(PHP 4 >= 4.0.0)
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
Description
int odbc_specialcolumns (int 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
-
PRECISION
-
LENGTH
-
SCALE
-
PSEUDO_COLUMN
The result set is ordered by SCOPE.
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