Cluster keys fortable clusters(see"Overview of Table Clusters") A row fully contained in one block has at least 3 bytes of row header. Column Data After the row header, the column data section stores the actual data in the row. The row piece usually stores columns in the order listed in...
If the ship’s activity at the calling port is expressed in ERA diagram, it can be composed of a facility usage entity and a ship’s berthing entity. As the primary keys of ship berthing entity and facility usage entity has different attributes, this problem is solved by finding and linkin...