SQL (Structured Query Language) has been with us for more than half a century and it’s not going away anytime soon. Popular in both traditional relational databases and newer NoSQL databases ...

It is a SQL practice repository covering basics to advanced topics. It includes exercises on SELECT statements, WHERE clauses, GROUP BY, JOINS, window functions (OVER(), PARTITION BY), ROW_NUMBER(), ...

Start Full SQL Tracing/Stop Full SQL Tracing enables/disables tracing for all new and existing sessions and the SQL Tracing check box enables/disables tracing for a given session. Let’s assume we want ...

Try to build single result of group by result on string column, but it doesn't works and reports error: No match found for function signature group_count(< CHARACTER >) Query sql example is below: ...