doc: Update compatibility claim

Peter Eisentraut <peter_e@gmx.net>

Commit: 5e86bb51eaeeb5c70f64102f46c4431cb12999e9
Author: Peter Eisentraut <peter_e@gmx.net>
Date: 2017-03-18T18:25:41Z
Releases: 10.0
doc: Update compatibility claim

Update outdated claim that TRUNCATE is a PostgreSQL extension.

Add cross-links between DELETE and TRUNCATE references pages.

Files

PathChange+/−
doc/src/sgml/ref/delete.sgml modified +9 −2
doc/src/sgml/ref/truncate.sgml modified +8 −0

Documentation touched