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authorPeter Eisentraut <peter_e@gmx.net>2012-05-17 09:50:04 +0300
committerPeter Eisentraut <peter_e@gmx.net>2012-05-17 09:50:04 +0300
commit939ec9b8a4cdd0c9ed9d1d85390d44942cd2edf6 (patch)
tree2e03de0ef8ef557b658a358da18d24e26ef5a1a7 /doc/src
parentbe6d1c88a4e6f563adac54483f3fc07ed8d8d99e (diff)
downloadpostgresql-939ec9b8a4cdd0c9ed9d1d85390d44942cd2edf6.tar.gz
postgresql-939ec9b8a4cdd0c9ed9d1d85390d44942cd2edf6.zip
Update SQL features/conformance information to SQL:2011
Diffstat (limited to 'doc/src')
-rw-r--r--doc/src/sgml/features.sgml18
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/src/sgml/features.sgml b/doc/src/sgml/features.sgml
index 01d3ed91c57..6c22d698673 100644
--- a/doc/src/sgml/features.sgml
+++ b/doc/src/sgml/features.sgml
@@ -14,9 +14,9 @@
<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 2008.
- The 2008 version is referred to as ISO/IEC 9075:2008, or simply as SQL:2008.
- The versions prior to that were SQL:2003, SQL:1999, and SQL-92. Each version
+ 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: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
@@ -50,8 +50,8 @@
</para>
<para>
- The <acronym>SQL:2008</acronym> and <acronym>SQL:2003</acronym>
- standard versions are also split into a number
+ The standard versions beginning with <acronym>SQL:2003</acronym>
+ are also split into a number
of parts. Each is known by a shorthand name. Note that these parts
are not consecutively numbered.
@@ -78,18 +78,18 @@
</para>
<para>
- PostgreSQL supports most of the major features of SQL:2008. Out of
+ PostgreSQL supports most of the major features of SQL:2011. 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:2008.
+ system claims full conformance to Core SQL:2011.
</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:2008</acronym> which
+ list of the features defined in <acronym>SQL:2011</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
@@ -132,7 +132,7 @@
<title>Unsupported Features</title>
<para>
- The following features defined in <acronym>SQL:2008</acronym> are not
+ The following features defined in <acronym>SQL:2011</acronym> are not
implemented in this release of
<productname>PostgreSQL</productname>. In a few cases, equivalent
functionality is available.