SQL standards and standardization

综合2026 年 9 月 17 日

SQL standardization

SQL standardization defines the SQL database language as the international standard ISO/IEC 9075, first published by ANSI in 1986 and adopted by ISO in 1987.

综合2026 年 9 月 17 日

SQL:1999

SQL:1999, also known as SQL3, is the third generation of the SQL database language standard, published in December 1999 with object technology its headline addition.

综合2026 年 10 月 26 日

SQL/PGQ (ISO/IEC 9075-16:2023) is Part 16 of SQL:2023, defining property graph creation over relational tables and GRAPH_TABLE pattern matching; implemented in Oracle 23ai and DuckPGQ, reverted from PostgreSQL 19.