Results for “grouping”
Small, practical examples. Search by task or narrow things down below.
Filter rows before grouping
SQL: WHERE limits the rows contributing to the aggregate; it differs from filtering completed groups with HAVING.
SQL✓ Tested
Filter rows before grouping
SQL Server: WHERE limits the rows contributing to the aggregate; it differs from filtering completed groups with HAVING.
SQL Server✓ Tested
Filter rows before grouping
Postgres: WHERE limits the rows contributing to the aggregate; it differs from filtering completed groups with HAVING.
Postgres✓ Tested
Filter rows before grouping
SQLite: WHERE limits the rows contributing to the aggregate; it differs from filtering completed groups with HAVING.
SQLite✓ Tested
Group strings by their length
Java: Choose a TreeMap supplier when group keys must have deterministic order.
Java✓ Tested
Filter rows with WHERE
Keep products below a chosen price.
WHERE✓ Tested
Group by more than one field
SQL: Each distinct combination of grouping fields produces its own row.
SQL✓ Tested
Group by more than one field
SQL Server: Each distinct combination of grouping fields produces its own row.
SQL Server✓ Tested
Group by more than one field
Postgres: Each distinct combination of grouping fields produces its own row.
Postgres✓ Tested
Group by more than one field
SQLite: Each distinct combination of grouping fields produces its own row.
SQLite✓ Tested
Redirect an entire group of commands
Bash Scripts: Brace grouping runs in the current shell and shares a single output redirection.
Bash Scripts✓ Tested