date and time functions, 2150 date calculations, 316 DATE columns problems, 5307 DATE data type, 2023, 2024 date data types storage requirements, 2089 date literals, 1862 date values problems, 2027 DATE(), 2154 DATEDIFF(), 2154 dates used with partitioning, 4659 used with partitioning (examples), 4663, 4675, 4680, 4706 DATETIME data type, 2023, 2024 datetime_format removed features, 44 DATE_ADD(), 2154 date_format removed features, 44 DATE_FORMAT(), 2155 DATE_SUB(), 2154, 2156 DAY(), 2156 Daylight Saving Time, 1003, 1730, 2168 DAYNAME(), 2157 DAYOFMONTH(), 2157 DAYOFWEEK(), 2157 DAYOFYEAR(), 2157 db table sorting, 1221 system table, 258, 1019, 1205 db-workers option ndb_import, 4325 DB2 removed features, 45 DBI interface, 5219 DBI->quote, 1862 DBI->trace, 1156 DBI/DBD interface, 5219 DBI_TRACE environment variable, 632, 1156 DBI_USER environment variable, 632 DBUG package, 1165 DCL, 2863, 2876, 6146 DDEX provider, 6146 DDL, 2464, 2464, 6146 ddl-rewriter option mysqld, 1097 ddl_rewriter plugin, 1095 installing, 1096 dd_properties table data dictionary table, 1017 deadlock, 1822, 2729, 3094, 3098, 3099, 3100, 3100, 3273, 5123, 6146 deadlock detection, 6147 5361