[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] [Y] key buffer defined key value EXPLAIN command key_len value EXPLAIN command keys candidate keys database tables, concepts and terminology 2nd superkeys keywords ALL ANY AUTO INCREMENT BINARY EXISTS FOREIGN KEY FULLTEXT IN INDEX PRIMARY KEY ROLLBACK 2nd SOME TEMPORARY UNIQUE UNSIGNED |