Results for “DELETE”
Small, practical examples. Search by task or narrow things down below.
Block deletion of a referenced parent
SQL Server: The default foreign-key action prevents deletion while a child still refers to the parent.
SQL Server✓ Tested
Block deletion of a referenced parent
Postgres: The default foreign-key action prevents deletion while a child still refers to the parent.
Postgres✓ Tested
Block deletion of a referenced parent
SQLite: The default foreign-key action prevents deletion while a child still refers to the parent.
SQLite✓ Tested
Remove a Map entry and detect whether it existed
JavaScript: Map.delete returns true only when an entry was present.
JavaScript✓ Tested
Remove a Map entry and detect whether it existed
TypeScript: Map.delete returns true only when an entry was present.
TypeScript✓ Tested
Remove a slice range
Remove a slice range using a complete Go program with explicit sample inputs.
Go✓ Tested
Remove an indexed element and compact the array
Bash Scripts: Unsetting an element leaves a gap; reassigning the values creates consecutive indices.
Bash Scripts✓ Tested
Remove carriage-return characters
Linux Commands: Use tr -d to remove CR characters from Windows-style line endings.
Linux Commands✓ Tested
Remove dependent rows with a declared cascade
SQL: ON DELETE CASCADE removes children when their referenced parent is deleted.
SQL✓ Tested
Remove dependent rows with a declared cascade
SQL Server: ON DELETE CASCADE removes children when their referenced parent is deleted.
SQL Server✓ Tested
Remove dependent rows with a declared cascade
Postgres: ON DELETE CASCADE removes children when their referenced parent is deleted.
Postgres✓ Tested
Remove dependent rows with a declared cascade
SQLite: ON DELETE CASCADE removes children when their referenced parent is deleted.
SQLite✓ Tested