SQL JOIN: what is the difference between WHERE clause and ON clause?
The SQL JOIN clause allows you to associate rows that belong to different tables. For instance, a CROSS JOIN will create a Cartesian Product containing all possible combinations of rows between …
sql - Referring to a Column Alias in a WHERE Clause - Stack Overflow
SQL Server: [S0001][8121] Column 'day' is invalid in the HAVING clause because it is not contained in either an aggregate function or the GROUP BY clause.
SQL WITH clause example - Stack Overflow
Sep 23, 2012 · 353 The SQL WITH clause was introduced by Oracle in the Oracle 9i release 2 database. The SQL WITH clause allows you to give a sub-query block a name (a process also called …
sql server - SQL: IF clause within WHERE clause - Stack Overflow
Sep 18, 2008 · Is it possible to use an IF clause within a WHERE clause in MS SQL? Example:
sql - Using ROW_NUMBER () function in WHERE clause - Stack Overflow
I found one question answered with the ROW_NUMBER() function in the where clause. When I tried one query, I was getting the following error: Msg 4108 Level 15 State 1 Line 3 Windowed functions can...
sql server - The SQL OVER () clause - when and why is it useful ...
The SQL OVER () clause - when and why is it useful? Asked 14 years, 6 months ago Modified 2 years, 7 months ago Viewed 384k times
sql server - SQL Filter criteria in join criteria or where clause which ...
I have a relatively simple query joining two tables. The "Where" criteria can be expressed either in the join criteria or as a where clause. I'm wondering which is more efficient. Query is to fi...
SQL use CASE statement in WHERE IN clause - Stack Overflow
Oct 9, 2013 · SQL use CASE statement in WHERE IN clause Asked 12 years, 2 months ago Modified 5 years, 1 month ago Viewed 189k times
SQL - Using MAX in a WHERE clause - Stack Overflow
Sep 18, 2013 · A where clause checks every row to see if it matches the conditions specified. A max computes a single value from a row set. If you put a max, or any other aggregate function into a …
sql server - How do I perform an IF...THEN in an SQL SELECT? - Stack ...
Sep 15, 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.