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https://dev.mysql.com/doc/refman/8.0/en/history.html
We started out with the intention of using the mSQL database system to connect to our tables using our own fast low-level (ISAM) routines. This resulted in a new SQL interface to our database but with almost the same API interface as mSQL. However, ...
https://dev.mysql.com/doc/refman/8.0/en/ibd2sdi.html
ibd2sdi is a utility for extracting serialized dictionary information (SDI) from InnoDB tablespace files. ibd2sdi can be run on file-per-table tablespace files (*.ibd files), general tablespace files (*.ibd files), system tablespace files (ibdata* ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-events-table.html
EVENT_SCHEMA The name of the schema (database) to which the event belongs. DATABASE_COLLATION The collation of the database with which the event is associated. The following statements are equivalent: SELECT EVENT_SCHEMA, EVENT_NAME, DEFINER, ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-cmp-per-index-table.html
The INNODB_CMP_PER_INDEX and INNODB_CMP_PER_INDEX_RESET tables provide status information on operations related to compressed InnoDB tables and indexes, with separate statistics for each combination of database, table, and index, to help you ...For ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-ft-config-table.html
Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that contains the FULLTEXT index (for example, test/articles). The INNODB_FT_CONFIG table provides metadata about ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-key-column-usage-table.html
CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. TABLE_SCHEMA The name of the schema (database) to which the table belongs. This table provides no information about functional key parts because they are ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-role-routine-grants-table.html
SPECIFIC_SCHEMA The name of the schema (database) to which the routine belongs. ROUTINE_SCHEMA The name of the schema (database) to which the routine belongs. The ROLE_ROUTINE_GRANTS table (available as of MySQL 8.0.19) provides information about ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-routines-table.html
ROUTINE_SCHEMA The name of the schema (database) to which the routine belongs. DATABASE_COLLATION The collation of the database with which the routine is associated. The ROUTINES table provides information about stored routines (stored procedures ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-statistics-table.html
TABLE_SCHEMA The name of the schema (database) to which the table containing the index belongs. INDEX_SCHEMA The name of the schema (database) to which the index belongs. The information_schema_stats_expiry system variable defines the period of time ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-table-constraints-table.html
CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. TABLE_SCHEMA The name of the schema (database) to which the table belongs. The TABLE_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog ...