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#sequence

Commands grouped around the same concept, pattern, or recurring problem.

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advanced data-quality MySQL MariaDB SQL Server PostgreSQL SQLite

Find Gaps In An Integer Sequence

Generate the expected numbers and left join to the existing table to find missing ids or sequence values.

advanced composition MySQL MariaDB SQL Server PostgreSQL SQLite

Generate a Sequence of Numbers

Produce a consecutive sequence of integers without a base table — using `generate_series` in PostgreSQL or a recursive CTE in all other engines.