ORA-00979: not a GROUP BY expression?
158751
Oracle ORA-00979 - "not a GROUP BY expression"
149649
group_concat in SQL Server 2008
71713
PostgreSQL - "DISTINCT ON" and "GROUP BY" syntax
71327
Is there any function in oracle similar to group_concat in mysql?
35756
ORA-04091: table [blah] is mutating, trigger/function may not see it
115861
Pivot / Crosstab Query in Oracle 10g (Dynamic column number)
100646
MySQL - Using COUNT(*) in the WHERE clause
157000
Is there a nesting limit for correlated subqueries in some versions of Oracle?
118519
ORA-00904: invalid identifier
110245
sql 'is not' (  ) is not working
62482
how to select only row with max sequence without using a subquery?
30078
How do I perform a GROUP BY on an aliased column in MS-SQL Server?
135942
Group by alias (Oracle)
21053
How to use GROUP BY to concatenate strings in MySQL?
52166
SELECT COUNT(*) AS count - How to use this count
140337
Using an aggregate function in where
30778
Excel function working like SQL group by + count(distinct *)?