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#row-number

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

3 commands with this tag Browse related patterns quickly
advanced windowing MySQL MariaDB SQL Server PostgreSQL SQLite

Group Consecutive Rows With A ROW_NUMBER Difference

Create stable run groups without a primary key by subtracting two `ROW_NUMBER()` calculations over the same ordered events.

advanced windowing MySQL MariaDB SQL Server PostgreSQL SQLite

Number Rows Within Groups Using ROW_NUMBER

Assign sequential integers to rows within a partition without collapsing the result set the way `GROUP BY` does.

advanced windowing MySQL MariaDB SQL Server PostgreSQL SQLite

Select The Top Row Per Group

Use `ROW_NUMBER()` to rank rows within each group and keep only the highest-ranked row.