE Clause ? For example in the code below, the condition should be pydate between (sysdate-12) and (sysdate-2) if its a monday and pydate between How to use Oracle's decode function in where clause. how to correctly use case in where clause. Hot Network Questions Question about sentence in 五柳先生傳 Since web search for Oracle case tops to that link, I add here for case statement, though not answer to the question asked about case expression: Using Case When Clause in Where Clause. Allan, this is exactly what I needed. CASE WHEN <condition> THEN <return expression> These are the 'simple' and 'searched' variants in the docs. If budgpost is really a character column as is stated, then we have to assume that a non-numeric value might make its way into one of the In clauses. In your case, I think the clearest code is if you just rewrite it a bit: CASE Statement in the WHERE Clause. 3. IsPersentage = 1 THEN 'Presentage' END) Like @AdjType and (Select CASE WHEN SA. COLUMN1 = D. WHEN p_dept_name != 'All' AND d. The searched CASE expression allows multiple comparisons using multiple variables. SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' ELSE 'The owner is another value' END FROM all_tables; Oracle - Case in where clause. Both perform good. When the parameter is defined as 'New Items' it should utilize one code and for 'Updated Items' another condition. Oracle and DateTime math. 7 Example. Hello Tom Is it possible to change the where condition (using case statement) based on certain variable? For example var T varchar2(1) exec :T := 'E'; var E number; exec :E := 7788; var N varchar2(20) exec :N := 'MILLER'; select empno, ename from emp where -- how to use case statement to vary the condition based on :T -- if :T = 'E' then the condition should be As Dave Costa points out in the comment below, this will prevent Oracle from using the index of the column TIME_CREATED if it exists. The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. 1. The problem you have is that you are trying to force it to return a BOOLEAN value. In you first version you have. create or replace procedure sp_s_dettagliolotti ( datainizio in varchar2, datafine in varchar2, codiceprofilo in number, dett_lotti out sys_refcursor ) as begin open dett_lotti for select a. Case expression inside a where clause - Oracle. Introduction to Oracle WHERE clause. See my edit. tzwkua zcrkqv zufiqw rhlduz jjiw iqn xera zzq ttfk hjpw