Results for “column”
Small, practical examples. Search by task or narrow things down below.
Insert only keys absent from a destination
SQLite: NOT EXISTS supports a set-based missing-row insert in a single-writer example.
SQLite✓ Tested
Insert or update on a key conflict
Use a unique key to update an existing row.
ON CONFLICT✓ Tested
Inspect bytes as hexadecimal values
Linux Commands: Use od with explicit formatting and no address column.
Linux Commands✓ Tested
Inspect deleted rows
Return values from the rows a DELETE removes.
DELETE✓ Tested
Join a parent to pre-aggregated totals
SQL: Aggregate the child rows first to produce at most one joined row per parent.
SQL✓ Tested
Join a parent to pre-aggregated totals
SQL Server: Aggregate the child rows first to produce at most one joined row per parent.
SQL Server✓ Tested
Join a parent to pre-aggregated totals
Postgres: Aggregate the child rows first to produce at most one joined row per parent.
Postgres✓ Tested
Join a parent to pre-aggregated totals
SQLite: Aggregate the child rows first to produce at most one joined row per parent.
SQLite✓ Tested
Join related rows from two tables
SQL: Match a category key to its display label with an explicit join condition.
SQL✓ Tested
Join related rows from two tables
SQL Server: Match a category key to its display label with an explicit join condition.
SQL Server✓ Tested
Join related rows from two tables
Postgres: Match a category key to its display label with an explicit join condition.
Postgres✓ Tested
Join related rows from two tables
SQLite: Match a category key to its display label with an explicit join condition.
SQLite✓ Tested