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authorPeter Eisentraut <peter@eisentraut.org>2019-05-14 14:56:58 +0200
committerPeter Eisentraut <peter@eisentraut.org>2019-05-14 15:44:37 +0200
commit037165ca95d854e04c0c28cfa85f1515bd852892 (patch)
tree3079a3a86320caa83bd4a6263649784410817d67 /doc/src
parenteb3a1376c98a1d220354b468f4b09e4a1dca909a (diff)
downloadpostgresql-037165ca95d854e04c0c28cfa85f1515bd852892.tar.gz
postgresql-037165ca95d854e04c0c28cfa85f1515bd852892.zip
Update SQL features/conformance information to SQL:2016
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/features.sgml16
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/src/sgml/features.sgml b/doc/src/sgml/features.sgml
index d6fa2c0c724..e54d8a6da78 100644
--- a/doc/src/sgml/features.sgml
+++ b/doc/src/sgml/features.sgml
@@ -14,10 +14,10 @@
<para>
The formal name of the SQL standard is ISO/IEC 9075 <quote>Database
Language SQL</quote>. A revised version of the standard is released
- from time to time; the most recent update appearing in 2011.
- The 2011 version is referred to as ISO/IEC 9075:2011, or simply as SQL:2011.
- The versions prior to that were SQL:2008, SQL:2006, SQL:2003, SQL:1999,
- and SQL-92. Each version
+ from time to time; the most recent update appearing in 2016.
+ The 2016 version is referred to as ISO/IEC 9075:2016, or simply as SQL:2016.
+ The versions prior to that were SQL:2011, SQL:2008, SQL:2006, SQL:2003,
+ SQL:1999, and SQL-92. Each version
replaces the previous one, so claims of conformance to earlier
versions have no official merit.
<productname>PostgreSQL</productname> development aims for
@@ -79,18 +79,18 @@
</para>
<para>
- PostgreSQL supports most of the major features of SQL:2011. Out of
+ PostgreSQL supports most of the major features of SQL:2016. Out of
179 mandatory features required for full Core conformance,
PostgreSQL conforms to at least 160. In addition, there is a long
list of supported optional features. It might be worth noting that at
the time of writing, no current version of any database management
- system claims full conformance to Core SQL:2011.
+ system claims full conformance to Core SQL:2016.
</para>
<para>
In the following two sections, we provide a list of those features
that <productname>PostgreSQL</productname> supports, followed by a
- list of the features defined in <acronym>SQL:2011</acronym> which
+ list of the features defined in <acronym>SQL:2016</acronym> which
are not yet supported in <productname>PostgreSQL</productname>.
Both of these lists are approximate: There might be minor details that
are nonconforming for a feature that is listed as supported, and
@@ -133,7 +133,7 @@
<title>Unsupported Features</title>
<para>
- The following features defined in <acronym>SQL:2011</acronym> are not
+ The following features defined in <acronym>SQL:2016</acronym> are not
implemented in this release of
<productname>PostgreSQL</productname>. In a few cases, equivalent
functionality is available.