====== metaPrimaryKeys ======
~~NOTOC~~
== See Also ==
[[v5:dictionary:metaindexes|metaIndexes()]]
== Syntax ==
    mixed metaPrimaryKeys(
        string $tableName,
        optional string $owner=false,
        )
===== Description =====
The function ''metaPrimaryKeys()'' returns the column names in the primary key associated with a specific table as a numeric array . If there are no primary keys then the function returns false.
===== Optional Parameters =====
==== $owner ====
If specified, only returns primary keys associated with a table owned by that name.
===== Usage =====
/*
 * Connection to DB2 sample database assumed
 */
$mpk = $db->metaPrimaryKeys('ACT');
print_r($mpk);
/*
 * Prints 
Array
(
    [0] => ACTNO
)
 */