Can I use… row_number()


Apache DerbyBigQueryDb2 (LUW)H2MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200520072009201120132015201720192021✓ 3.25.0+⊘ 3.5.7 - 3.23.1✓ 2008R2+✓ 8.4+⊘ 8.3✓ 11gR1+✓ 8.0.11+⊘ 5.0 - 5.7✓ 10.2+⊘ 5.1 - 10.1✓ 1.4.198+⊘ 1.4.191 - 1.4.197✓ 9.7+✓ 2.0+⊘ 10.15.1.3 - 10.16.1.1

Row_number() window function returns a distinct ordinal number for every row.

SELECT ROW_NUMBER() OVER (ORDER BY …)
  FROM …

Normative References

The row_number() window function is defined in ISO/IEC 9075:2016-2 as part of optional feature T611, “Elementary OLAP operations”.

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