Oracle case in where clause. 7 WHEN 'F' THEN 0 ELSE .

Oracle case in where clause ColumnName != '' is equivalent to e. x. 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. 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. 3 WHEN 'D' THEN 1 WHEN 'D-' THEN 0. Jan 17, 2020 · Is it possible to change the where condition (using case statement) based on certain variable? For example May 16, 2017 · Never forget that in Oracle SQL the '' literal (empty string) is the same as NULL, hence your predicate e. rating < p_rating, correspondingly in the SQL. Hot Network Questions Why am I not seeing continuity between MC cable sheathing and ground wires? Jul 26, 2020 · Oracle case inside where clause. status. SQL "case when" query. SQL SELECT WHERE field contains words. 2. If none of the conditions are true, it returns the value of the ELSE clause. 7 WHEN 'F' THEN 0 ELSE Mar 14, 2013 · The CASE statement evaluates multiple conditions to produce a single value. 3 WHEN 'B' THEN 3 WHEN 'B-' THEN 2. 3. 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. Problem using multiple CASE in WHERE clause. Oracle Database uses short-circuit 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. No, Oracle can't use boolean expressions as results from functions. Both formats support an optional ELSE clause. I want to use the CASE construct after a WHERE clause to build an expression. TUESDAY_YN = 1 then insert next 3 tuesdays, etc. 7 WHEN 'B+' THEN 3. insert_date Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. state_cd in (:stateCode)) then 1 else 0) end = 1; Alternatively, remove the case entirely: Dec 7, 2023 · How to use CASE in the WHERE clause. 3. 0. Oct 29, 2013 · How to convert string field and use for Where clause. Because of this, the optimizer will just use a table Jun 30, 2016 · 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. In your case, I think the clearest code is if you just rewrite it a bit: May 22, 2021 · Yes. Ask Question Asked 10 years, 8 months ago. Create Procedure( aSRCHLOGIC IN Varchar, aPARTSTRP IN VarChar ) Declare sLogic VARCHAR(100) := aSRCHLOGIC; sPartStrp VARCHAR(100); BEGIN SELECT * FROM parts p WHERE ( Case sLogic WHEN (sLogic = 'begins') THEN (p. Case expression in where clause PL/SQL. 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 Oct 10, 2008 · hello all, Is that possible a case in a where clause? i'm using oracle10g and toad v9. The searched CASE expression allows multiple comparisons using multiple variables. I gather what you want is logic along the lines of: - If ass_line = '551F', then match any values for assembly line in ('551F','551C','551S') Try writing the where clause this way: WHERE (T2. The Oracle case expression is one place in Oracle SQL where Boolean values are used (as conditions, not results), similar to where clause conditions. If it's the 20th or less (e. dimension) end as total_dimension, d. 7 WHEN 'D+' THEN 1. Feb 1, 2018 · The FETCH FIRST clause is available only as of Oracle 12c, though. You can write the where clause as: where (case when (:stateCode = '') then (1) when (:stateCode != '') and (vw. 05, 2) -- CPU WHEN 2 THEN ROUND (List_price * 0. Jun 26, 2023 · The CASE statement in the WHERE clause can conditionally filter rows based on defined criteria. I have the following where clause,,whenre I need to use case for one of the filtering condition in the where clause. 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; Jan 7, 2014 · Case on where clause ORACLE. 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. Using SELECT inside COALESCE. IssuedTo='BO' AND LBT. May 5, 2015 · 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. The following query uses the CASE expression to calculate the discount for each product category i. something like select MISC_FLAGS from systemcode where rec_type = 'C' and code_type = 'SAN' and CODE_ID = 'HT'; Since web search for Oracle case tops to that link, I add here for case statement, Using Case When Clause in Where Clause. Modified 10 years, 8 months ago. id_file) as attachments_count, case when sum (f. 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) Sep 10, 2021 · 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: Oct 2, 2018 · (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. ACCOUNT = 545 AND A. Introduction to Oracle WHERE clause. 7 WHEN 'C+' THEN 2. In almost all databases, it comes down to "the optimizer understands boolean expressions". com. Moreover, your query would have never returned rows with department - "Accounts or Unknown" because of the filter Department="SALES" Try below instead, that will be easy to be fetched by Engine : Feb 6, 2012 · Case on where clause ORACLE. GRP_ID = CASE ? WHEN 0 THEN A. partnum LIKE sPartStrp||'%') For example, you can use the CASE expression in statements such as SELECT, UPDATE, or DELETE, and in clauses like SELECT, WHERE, HAVING, and ORDDER BY. 