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>34.45. <TT
CLASS="LITERAL"
>sql_languages</TT
></A
></H1
><P
> The table <TT
CLASS="LITERAL"
>sql_languages</TT
> contains one row for
each SQL language binding that is supported by
<SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>.
<SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> supports direct SQL and
embedded SQL in C; that is all you will learn from this table.
</P
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> This table was removed from the SQL standard in SQL:2008, so there
are no entries referring to standards later than SQL:2003.
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><B
>Table 34-43. <TT
CLASS="LITERAL"
>sql_languages</TT
> Columns</B
></P
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>Name</TH
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>Data Type</TH
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><TBODY
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_source</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
> The name of the source of the language definition; always
<TT
CLASS="LITERAL"
>ISO 9075</TT
>, that is, the SQL standard
</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_year</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
> The year the standard referenced in
<TT
CLASS="LITERAL"
>sql_language_source</TT
> was approved.
</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_conformance</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
> The standard conformance level for the language binding. For
ISO 9075:2003 this is always <TT
CLASS="LITERAL"
>CORE</TT
>.
</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_integrity</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
>Always null (This value is relevant to an earlier version of the SQL standard.)</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_implementation</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
>Always null</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_binding_style</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
> The language binding style, either <TT
CLASS="LITERAL"
>DIRECT</TT
> or
<TT
CLASS="LITERAL"
>EMBEDDED</TT
>
</TD
></TR
><TR
><TD
><TT
CLASS="LITERAL"
>sql_language_programming_language</TT
></TD
><TD
><TT
CLASS="TYPE"
>character_data</TT
></TD
><TD
> The programming language, if the binding style is
<TT
CLASS="LITERAL"
>EMBEDDED</TT
>, else null. <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> only
supports the language C.
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