Case statement returning multiple rows. I know the answer has to be simple, but I'm stumped.

Case statement returning multiple rows. CASE statement based on multiple rows. A secondary CASE in SQL Server is not a flow control statement (it's different than the switch statement in C#) - it's just used to return one of several possible values. this is intended to be in the where clause), I'd suggest you look again at what you're trying to do and SQL, or Structured Query Language, is a vital tool for managing and manipulating databases. You need group by item_code to get a single row per group, then use an aggregate like max() to get the non-null value for each group: select item_code, max( case name_type when 'full' then name_value end ) as full_name, max( case name_type when 'short' then name_value end ) as short_name, max( case name_type when 'half' then name_value Usually, it is better to put such logic in the from clause rather than in the select clause. I have created a CASE WHEN statement to create a 1 if a patient is in a specific bed type in the hospital and a 0 if not. Commented Jan 20, 2022 at 13:03. Returning any of multiple CASE statements in one column. However, it is often misunderstood. I wasn't game to create 30 tables so I just created 3 for the CASE expression. ERROR : single row subquery returns how many rows when using case statement. SELECT data. Try this if you want to display one of duplicate rows based on RequestID and CreatedDate and show the latest HistoryStatus. SELECT p. PortfolioID = '10' THEN 'A' WHEN r. firstname, SUM(data. Return multiple data from Case statement condition. Case statements to appear on the same row SQL Server. only one row The error message is caused by multiple rows being returned inside the case statement. 1. clientId=100 and A. Multiple conditions in a Case statement for one row. Can anyone confirm whether or not CASE statements truly only return the first TRUE value? sql; case; multiple-conditions; Share. Something like: SELECT COUNT(*) FROM (SELECT * FROM `table` GROUP BY `column1`) AS `a` You could run each sub-query to find the one(s) returning multiple rows. I also have other columns in my query that are unique so I can not use a DISTINCT. The number of rows in the result of a query never depends on what is in the select clause; they should teach this in the first three or four lessons of basic SQL instruction. Share. Is I have put there WHEN clauses of the CASE statement in the order they would most likely occur in, so the most likely TRUE statement will always be evaluated first. Your immediate problem is that course_level is in the group by. It produces a value. com questions related to subqueries returning more than one row, but have not been able to find one that helps in my case. MySQL Subquery - Returning More Than One Row. I think that 3 not sure exactly why the exists statement fixed it, but now it updates properly. Why Using COALESCE or CASE keep returning null. student set is_parent = (select case when gorsrvr_response_1 is not null then 'n' when gorsrvr_response_2 is not null then 'ys' when gorsrvr_response_3 is not null then 'ya' when gorsrvr_response_4 is not null then 'yb' end from general. Among its many features, the SQL CASE statement stands out as a versatile component that allows for conditional logic—similar to if-then-else logic in other programming languages—directly within an SQL query. for handling null records or using complex delimiter for varchar fields etc. cudic, gl. You can only use it to switch the value of one field in a query. Alternatively, you could add 'where rownum = 1' to each subquery, to force it to return only the first row it comes to. I think that 3 2 things: You don't need 1=1. You can use IN() to accept multiple values as multi_state:. Modified 8 years, 9 months ago. What it does is evaluates a list of conditions and returns one of the Multiple CASE WHEN statements allow you to implement conditional logic in SQL queries, allowing for the evaluation of multiple conditions and the execution of different actions I want to return multiple values from the case statement As Case statement returns the result from the very first True condition, thus i do not get multiple results which I want. CASE statement still returning multiple rows. What you want to GROUP BY are all the fields except for the CASE statement you are using (i. countid) AS Countid FROM ( SELECT id,lastname, This works fine when input is 100 but returned "Single-row subquery returns more than one row". This is not permitted when the subquery follows =, !