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>odbc_specialcolumns</H1
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><P
> (PHP 4 )</P
>odbc_specialcolumns --
Returns either the optimal set of columns that uniquely
identifies a row in the table or columns that are automatically
updated when any value in the row is updated by a transaction
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><H2
>Description</H2
>resource <B
CLASS="methodname"
>odbc_specialcolumns</B
> ( resource connection_id, int type, string qualifier, string owner, string table, int scope, int nullable)<BR
></BR
><P
> When the type argument is SQL_BEST_ROWID,
<B
CLASS="function"
>odbc_specialcolumns()</B
> returns the
column or columns that uniquely identify each row in the table.
</P
><P
> When the type argument is SQL_ROWVER,
<B
CLASS="function"
>odbc_specialcolumns()</B
> returns the
optimal column or set of columns that, by retrieving values from
the column or columns, allows any row in the specified table to be
uniquely identified.
</P
><P
> Returns an ODBC result identifier or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on
failure.
</P
><P
> The result set has the following columns:
<P
></P
><UL
><LI
><P
>SCOPE</P
></LI
><LI
><P
>COLUMN_NAME</P
></LI
><LI
><P
>DATA_TYPE</P
></LI
><LI
><P
>TYPE_NAME</P
></LI
><LI
><P
>PRECISION</P
></LI
><LI
><P
>LENGTH</P
></LI
><LI
><P
>SCALE</P
></LI
><LI
><P
>PSEUDO_COLUMN</P
></LI
></UL
>
</P
><P
> The result set is ordered by SCOPE.
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