How do I perform an IF...THEN in an SQL SELECT?
Sep 15, 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 …
sql - Case in Select Statement - Stack Overflow
Jan 7, 2013 · I have an SQL statement that has a CASE from SELECT and I just can't get it right. Can you guys show me an example of CASE where the cases are the conditions and the …
sql - Why is SELECT * considered harmful? - Stack Overflow
Sep 4, 2010 · Why is SELECT * bad practice? Wouldn't it mean less code to change if you added a new column you wanted? I understand that SELECT COUNT(*) is a performance problem …
sql server - SQL select from a select query - Stack Overflow
I want to do a select request that perform a first select and then use that selection to perform a second select. I made a 1st version using a temp table but I would like to know - is there is a wa...
sql - The difference between SELECT - Stack Overflow
Just for kicks and giggles, I put the SELECT .* into SQL Server and it gave me Invalid column prefix '': No table name specified - you can, however, use a table alias so that it's SELECT a.*, …
sql - Exclude a column using SELECT * [except columnA] FROM …
We all know that to select all columns from a table, we can use SELECT * FROM tableA Is there a way to exclude column(s) from a table without specifying all the columns? SELECT * [except …
How do I UPDATE from a SELECT in SQL Server? - Stack Overflow
Feb 25, 2010 · 4339 In SQL Server, it is possible to insert rows into a table with an INSERT.. SELECT statement: INSERT INTO Table (col1, col2, col3) SELECT col1, col2, col3 FROM …
Nested select statement in SQL Server - Stack Overflow
Why doesn't the following work? SELECT name FROM (SELECT name FROM agentinformation) I guess my understanding of SQL is wrong, because I would have thought this would return …
sql - SET versus SELECT when assigning variables? - Stack Overflow
Oct 15, 2010 · What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
sql - Using SELECT result in another SELECT - Stack Overflow
Apr 17, 2013 · Using SELECT result in another SELECT Asked 12 years, 6 months ago Modified 12 years, 6 months ago Viewed 369k times