low-priority option mysqlimport, 508 low-water mark, 6166 LOWER(), 2178 lower_case_file_system system variable, 825 GRANT, 2870 lower_case_table_names system variable, 826 LOW_PRIORITY DELETE modifier, 2623 INSERT modifier, 2634 UPDATE modifier, 2703 low_priority_updates system variable, 825 LPAD(), 2179 LRU, 6166 LRU page replacement, 3115 LSN, 6166 LTRIM(), 2179 lz4_decompress, 341, 630 macOS installation, 156 main connection interface, 982 main features of MySQL, 5 maintaining log files, 1067 tables, 1635 maintenance tables, 461 MAKEDATE(), 2159 MAKETIME(), 2159 MAKE_SET(), 2179 Making temporary file (append) before replaying LOAD DATA INFILE thread state, 1855 Making temporary file (create) before replaying LOAD DATA INFILE thread state, 1856 malicious SQL statements and NDB Cluster, 4606 manage keys thread state, 1850 management resource groups, 1006 management client (NDB Cluster), 4268 (see also mgm) management node (NDB Cluster) defined, 3926 management nodes (NDB Cluster), 4255 (see also mgmd) managing NDB Cluster, 4438 managing NDB Cluster processes, 4237 mandatory_roles system variable, 827 manual available formats, 2 M 5431