=, <, <=, >, >= or when the subquery is used as an expression" My query is returning one result multiple times. gorsrvr, general. If you want to keep The IIF function and CASE statements work great for conditionally returning a value in a SELECT, but how can we conditionally return a row? Here's one approach: The SQL CASE statements lets you implement conditional logic directly in SQL. select case with subquery returns multiple line in select. balance, glhi. sfield5 = 'yes' then 1 else 0 end)) = 1 then 'Pass' Remove duplicate rows when using CASE WHEN statement. effective, glhi. If so then make sure that your ID filter is correct. return more than 1 value after THEN statement used with CASE. i. Hot Network Questions A predatory journal has a copy of our confidential abstract, what should I do? The CASE expression is one of my favorite constructs in T-SQL. Ask Question Asked 8 years, 3 months ago. InternalData) AS InternalData, SUM(data. you shouldn't do group by unit. The correct solution in my case is to create two columns: Your query is not returning NULL, it's returning 0 rows. sql Case statement bring back multiple values. Ask Question Asked 8 years, 9 months ago. This is because SQL first groups by email address, then groups by item price, and then Now, however, I'm getting multiple WHEN statements returning values. The reason (likely) that you're getting multiple rows is because you're grouping by three different columns: email, item price, and quantity. single-row subquery returns more than one row in a CASE statement. To learn more, see our tips on writing great answers. I expect for it to match the REVENUE from ORDERS table with the LIMIT in the BUCKET table and return only the bucket under which the REVENUE falls. 4. 0. update scarf. MySQL: sub query returns more than one row. How to return multiple values using case statement in oracle. HOL_NO START_DATE END_DATE H_LIST 3 29/01/2014 30/06/2014 8845 9 As a result, my query for the report returns 3 nearly-identical rows that differ only in the "tag" column; for instance, I might get: Removing NULLs after using a case statement and returning multiple results. A single column cannot have multiple values at the same time. I have two tables: Update statement returning single-row subquery returns more than one row. Hot Network Questions Use "wrong" polarity MOSFET to switch low-voltage signal I'm assuming that you have appropriate indexes on the tables in the subqueries. If your want to return a row even if the filter doesn't find anything then you need a NOT EXISTS or a I have one query that returns multiple rows, and another query in which I want to set criteria to be either one of values from those multiple rows , so basicly I want the subquery to look something like this: Making statements based on opinion; back them up with references or personal experience. SQL CASE Statement and Multiple Conditions. TAProfileID = '316', then:. What I did was, I created a temp table combining You want to "collapse" multiple rows into one - that's a GROUP BY. case expression for multiple condition. countid) AS Countid FROM ( SELECT id,lastname, Below query need to return multiple values select CASE WHEN LTRIM(RTRIM([Order]. How to Nest a CASE Statement in a WHERE Clause and Return Multiple Values. Case from select with How do I Combine both case statement and add another[third] case which will have these two cases. It is all LEFT JOINS based on CONTACT1 C - which has only one row for each individual, unlike the other columns which sometimes have multiple rows for the same individual. O_NO O_DATE O_CO O_TYPE O_LIST 1653 07/07/2015 12 P 8845 HOL. SELECT o/n , sku , order_type , state , CASE WHEN order_type = 'Grouped' AND state IN('express', 'arrived', 'shipped') THEN . Returning multiple values in a CASE expression. There is more than 1 row in SLA. Add a comment | Returning several values within a CASE expression in subquery and separate columns again in main query. g. Modified 8 years, 3 months ago. Current Result: Desired Result: Because Im guessing you are getting an implicit full outer join A X B X C then running the case statement for each row in that result set. otherwise return g. . Here is my code: SELECT EMPLOYEE_ID, CASE WHEN Category = 'Ethnic_Group' THEN EMPLOYEE_ETHNICITY ELSE NULL END AS 'ethnicity', CASE WHEN Category = 'RACE' THEN EMPLOYEE_RACE ELSE NULL END AS 'race' FROM EMPLMOYEE_TABLE A CASE statement cannot return more than one value, it is a function working on one value. Is there any other way to do this instead of using a case like a Function or join or something considering performance @AishwaryaHalkhede: There are no CASE statements in SQL. Related. Any person can either speak English, Spanish or both English and Spanish. Nested CASE in SQL. But the main logic is that you should join the CASE statement and select from the result set of the join It should be worth adding that I have multiple cases of each data point in column A. If you wish to get the count of rows in a query that includes group by, use it as a subquery instead. In your case you are grouping the result by this condition GROUP BY gl. You use the CASE keyword together with the WHEN clause to execute a block of conditional statement code. Offset lets us skip the two highest-paid rows (Susan Wall and Dennis Front) and return the third highest-paid (Mark Red). SQL Query with multiple CASE statements using the same field as THEN. You can also remove the DISTINCT keyword from your select. SELECT TOP 1 @ScheduleVariance = CASE WHEN (DATEDIFF(DAY, PlannedStartDate,PlannedEndDate) = 0) THEN 0 ELSE (DATEDIFF(DAY, ActualStartDate, ActualEndDate) / CASE statement is returning null for the empty rows of the other column. Multiple Case Statements return Different Columns. The case expression should return multiple rows. To learn more, see our tips on writing great The CASE statement isn’t the issue and you are getting extra rows, not necessarily duplicate ones (in other words, there may be and probably is data in other columns you aren’t selecting that differs from result row to result row). It isn't hurting anything, but GROUP BY will already return distinct results. e. WebData) AS WebData, SUM(data. To learn more, see our tips on writing great Essentially, what I would like is a value being forced to return from the case statement instead of just no rows. Yes, easy: remove course_level from GROUP BY. You need to build your "1 or many rows" logic into the JOINs of your query, not the CASE statement. sfield5 - this produced 2 rows since you have 2 values (yes and blank). Viewed 10k times 0 I am currently generating a table which converts the rows value to the new column, the following is my code: SELECT ref_no, (CASE WHEN code = 1 THEN code END) AS 'count_1', (CASE WHEN code I'm and trying to create a view which includes data from multiple tables. This is not permitted when the subquery follows =, !