Results for “read rows”
Small, practical examples. Search by task or narrow things down below.
Reference a parent identified by two columns
SQL Server: A composite foreign key checks the complete referenced key rather than either column independently.
SQL Server✓ Tested
Reference a parent identified by two columns
Postgres: A composite foreign key checks the complete referenced key rather than either column independently.
Postgres✓ Tested
Reference a parent identified by two columns
SQLite: A composite foreign key checks the complete referenced key rather than either column independently.
SQLite✓ Tested
Refuse to overwrite an existing file with redirection
Bash Scripts: Noclobber makes a plain greater-than redirection fail when the target already exists.
Bash Scripts✓ Tested
Register cleanup through DestroyRef
Register cleanup through DestroyRef with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Reject a deferred result
jQuery: fail receives the reason supplied to reject.
jQuery✓ Tested
Reject a negative quantity with CHECK
SQL: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQL✓ Tested
Reject a negative quantity with CHECK
SQL Server: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQL Server✓ Tested
Reject a negative quantity with CHECK
Postgres: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
Postgres✓ Tested
Reject a negative quantity with CHECK
SQLite: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
SQLite✓ Tested
Reject duplicate business identifiers
SQL: A UNIQUE constraint protects a business key independently of the primary key.
SQL✓ Tested
Reject duplicate business identifiers
SQL Server: A UNIQUE constraint protects a business key independently of the primary key.
SQL Server✓ Tested