I accidentally enabled ONLY_FULL_GROUP_BY mode like this: SET sql_mode = 'ONLY_FULL_GROUP_BY'; How do I disable it?

Is there any purpose for using both DISTINCT and GROUP BY in SQL? Below is a sample code SELECT DISTINCT Actors FROM MovieDetails GROUP BY Actors Does anyone know of any …

Cast the datetime to a date, then GROUP BY using this syntax: SELECT SUM(foo), DATE(mydate) FROM a_table GROUP BY DATE(a_table.mydate); Or you can GROUP BY the alias as @orlandu63 …

Multiplying the GROUP BY expression by the interval size and wrapping it in a DATEADD invocation will return you a DATETIME value. Including it in the SELECT statement will give your output a single …

In SQL, how can you "group by" in ranges? Asked 17 years, 1 month ago Modified 1 year, 4 months ago Viewed 250k times

For mysql, sql_mode not including ONLY_FULL_GROUP_BY in the bitmask, the Optimizer has a chance to deliver better results with a varied / different use of the alias in the HAVING clause.

A HAVING clause without a GROUP BY clause is valid and (arguably) useful syntax in Standard SQL. Because it operates on the table expression all-at-once as a set, so to speak, it only really makes …

What i need is commented above, a way to get the ROW_NUMBER but also to Group By in the first place. So i need the sum of all T1-prices grouped by T2.ID in the relation-table and in the outer query …

This is the opposite of the choice that GROUP BY will make in the same situation. This inconsistency is made to be compatible with the SQL standard. Bold emphasis mine. These conflicts can be avoided …

How to use GROUP BY to concatenate strings in SQL Server? Asked 17 years, 1 month ago Modified 1 year, 9 months ago Viewed 938k times