Katz, Randy, 469
Key_blocks_used variable, 389
key_buffer_size variable, 368, 383
key_read_requests variable, 368, 389
keys for relational database, 213, 214– 215. See also primary key
foreign keys, 215–216
Key_write_requests variable, 389
Key_writes variable, 389
Kids attribute (Perl DBI), 611