LISTAGG Query "ORA-00937: not a single-group group function"
1617
ORA-00979 not a group by expression
62898
QUERY error for BY column
7770
How can I rewrite this query so as to avoid the error: You can't specify target table for update in FROM clause
93099
Oracle Query giving error
132105
What makes a field not groupable
153939
Alias Names and Two Table Query Problems
93082
DB2 Comma Separated Output by Groups
127084
Returning the 'last' row of each 'group by' in MySQL
1650
ORA-12704: character set mismatch
99045
How to debug ORA-01775: looping chain of synonyms?
106227
Using column alias in WHERE clause of MySQL query produces an error
97182
Where's my invalid character (ORA-00911)
59798
How SELECT column does not list in GROUP BY clause
21053
How to use GROUP BY to concatenate strings in MySQL?
14638
PostgreSQL -must appear in the GROUP BY clause or be used in an aggregate function
510
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
137984
How do I use "GROUP BY"?