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 0 else 1 end Dec 4, 2013 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. 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. If so, then use b. if the flag is Yes then i want all the id where the column name is not null. 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. Otherwise Jul 22, 2021 · 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. SELECT count(*) FROM userTable WHERE ( CASE WHEN mac IS NULL THEN mac IS NULL ELSE mac = '000fe95erd32' END ) your clause is not well good. LIBRARYTRANSID THEN 1 when LBT. Apr 2, 2020 · 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. 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. "2/7/2020") then I want the date range for January. ex: select * from table WHERE 1 = CASE WHEN channel = 1 AND REGEXP_LIKE Feb 21, 2012 · CASE() is basically a translator: it returns a value for a given set of conditions. Oct 17, 2012 · But i would like to use the decode on the whare clause. 1. Otherwise, Oracle returns null. 1022. SELECT product_name, list_price, CASE category_id WHEN 1 THEN ROUND (list_price * 0. LIBRARYTRANSID THEN 1 WHEN LBT. . Then filter it in the outer query. Mar 21, 2012 · As you can see i am unsure as to how to handle the case statement inside of the where clause. The CASE expression matches the condition and returns the value of the first THEN clause. The syntax for the CASE statement in the WHERE clause is shown below. Oct 9, 2013 · select * from Tran_LibraryBooksTrans LBT left join Tran_LibraryIssuedBooks LIB ON case WHEN LBT. Mar 13, 2015 · 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. 13. Depending on each weekday attribute in table ROUTINE a case statement should be used, that checks if r. SOME_TYPE LIKE 'NOTHING%') OR (T2. 3 WHEN 'C' THEN 2 WHEN 'C-' THEN 1. e OTH). 31. I need to check a value from a parameter, and depending on it, apply the right clause. Ask Question Asked 7 years, Your format is probably mm-dd-yy in this case. Oracle (SQL Statements) - Using CASE with WHERE CLAUSE. Jun 8, 2016 · Good day Stackoverflow! I have a query that is giving me an error: "Missing Right Parenthesis", at least, so says SQL Developer. – MarkF. Viewed 14k times 0 I know i could probably accomplish Jul 11, 2016 · Oracle SQL CASE expression in WHERE clause only when conditions are met. Or you can slap the case expression directly in the where clause, like so: Oct 20, 2016 · The equals/in has to go after the end of the case. GRP_ID ELSE ? END And Decode works in a similar fashion, although I think it's less readable. CASE WHEN <condition> THEN <return expression> your query is malformed. You can express this as simple conditions. Here my code DECLARE CURSOR cur_contact_without_media (pP Oct 13, 2010 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. you can do it differently like this : Feb 26, 2016 · The problem is that Oracle evaluates the SELECT after the WHERE clause. rating = p_rating or b. MONDAY_YN = 1 then insert the next 3 mondays, if r. LIBRARYTRANSID THEN 1 ELSE 0 END`enter code here`select * from Tran_LibraryBooksTrans LBT left join Tran 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. – Ishamael Commented Oct 16, 2012 at 23:08 Oct 25, 2016 · Oracle Case in WHERE Clause with multiple conditions. CASE expressions require that they be evaluated in the order that they are defined. Second problem is that you are trying output a boolean value from your CASE. May 2, 2018 · 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 Aug 17, 2010 · Hi All, I'm on oracle 10gr2. oracle where clause with case when. The problem you have is that you are trying to force it to return a BOOLEAN value. As your answer (correctly) points out, OP doesn't need a CASE expression in the WHERE clause. create or replace force view v_documents_list ( id_doc, attachments_count, total_dimension, insert_date, id_state, state, id_institute, institute, hasjob ) as select d. 0. rating > p_rating or b. – Jeffrey Kemp Sep 9, 2011 · 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. Instead, you need to create logical groupings of OR/AND to combine the BETWEEN with the other matching condition from your case. I do the same for the business_unit column with a second CASE statement. I knew that we can use case in a select statement. 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. Case Statement on Multiple conditions in Oracle. See Oracle docs Searched case expression vs case expression. case when @Aleksej: OP should select the answer that best suited his needs. ColumnName != null which always evaluates to NULL. Hot Network Questions Cookie cutter argument for nonphysicalism Jul 11, 2013 · 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. 