doc: Add information about new SQL part SQL/MDA
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/33e27c3785c5ce8a3264d6af2550ec5adcebc517
Modified Files
--------------
doc/src/sgml/features.sgml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)