Does information_schema need to be backed up?

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Answer

No. There's nothing stored there. Its all derived from other system information.

Existing backup tools exclude it automatically.

↑ Information Schema Tables ↑

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↑ Information Schema Tables ↑
Information Schema InnoDB Tables
Information Schema MyRocks Tables
Information Schema XtraDB Tables
ColumnStore Information Schema Tables
Information Schema ALL_PLUGINS Table
Information Schema APPLICABLE_ROLES Table
Information Schema CHARACTER_SETS Table
Information Schema CHECK_CONSTRAINTS Table
Information Schema CLIENT_STATISTICS Table
Information Schema COLLATION_CHARACTER_SET_APPLICABILITY Table
Information Schema COLLATIONS Table
Information Schema COLUMN_PRIVILEGES Table
Information Schema COLUMNS Table
Information Schema DISKS Table
Information Schema ENABLED_ROLES Table
Information Schema ENGINES Table
Information Schema EVENTS Table
Information Schema FEEDBACK Table
Information Schema FILES Table
Information Schema GEOMETRY_COLUMNS Table
Information Schema GLOBAL_STATUS and SESSION_STATUS Tables
Information Schema GLOBAL_VARIABLES and SESSION_VARIABLES Tables
Information Schema INDEX_STATISTICS Table
Information Schema KEY_CACHES Table
Information Schema KEY_COLUMN_USAGE Table
Information Schema KEY_PERIOD_USAGE Table
Information Schema KEYWORDS Table
Information Schema LOCALES Table
Information Schema METADATA_LOCK_INFO Table
Information Schema MROONGA_STATS Table
Information Schema OPTIMIZER_TRACE Table
Information Schema PARAMETERS Table
Information Schema PARTITIONS Table
Information Schema PERIODS Table
Information Schema PLUGINS Table
Information Schema PROCESSLIST Table
Information Schema PROFILING Table
Information Schema QUERY_CACHE_INFO Table
Information Schema QUERY_RESPONSE_TIME Table
Information Schema REFERENTIAL_CONSTRAINTS Table
Information Schema ROUTINES Table
Information Schema SCHEMA_PRIVILEGES Table
Information Schema SCHEMATA Table
Information Schema SPATIAL_REF_SYS Table
Information Schema SPIDER_ALLOC_MEM Table
Information Schema SPIDER_WRAPPER_PROTOCOLS Table
Information Schema SQL_FUNCTIONS Table
Information Schema STATISTICS Table
Information Schema SYSTEM_VARIABLES Table
Information Schema TABLE_CONSTRAINTS Table
Information Schema TABLE_PRIVILEGES Table
Information Schema TABLE_STATISTICS Table
Information Schema TABLES Table
Information Schema TABLESPACES Table
Information Schema THREAD_POOL_GROUPS Table
Information Schema THREAD_POOL_QUEUES Table
Information Schema THREAD_POOL_STATS Table
Information Schema THREAD_POOL_WAITS Table
Information Schema TRIGGERS Table
Information Schema USER_PRIVILEGES Table
Information Schema USER_STATISTICS Table
Information Schema USER_VARIABLES Table
Information Schema VIEWS Table
Information Schema WSREP_MEMBERSHIP Table
Information Schema WSREP_STATUS Table
Information Schema CATALOG Table
Information Schema USERS Table

Does information_schema need to be backed up?

Answer

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