with MySQL Enterprise Monitor, 5221 with MySQL Performance Schema, 5123 TRUE, 1862, 1868 testing for, 2129, 2130 true literal JSON, 2069 truncate, 6194 TRUNCATE TABLE, 2619 and NDB Cluster, 3967 and replication, 3679 performance_schema database, 4938, 5128 TRUNCATE(), 2149 truststore, 6194 tuning, 1638 InnoDB compressed tables, 3149 tuple, 6194 tupscan option ndb_delete_all, 4297 ndb_select_all, 4404 tutorial, 303 twiddle option ndb_redo_log_reader, 4364 two-phase commit, 954, 955, 6194 TwoPassInitialNodeRestartCopy, 4127 tx_isolation removed features, 44 tx_read_only removed features, 44 type conversions, 2119, 2125 type option ibd2sdi, 554 ndb_config, 4287 ndb_show_tables, 4418 types columns, 2012, 2091 data, 2012 date and time, 2021 numeric, 2012 of tables, 3397 portability, 2091 string, 2034 typographical conventions, 2 TZ environment variable, 199, 632, 1000, 5306 tz-utc option mysqldump, 494 mysqlpump, 528 

UCASE(), 2183 UCS-2, 1926 ucs2 character set, 1965 as client character set, 1944 UDFs (see loadable functions) 

## U 

