CHECK constraints ALTER TABLE, 2494 CREATE TABLE, 2581 RENAME TABLE, 2618 SHOW CREATE TABLE, 2920 with JSON_SCHEMA_VALID(), 2383 check option myisamchk, 568 mysqlcheck, 466 check options myisamchk, 568 CHECK TABLE and partitioning, 4701 CHECK TABLE statement, 2890 check-missing option ndb_blob_tool, 4276 check-only-changed option myisamchk, 568 mysqlcheck, 466 check-orphans option ndb_blob_tool, 4276 check-upgrade option mysqlcheck, 466 checking tables for errors, 1631 Checking master version thread state, 1854 checking permissions thread state, 1847 Checking table thread state, 1847 checkpoint, 6139 CHECKPOINT Events (NDB Cluster), 4466 Checksum, 4220 checksum, 6139 Checksum (NDB Cluster), 4228 checksum errors, 202 CHECKSUM TABLE and replication, 3656 CHECKSUM TABLE statement, 2894 CHECK_CONSTRAINTS INFORMATION_SCHEMA table, 4780 check_constraints table data dictionary table, 1017 check_proxy_users system variable, 780, 1270 child table, 6139 Chinese, Japanese, Korean character sets frequently asked questions, 5257 choosing a MySQL version, 96 data types, 2091 chroot option mysqld, 735 CIDR notation 5338