Proc Sql Case When End As

Select case end posted 09 07 2012 12 21 pm 891 views in reply to tomkari what i m trying to do is get a response for each variable independently of the others i can write each variable separately in it s on proc sql. So once a condition is true it will stop reading and return the result. Proc sql set option noexec and will continue to check the syntax of statements.

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Executing Sql Stored Procedures Using Proc Sql Amadeus

Title sql case example.

Proc sql case when end as. Similar to an if then construct in the data step a case expression uses one or more when then clause s to conditionally process some but not all the rows in a table. If there is no else part and no conditions are true it returns null. When case operand is not specified when condition is an sql expression that resolves to true or false. When case operand is specified when condition is a shortened sql expression that assumes case operand as one of its operands and that resolves to true or false.

Does that answer you question. Create table data new as select case when a is not null then 500 when b 60 and c 0 then 400 when d 6 and days arrears e then 300 when d 6 and days arrears e then 200 when d 6 and days arrears e then 100 when f available then 50 when f vacant then 25 else. If no conditions are true it returns the value in the else clause. Real time 0 00 seconds user cpu time 0 00 seconds system cpu time 0 00 seconds memory 59 62k os memory.

If case operand equals when condition then the when clause is true. The sql case statement. Begin select product id product name from production products where list price 100000. If rowcount 0 print no product with price greater than 100000 found.

The sql procedure supports conditionally selecting result values from rows in a table or view in the form of a case expression. Procedure sql used total process time. The case statement goes through conditions and returns a value when the first condition is met like an if then else statement. Just remove the multiple else to keep one at the very end.

74 end as field 75 76 from test. Create table work newclass as select a name a sex a age case when a sex f and a age lt 13 then one when a sex f and a age ge 13 then two when a sex m and a age lt 14 then three when a sex m and a age ge 14 then four else none end as newvar from sashelp class as a. If when condition is false then proc sql evaluates the next when condition until they are all evaluated. The sas system stopped processing this step because of errors.

In this syntax you place a set of sql statements between the begin and end keywords for example. But there are over 500 variables that i m trying to do this with so i didn t want to do that. If the when condition is true for the row that is being executed then the result expression that follows then is executed.