odbc_specialcolumns (PHP 4 ) 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
Descriptionresource odbc_specialcolumns ( resource connection_id, int type, string qualifier, string owner, string table, int scope, int nullable)
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
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.
Returns an ODBC result identifier or FALSE on
failure.
The result set has the following columns:
SCOPE COLUMN_NAME DATA_TYPE TYPE_NAME spanCISION LENGTH SCALE PSEUDO_COLUMN
The result set is ordered by SCOPE.
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