Set the cursor to refer to key, and store the primary key/data pair associated with the given secondary key in Current. In the presence of duplicate key values, the first data item in the set of duplicates is stored in Current.

Move the cursor to the specified key/data pair of the database. The cursor is positioned to a key/data pair if both the key and data match the values provided on the key and data parameters.

Set the cursor to refer to key, and store the primary key/data pair associated with the given secondary key in Current. In the presence of duplicate key values, the first data item in the set of duplicates is stored in Current.

Move the cursor to the specified key/data pair of the database. The cursor is positioned to a key/data pair if both the key and data match the values provided on the key and data parameters.