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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-objects-summary-global-by-type-table.html
The Performance Schema maintains the objects_summary_global_by_type table for aggregating object wait events. row *************************** OBJECT_TYPE: TABLE OBJECT_SCHEMA: test OBJECT_NAME: t COUNT_STAR: 3 SUM_TIMER_WAIT: 263126976 ...Example ...
https://dev.mysql.com/doc/refman/5.7/en/cannot-find-table.html
Even for file systems that are not case-sensitive, such as on Windows, all references to a given table within a query must use the same lettercase. You can check which tables are in the default database with SHOW TABLES.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-default-stopword-table.html
The INNODB_FT_DEFAULT_STOPWORD table holds a list of stopwords that are used by default when creating a FULLTEXT index on InnoDB tables. For related usage information and examples, see Section 14.16.4, “InnoDB INFORMATION_SCHEMA FULLTEXT Index ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-metrics-table.html
The INNODB_METRICS table provides a wide variety of InnoDB performance information, complementing the specific focus areas of the Performance Schema tables for InnoDB. The INNODB_METRICS table has these columns: NAME A unique name for the counter.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-fields-table.html
The INNODB_SYS_FIELDS table provides metadata about the key columns (fields) of InnoDB indexes, equivalent to the information from the SYS_FIELDS table in the InnoDB data dictionary. For related usage information and examples, see Section 14.16.3, ...POS The ordinal position of the key field within the index, starting from 0 and incrementing ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-processlist-table.html
For a comparison of this table with other sources, see Sources of Process Information. This is the same value displayed in the Id column of the SHOW PROCESSLIST statement, displayed in the PROCESSLIST_ID column of the Performance Schema threads ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-tp-thread-state-table.html
The TP_THREAD_STATE table has one row per thread created by the thread pool to handle connections. The TP_THREAD_STATE table has these columns: TP_GROUP_ID The thread group ID. TP_GROUP_ID and TP_THREAD_NUMBER together provide a unique key within ...PROCESS_COUNT The 10ms interval in which the statement that uses this thread is currently ...
https://dev.mysql.com/doc/refman/5.7/en/loading-tables.html
You could create a text file pet.txt containing one record per line, with values separated by tabs, and given in the order in which the columns were listed in the CREATE TABLE statement. In its simplest form, you supply values for each column, in ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-accounts-table.html
The accounts table contains a row for each account that has connected to the MySQL server. For each account, the table counts the current and total number of connections. To set the table size explicitly, set the performance_schema_accounts_size ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-hosts-table.html
The hosts table contains a row for each host from which clients have connected to the MySQL server. For each host name, the table counts the current and total number of connections. To set the table size explicitly, set the ...This is NULL for an ...