Results for “table variable”
Small, practical examples. Search by task or narrow things down below.
Turn a condition into a result label
SQL: Use CASE to describe stock availability for each row.
SQL✓ Tested
Turn JSON into typed rows
Project JSON array items into SQL columns.
OPENJSON✓ Tested
Turn known group values into columns
SQL: Conditional aggregation gives a portable pivot when the category set is known.
SQL✓ Tested
Turn known group values into columns
SQL Server: Conditional aggregation gives a portable pivot when the category set is known.
SQL Server✓ Tested
Turn known group values into columns
Postgres: Conditional aggregation gives a portable pivot when the category set is known.
Postgres✓ Tested
Turn known group values into columns
SQLite: Conditional aggregation gives a portable pivot when the category set is known.
SQLite✓ Tested
Type a dictionary with Record
Limit a lookup table to a known set of keys.
Record✓ Tested
Understand setup() and loop()
Arduino / C: See initialization run once and the main loop run repeatedly.
Arduino / C✓ Tested
Undo a multi-row transfer atomically
SQL: The first transaction commits the fixtures. Rolling back the second transaction restores both sides of the attempted transfer.
SQL✓ Tested
Undo only the work after a savepoint
SQL: After committing the fixtures, roll back a trial change while keeping earlier work in the second transaction.
SQL✓ Tested
Update a JSON property
Create updated JSON text with JSON_MODIFY.
JSON_MODIFY✓ Tested
Update a row on conflict
Use a primary key to insert or update one value.
upsert✓ Tested