Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] editions, multiple EMERGENCY database options emergency mode repair database option EMPTYFILE option enabling constraints enabling triggers Enterprise Edition Enterprise Manager entities entity integrity entries_count column entries_in_use_count column Evaluation Edition exact numeric values examples of locking creating tables overview row locks SELECT with default isolation level SELECT with Repeatable Read isolation level SELECT with Serializable isolation level Serializable isolation level Update operations exclusive locks 2nd exec_context_id column expanding databases explicit transactions Express Edition extents in databases external access database options external fragmentation of indexes |