savepoint, 6184 Saving state thread state, 1851 scalability, 6184 Scalable Coherent Interface (NDB Cluster) (OBSOLETE), 4237 scalar JSON, 2069 scale arithmetic, 2454 numeric, 2012 scale out, 6184 scale up, 6184 SchedulerExecutionTimer, 4125 SchedulerResponsiveness, 4126 SchedulerSpinTimer, 4126 schema, 6184 altering, 2470 creating, 2507 deleting, 2610 SCHEMA Events (NDB Cluster), 4470 SCHEMA(), 2290 SCHEMATA INFORMATION_SCHEMA table, 4818 schemata table data dictionary table, 1018 SCHEMATA_EXTENSIONS INFORMATION_SCHEMA table, 2471, 4819 schema_auto_increment_columns view sys schema, 5159 schema_definition_cache system variable, 870 schema_index_statistics view sys schema, 5160 schema_object_overview view sys schema, 5161 SCHEMA_PRIVILEGES INFORMATION_SCHEMA table, 4820 schema_redundant_indexes view sys schema, 5162 schema_tables_with_full_table_scans view sys schema, 5168 schema_table_lock_waits view sys schema, 5163 schema_table_statistics view sys schema, 5164 schema_table_statistics_with_buffer view sys schema, 5166 schema_unused_indexes view sys schema, 5168 SCI (NDB Cluster) (OBSOLETE), 4237 script files, 326 scripts, 382, 391 SQL, 414 SDI, 552, 2628, 6185, 6185 search index, 6185 5537