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PostgresConstraints & defaults

Remove dependent rows with a declared cascade

Postgres: ON DELETE CASCADE removes children when their referenced parent is deleted.

Postgres✓ Tested
SQLiteConstraints & defaults

Remove dependent rows with a declared cascade

SQLite: ON DELETE CASCADE removes children when their referenced parent is deleted.

SQLite✓ Tested
SQLGetting Started

Remove duplicate result values

SQL: Use DISTINCT when repeated category values are not useful.

SQL✓ Tested
SQL ServerGetting Started

Remove duplicate result values

SQL Server: Use DISTINCT when repeated category values are not useful.

SQL Server✓ Tested
PostgresGetting Started

Remove duplicate result values

Postgres: Use DISTINCT when repeated category values are not useful.

Postgres✓ Tested
SQLiteGetting Started

Remove duplicate result values

SQLite: Use DISTINCT when repeated category values are not useful.

SQLite✓ Tested
SQLBulk changes & set operations

Remove duplicate values while keeping the smallest key

SQL: Identify retained keys in a grouped subquery before deleting other copies.

SQL✓ Tested
SQL ServerBulk changes & set operations

Remove duplicate values while keeping the smallest key

SQL Server: Identify retained keys in a grouped subquery before deleting other copies.

SQL Server✓ Tested
PostgresBulk changes & set operations

Remove duplicate values while keeping the smallest key

Postgres: Identify retained keys in a grouped subquery before deleting other copies.

Postgres✓ Tested
SQLiteBulk changes & set operations

Remove duplicate values while keeping the smallest key

SQLite: Identify retained keys in a grouped subquery before deleting other copies.

SQLite✓ Tested
PythonCollections

Remove duplicates from a list

Remove repeated hashable values while preserving the order in which they first appeared.

list✓ Tested
Docker / ComposeNetworks & volume metadata

Remove one network attachment

Docker / Compose: network disconnect removes the specified attachment while retaining the container.

Docker / Compose✓ Tested