0). “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 Feb 9, 2024 · Oracle - Case in where clause. Oracle PL SQL CASE in WHERE clause. for example. Sep 1, 2017 · I wrote this oracle procedure to return a rows of data. Status may be null, if so I return records of any Jun 8, 2015 · You can use a case: SELECT (columns list) FROM AGREEMENT A WHERE A. How to write a case statement in the Where clause of Oracle SQL? Feb 20, 2013 · Since COL1 IN (COL1) is the same as true, you can rewrite your query like this:. dimension) is null then 0 else sum (f. Mar 27, 2012 · For appeals, questions and feedback about Oracle Forums, please email oracle-forums-moderators_us@oracle. plsql conditional where clause. depending on one of the input parameter. select * from student where (cast (nvl(linerevnum,'0') as int)) = 1 liner Otherwise, Oracle returns null. To match these requirements I tried to make use of the SELECT CASE WHEN clause in the SQL statement as follows: Feb 2, 2017 · They are different uses of a case statement. e. The WHERE clause specifies a search condition for rows returned by the SELECT statement. SOME_TYPE NOT LIKE 'NOTHING%') Share Apr 24, 2007 · I want to use the CASE construct after a WHERE clause to build an expression. 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 Feb 24, 2020 · For the query below, I'm trying to pull a specific date range depending on the current day of the month. COMPARE_TYPE = 'A' AND T1. In the case, I will check if the Operator is equal, greater than or less than. This is because CASE is designed to return a value, rather than to dynamically construct the SQL inside it. The following illustrates the syntax of the WHERE clause: Nov 20, 2015 · i'm using the following query to create a view in oracle 11g (11. 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 Aug 7, 2018 · CASE <expression> WHEN <comparison expression> THEN <return expression> … or. – Jan 29, 2014 · 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. WHERE Clause in 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. LIBRARYTRANSID=LIB. 08, 2) -- other categories END discount FROM products Jan 14, 2016 · Oracle tries to filter the number of records to be scanned from table by going for the where clause first before select that is why your query fails. g. IssuedTo='SN' AND LBT. Aug 4, 2017 · Oracle timestamp with timezone in where clause issue. Technical questions should be asked in the appropriate category. Case your column and your string identically. Dynamic Column on SQL doesn't work (APEX,Interactive Report) Hot Network Questions Jun 16, 2017 · Here is a correct way to use CASE in the WHERE clause. If no condition is found to be true, and an ELSE clause exists, then Oracle returns else_expr. using case when then variable allows you to use complex/compound conditions that case when doesn't. NAME Like 'IgNoReCaSe' If I would like, that the query would return either "IGNORECASE Mar 22, 2011 · There are 3 main ways to perform a case-insensitive search in Oracle without using full-text indexes. Oracle CASE expression has two formats: the simple CASE expression and the searched CASE expression. Am getting exception like this please help to find the wrong thing. Jan 17, 2020 · 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 where empno = :E -- and if :T Nov 30, 2021 · 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. This won't work because BOOLEAN is not a valid SQL data type. Oracle Case in WHERE Clause with multiple conditions. If you want to find all the exam results with A or B grades, you can place the select above in a subquery. Using CASE in WHERE clause in Oracle 12c. Feb 12, 2014 · You can apply the logic you are attempting, but it is done without the CASE. IssuedTo='SM' AND LBT. , CPU 5%, video card 10%, and other product categories 8%. The below is my sample query: 1 SELECT * FROM dual 2 Oct 30, 2017 · Here is the query that you can use. There is a major, major difference between using a CASE expression and boolean expressions in the 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 Oct 25, 2017 · I'm trying to avoid dynamic sql. COMPARE_TYPE <> 'A' AND T1. My query has a CASE statement within the WHERE clause that takes a Jan 3, 2014 · 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. 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. id_doc, count (f. Create Procedure( aSRCHLOGI Nov 28, 2014 · 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 Jun 23, 2009 · As I had written in title, I have SQL query, run on Oracle DB, lets say: SELECT * FROM TABLE WHERE TABLE. 1, 2) -- Video Card ELSE ROUND (list_price * 0. tqukczi bem wncpo rqv qxhvef obabw rhuzj makk cbzxmm rzedoynng