Results for “related rows”
Small, practical examples. Search by task or narrow things down below.
Enforce a bounded numeric range
SQL: A named CHECK constraint keeps numeric values inside an inclusive interval.
SQL✓ Tested
Enforce a bounded numeric range
SQL Server: A named CHECK constraint keeps numeric values inside an inclusive interval.
SQL Server✓ Tested
Enforce a bounded numeric range
Postgres: A named CHECK constraint keeps numeric values inside an inclusive interval.
Postgres✓ Tested
Enforce a bounded numeric range
SQLite: A named CHECK constraint keeps numeric values inside an inclusive interval.
SQLite✓ Tested
Enforce uniqueness with a dedicated index
SQL: A unique index rejects a duplicate combination independently of query plans.
SQL✓ Tested
Enforce uniqueness with a dedicated index
SQL Server: A unique index rejects a duplicate combination independently of query plans.
SQL Server✓ Tested
Enforce uniqueness with a dedicated index
Postgres: A unique index rejects a duplicate combination independently of query plans.
Postgres✓ Tested
Enforce uniqueness with a dedicated index
SQLite: A unique index rejects a duplicate combination independently of query plans.
SQLite✓ Tested
Exclude a purely decorative image from accessible content
HTML: An empty alt indicates that this image adds no information beyond nearby content.
HTML✓ Tested
Exclude elements from a collection
jQuery: not removes matching elements from the current selection.
jQuery✓ Tested
Expand an abbreviation with explanatory text
HTML: The title attribute supplies the full form while nearby text remains useful without hovering.
HTML✓ Tested
Expose a disclosure button’s expanded state
HTML: Keep aria-expanded synchronized with the controlled panel’s hidden state.
HTML✓ Tested