28.2 INFORMATION_SCHEMA Table Reference

The following table summarizes all available INFORMATION_SCHEMA tables. For greater detail, see the individual table descriptions.

Table 28.1 INFORMATION_SCHEMA Tables

Table Name	Description	Deprecated
ADMINISTRABLE_ROLE_AUTHORIZATIONS	Grantable users or roles for current user or role
APPLICABLE_ROLES	Applicable roles for current user
CHARACTER_SETS	Available character sets
CHECK_CONSTRAINTS	Table and column CHECK constraints
COLLATION_CHARACTER_SET_APPLICABILITY	Character set applicable to each collation
COLLATIONS	Collations for each character set
COLUMN_PRIVILEGES	Privileges defined on columns
COLUMN_STATISTICS	Histogram statistics for column values
COLUMNS	Columns in each table
COLUMNS_EXTENSIONS	Column attributes for primary and secondary storage engines
CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS	Current number of consecutive failed connection attempts per account
ENABLED_ROLES	Roles enabled within current session
ENGINES	Storage engine properties
EVENTS	Event Manager events
FILES	Files that store tablespace data
INNODB_BUFFER_PAGE	Pages in InnoDB buffer pool
INNODB_BUFFER_PAGE_LRU	LRU ordering of pages in InnoDB buffer pool
INNODB_BUFFER_POOL_STATS	InnoDB buffer pool statistics
INNODB_CACHED_INDEXES	Number of index pages cached per index in InnoDB buffer pool
INNODB_CMP	Status for operations related to compressed InnoDB tables
INNODB_CMP_PER_INDEX	Status for operations related to compressed InnoDB tables and indexes
INNODB_CMP_PER_INDEX_RESET	Status for operations related to compressed InnoDB tables and indexes
INNODB_CMP_RESET	Status for operations related to compressed InnoDB tables
INNODB_CMPMEM	Status for compressed pages within InnoDB buffer pool
INNODB_CMPMEM_RESET	Status for compressed pages within InnoDB buffer pool
INNODB_COLUMNS	Columns in each InnoDB table
INNODB_DATAFILES	Data file path information for InnoDB file-per-table and general tablespaces
INNODB_FIELDS	Key columns of InnoDB indexes
INNODB_FOREIGN	InnoDB foreign-key metadata
INNODB_FOREIGN_COLS	InnoDB foreign-key column status information
INNODB_FT_BEING_DELETED	Snapshot of INNODB_FT_DELETED table
INNODB_FT_CONFIG	Metadata for InnoDB table FULLTEXT index and associated processing
INNODB_FT_DEFAULT_STOPWORD	Default list of stopwords for InnoDB FULLTEXT indexes
INNODB_FT_DELETED	Rows deleted from InnoDB table FULLTEXT index
INNODB_FT_INDEX_CACHE	Token information for newly inserted rows in InnoDB FULLTEXT index
INNODB_FT_INDEX_TABLE	Inverted index information for processing text searches against InnoDB table FULLTEXT index
INNODB_INDEXES	InnoDB index metadata
INNODB_METRICS	InnoDB performance information
INNODB_SESSION_TEMP_TABLESPACES	Session temporary-tablespace metadata
INNODB_TABLES	InnoDB table metadata
INNODB_TABLESPACES	InnoDB file-per-table, general, and undo tablespace metadata
INNODB_TABLESPACES_BRIEF	Brief file-per-table, general, undo, and system tablespace metadata
INNODB_TABLESTATS	InnoDB table low-level status information
INNODB_TEMP_TABLE_INFO	Information about active user-created InnoDB temporary tables
INNODB_TRX	Active InnoDB transaction information
INNODB_VIRTUAL	InnoDB virtual generated column metadata
KEY_COLUMN_USAGE	Which key columns have constraints
KEYWORDS	MySQL keywords
MYSQL_FIREWALL_USERS	Firewall in-memory data for account profiles	Yes
MYSQL_FIREWALL_WHITELIST	Firewall in-memory data for account profile allowlists	Yes
ndb_transid_mysql_connection_map	NDB transaction information
OPTIMIZER_TRACE	Information produced by optimizer trace activity
PARAMETERS	Stored routine parameters and stored function return values
PARTITIONS	Table partition information
PLUGINS	Plugin information
PROCESSLIST	Information about currently executing threads
PROFILING	Statement profiling information
REFERENTIAL_CONSTRAINTS	Foreign key information
RESOURCE_GROUPS	Resource group information
ROLE_COLUMN_GRANTS	Column privileges for roles available to or granted by currently enabled roles
ROLE_ROUTINE_GRANTS	Routine privileges for roles available to or granted by currently enabled roles
ROLE_TABLE_GRANTS	Table privileges for roles available to or granted by currently enabled roles
ROUTINES	Stored routine information
SCHEMA_PRIVILEGES	Privileges defined on schemas
SCHEMATA	Schema information
SCHEMATA_EXTENSIONS	Schema options
ST_GEOMETRY_COLUMNS	Columns in each table that store spatial data
ST_SPATIAL_REFERENCE_SYSTEMS	Available spatial reference systems
ST_UNITS_OF_MEASURE	Acceptable units for ST_Distance()
STATISTICS	Table index statistics
TABLE_CONSTRAINTS	Which tables have constraints
TABLE_CONSTRAINTS_EXTENSIONS	Table constraint attributes for primary and secondary storage engines
TABLE_PRIVILEGES	Privileges defined on tables
TABLES	Table information
TABLES_EXTENSIONS	Table attributes for primary and secondary storage engines
TABLESPACES_EXTENSIONS	Tablespace attributes for primary storage engines
TP_THREAD_GROUP_STATE	Thread pool thread group states
TP_THREAD_GROUP_STATS	Thread pool thread group statistics
TP_THREAD_STATE	Thread pool thread information
TRIGGERS	Trigger information
USER_ATTRIBUTES	User comments and attributes
USER_PRIVILEGES	Privileges defined globally per user
VIEW_ROUTINE_USAGE	Stored functions used in views
VIEW_TABLE_USAGE	Tables and views used in views
VIEWS	View information