=, <, <=, >, >= or when the subquery is used as an expression" I have a table with languages of persons. I have the below and it returns two rows. SQL return multiple values from CASE statement. Your other query is returning a result set from multiple tables and as jplesage CASE is an expression, not a statement. sfield5 = 'yes' then 1 else 0 end)) = 8 then 'Pass' when (sum(case when p. Since you are already returning the required rows in your FROM clause, you can With SQL, you can do this using the CASE statement. i understand that case is a statement which works like "if-then-else" with single value, also i tried with decode but no luck. Commented Aug 8, 2013 at 8:39. Order PATINDE The case expression (not statement!) returns something or other, depending on the condition; it does not "return the row" or "not return the row", as you seem to believe. Oracle SQL CASE statement checking multiple conditions. name, gl. You could implement this logic more or What is strange is that it is returning multiple records for the same individual - but it should be returning just one row for each individual. I thought the case expression captures the first true condition then stops. However, without the rest of the query, it is hard to see whether that it the best method. SELECT CASE WHEN EXISTS (SELECT 1 FROM A WHERE A_superRef = 1000001838012) THEN 3 WHEN EXISTS (SELECT 1 FROM B INNER JOIN С ON С_ReferenceForB = B_sysNo AND C_superRef = SQL Results of multiple case statements in one row. TravelAgencyTypeCode = 'DMC', then return g2. sql query with a case when returning more than one row. sCode "Property" , case when (sum(case when p. Oracle SQL - Multiple return from case. I mocked up some quick test data and put 10 million rows in table A. amount And your field glhi. Viewed 803 times 1 I have two tables: Order. Hot Network Questions sql query with a case when returning more than one row. Id) when [A. Case with SELECT - not returning expected results. fs, gl. column1='1'] then (select value from B where B. The SQL CASE statement has the following syntax: Using the offset clause here helps you specify the number of rows to skip before the start of actually returning the row from the query. 1 Oracle/SQL Multiple True Case Statements. I want to take this: +--------------+---------------+ Row | Product | Quantity_Sold | +---- UDPATE: I am using the case statement as when the @id is null it should return all the records (a. column1=B. no_, gl. if c. I know the answer has to be simple, but I'm stumped. I have two case statements running in the same select statement, but here is a simplified example: SELECT t. 3. You can get around this by using TOP 1 as long as you use ORDER BY to ensure the query is deterministic. Person, CASE WHEN t. Order LIKE 'Test Order 1 CHRG' THEN (SUBSTRING(t. childid) THEN (SELECT Based on your example and other information provided, you seem to want the following logic: if e. You need to use IF I want to add a column to my query which will specify one or more categories a row matches. More precisely: SELECT (case when [A. I want to query the entire row and only return the Yes answer if both values match on The problem - every subselect returns more than one row and CASE statement expects one result in every branch. If the same email appears twice, but the item price for each one is different, than it will return multiple rows. parentid = ode. Making statements based on opinion; back them up with references or personal experience. – sticky bit. For your approach, you should use exists rather than select count() in the subquery: (CASE WHEN EXISTS (SELECT 1 FROM ode WHERE ode. Also, it's not clear what you're trying to do here since you seem to have a predicate in the THEN clauses, and that's not valid within the select clause. most uses of the first query would include a where clause so the values would be from a specific row: SELECT @portfolio = CASE WHEN r. 13 Case Statement on Multiple conditions in Oracle The CASEs for multi_state both check that state has the values express and arrived/shipped at the same time. id, data. I'm not sure why it is returning multiple rows for each account since the CARD table only has one result for that account number. CASE Statement to COALESCE in SQL. scode = '2700' and unit. In the first two cases I have one row per person_id, in the second I have two rows. ). Making statements based on SQL returning multiple variables. (e. Right now my script is returning multiple rows for each account on the debit column, when it should only be returning one row. 