Unsupported versions: 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2 / 7.1 Table C.1 lists all tokens that are key words in the SQL standard and in PostgreSQL 16.2. Background information can be found in Section 4.1.1. (For space reasons, only the latest two versions of the SQL standard, and SQL-92 for historical comparison, are included. The diff
![Appendix C. SQL Key Words](https://cdn-ak-scissors.b.st-hatena.com/image/square/942c169a9546888ebd1837d63ba046041510086f/height=288;version=1;width=512/https%3A%2F%2Fwww.postgresql.org%2Fmedia%2Fimg%2Fabout%2Fpress%2Felephant.png)