odbc_specialcolumns()
odbc_specialcolumns - Retrieves special columns
Syntax
resource odbc_specialcolumns (
resource $connection_id,
int $type,
string $qualifier,
string $owner,
string $table,
int $scope,
int $nullable)
Arguments
- connection_id - The ODBC connection identifier, see odbc_connect() for details.
- type - When the type argument is SQL_BEST_ROWID, odbc_specialcolumns() returns the column or columns that uniquely identify each row in the table. When the type argument is SQL_ROWVER, odbc_specialcolumns() returns the column or columns in the specified table, if any, that are automatically updated by the data source when any value in the row is updated by any transaction.
- qualifier - The qualifier.
- owner - The owner.
- table - The table.
- scope - The scope, which orders the result set.
- nullable - The nullable option.
Description
Retrieves 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.
Version
PHP 4, 5
Return value
Returns an ODBC result identifier or FALSE on failure.