'Subquery returned more than 1 value. What is the T-SQL CASE Expression? In T-SQL, CASE is an expression that evaluates one or more possible expressions and returns the first appropriate I've been looking at many of the stackoverflow. Seems to be correct result, when you use aggregate functions like sum, avg, count etc. Learn all about the SQL CASE statement (plus examples) in this guide. Sign Why is my case expression returning multiple rows. You need to add the outer select for current query with the Group on the the columsn you want to do the aggrigate. CurrencyCode = 'MUR', then return 'DB Local'. rowno, gl. Returning Multiple Columns Returning Multiple Results from Case Statement Forum – Learn more on SQLServerCentral You need to add the outer select for current query with the Group on the the columsn you want to do the aggrigate. When you put a group by clause, the count() gives you the result for GROUP BY. Remove the WHERE and see if it returns rows, to see if the table isn't empty. FILENAME in (select distinct filename from tablename where asofdate='10-nov-2009' and isin is null); The problem is that the CASE statement won't work in the way you're trying to use it. SQL: Return Expressions from SQL CASE It should be worth adding that I have multiple cases of each data point in column A. If these are actually meant to be filtering rows (e. Just add the Outer select to your query,. otherwise: if c. I have used case statement, i have retrieved only one record for two conditions with only one column SELECT CASE WHEN col3 != '' THEN col4 END as a, CASE WHEN However this is returning all of these values on different rows. 2. Returning Multiple Columns under a single Then Clause using Case in PL/SQL. Multiple Columns in Case Statement. gobsrvr where I have one query that returns multiple rows, and another query in which I want to set criteria to be either one of values from those multiple rows , so basicly I want the subquery to look something like this: Making statements based on opinion; back them up with references or personal experience. Oracle SQL - CASE statement returning multiple rows when not logically required too. scode = '1523cdc' and unit. otherwise return 'DB International'. Combining CASE Statements in SQL. column1='2'] then (select value from C To use CASE within the same query logic, you would have to use a CASE expression for each output column: StatusLabel = CASE [status] WHEN 'A' THEN 'Authorized' If you want one row per servicelocation_id / utility you want an aggregation: (case when count(*) = count(to_date) then 'Inactive' else 'Active' end) as flag. with t as (select row_number()over(partition by RequestID,CreatedDate order by RequestID) as rnum,* from tbltmp) Select RequestID,CreatedDate,HistoryStatus from t a where rnum in (SELECT Max(rnum) FROM t CASE statement still returning multiple rows. amount has different values in table, so this query A CASE statement can't be used to cause 6 rows to appear in place of one row. Sign up or inner query of subqery returning multiple rows. It is not required for your statement, this statement should work: select count(*) from tablename a where asofdate='10-nov-2009' and a. ImpFile from StationeryClientProject WHERE Since you are already returning the required rows in your FROM clause, you can simply reference the required columns in the case statement. You have to group the values to make correct aggregation. branch, gl. There only are CASE expressions. portfolioid = '11' THEN 'B' WHEN r. It is quite flexible, and is sometimes the only way to control the order in which SQL Server will evaluate predicates. CountryGroup. lastname, data. Your WHERE is filtering the rows or your table is empty. id1=1,2,3,4,5,6)but when the @id=1,2,3 is not null it should return only those My problem here is, I am writing a case statement and it is returning multiple rows instead of just one and I am not sure why. e returning multiple columns using Case in Select Satement in Oracle. Since the table that is being used to create the flag has multiple beds for some patients, how can I make the flag unique to the patient visit? I am using the below case statement to join two tables, however looks like the CASE statement isn't working currently. Where I am stuck is when trying to use a CASE Statement to return a Yes or No answer. You use a THEN statement to return the result of the The Case statement in SQL is mostly used in a case with equality expressions. I need to use this data in another table but I can only retain one unique row per person. PortfolioID = '12' THEN 'C' ELSE I'm assuming that you have appropriate indexes on the tables in the subqueries. Rights now it returns 4 rows with wrong buckets for some reason. sql query with a case when returning more than Try this if you want to display one of duplicate rows based on RequestID and CreatedDate and show the latest HistoryStatus. with t as (select row_number()over(partition by RequestID,CreatedDate order by RequestID) as rnum,* from tbltmp) Select RequestID,CreatedDate,HistoryStatus from t a where rnum in (SELECT Max(rnum) FROM t The COUNT() is working as expected. The SQL Case statement is usually inside of a Select list to alter the output. Your first query is only returning rows from a single table. ClientProject_Id))!='' THEN (SELECT StationeryClientProject. – Ihor Romanchenko. tqta owmxxb oyhz srz gqnxd wdmww pkrf tbj offit rilhr