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MySQL Information Schema  /  INFORMATION_SCHEMA Table Reference

Chapter 3 INFORMATION_SCHEMA Table Reference

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

Table 3.1 INFORMATION_SCHEMA Tables

Table Name Description Introduced Deprecated
CHARACTER_SETS Available character sets
COLLATION_CHARACTER_SET_APPLICABILITY Character set applicable to each collation
COLLATIONS Collations for each character set
COLUMN_PRIVILEGES Privileges defined on columns
COLUMNS Columns in each table
CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS Current number of consecutive failed connection attempts per account 5.7.17
ENGINES Storage engine properties
EVENTS Event Manager events
FILES Files that store tablespace data
GLOBAL_STATUS Global status variables
GLOBAL_VARIABLES Global system variables
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_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_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_LOCK_WAITS InnoDB transaction lock-wait information 5.7.14
INNODB_LOCKS InnoDB transaction lock information 5.7.14
INNODB_METRICS InnoDB performance information
INNODB_SYS_COLUMNS Columns in each InnoDB table
INNODB_SYS_DATAFILES Data file path information for InnoDB file-per-table and general tablespaces
INNODB_SYS_FIELDS Key columns of InnoDB indexes
INNODB_SYS_FOREIGN InnoDB foreign-key metadata
INNODB_SYS_FOREIGN_COLS InnoDB foreign-key column status information
INNODB_SYS_INDEXES InnoDB index metadata
INNODB_SYS_TABLES InnoDB table metadata
INNODB_SYS_TABLESPACES InnoDB file-per-table, general, and undo tablespace metadata
INNODB_SYS_TABLESTATS InnoDB table low-level status information
INNODB_SYS_VIRTUAL InnoDB virtual generated column metadata
INNODB_TEMP_TABLE_INFO Information about active user-created InnoDB temporary tables
INNODB_TRX Active InnoDB transaction information
KEY_COLUMN_USAGE Which key columns have constraints
MYSQL_FIREWALL_USERS Firewall in-memory data for account profiles
MYSQL_FIREWALL_WHITELIST Firewall in-memory data for account profile allowlists
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
ROUTINES Stored routine information
SCHEMA_PRIVILEGES Privileges defined on schemas
SCHEMATA Schema information
SESSION_STATUS Status variables for current session
SESSION_VARIABLES System variables for current session
STATISTICS Table index statistics
TABLE_CONSTRAINTS Which tables have constraints
TABLE_PRIVILEGES Privileges defined on tables
TABLES Table information
TABLESPACES Tablespace information
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_PRIVILEGES Privileges defined globally per user
VIEWS View information