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>odbc_foreignkeys</H1
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NAME="AEN161055"
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><P
>    (PHP 4, PHP 5)</P
>odbc_foreignkeys&nbsp;--&nbsp;Returns a list of foreign keys in the specified table or a list of foreign keys in other tables that refer to the primary key in the specified table</DIV
><DIV
CLASS="refsect1"
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NAME="AEN161058"
></A
><H2
>Description</H2
>resource <B
CLASS="methodname"
>odbc_foreignkeys</B
> ( resource connection_id, string pk_qualifier, string pk_owner, string pk_table, string fk_qualifier, string fk_owner, string fk_table )<BR
></BR
><P
>&#13;   <B
CLASS="function"
>odbc_foreignkeys()</B
> retrieves information about
   foreign keys. Returns an ODBC result identifier or
   <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on failure.
  </P
><P
>&#13;   The result set has the following columns:
   <P
></P
><UL
><LI
><P
>PKTABLE_QUALIFIER</P
></LI
><LI
><P
>PKTABLE_OWNER</P
></LI
><LI
><P
>PKTABLE_NAME</P
></LI
><LI
><P
>PKCOLUMN_NAME</P
></LI
><LI
><P
>FKTABLE_QUALIFIER</P
></LI
><LI
><P
>FKTABLE_OWNER</P
></LI
><LI
><P
>FKTABLE_NAME</P
></LI
><LI
><P
>FKCOLUMN_NAME</P
></LI
><LI
><P
>KEY_SEQ</P
></LI
><LI
><P
>UPDATE_RULE</P
></LI
><LI
><P
>DELETE_RULE</P
></LI
><LI
><P
>FK_NAME</P
></LI
><LI
><P
>PK_NAME</P
></LI
></UL
>
  </P
><P
>&#13;   If <CODE
CLASS="parameter"
>pk_table</CODE
> contains a table name,
   <B
CLASS="function"
>odbc_foreignkeys()</B
> returns a result set
   containing the primary key of the specified table and all of the
   foreign keys that refer to it.
  </P
><P
>&#13;   If <CODE
CLASS="parameter"
>fk_table</CODE
> contains a table name,
   <B
CLASS="function"
>odbc_foreignkeys()</B
> returns a result set
   containing all of the foreign keys in the specified table and the
   primary keys (in other tables) to which they refer.
  </P
><P
>&#13;   If both <CODE
CLASS="parameter"
>pk_table</CODE
> and
   <CODE
CLASS="parameter"
>fk_table</CODE
> contain table names,
   <B
CLASS="function"
>odbc_foreignkeys()</B
> returns the foreign keys in
   the table specified in <CODE
CLASS="parameter"
>fk_table</CODE
> that refer
   to the primary key of the table specified in
   <CODE
CLASS="parameter"
>pk_table</CODE
>. This should be one key at most.
  </P
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