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https://dev.mysql.com/doc/refman/5.7/en/information-schema-referential-constraints-table.html
The REFERENTIAL_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. UNIQUE_CONSTRAINT_CATALOG The name ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-schema-privileges-table.html
The SCHEMA_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. TABLE_CATALOG The name of the catalog to which the schema belongs. The value can be any privilege ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-schemata-table.html
The SCHEMATA table has these columns: CATALOG_NAME The name of the catalog to which the schema belongs. A schema is a database, so the SCHEMATA table provides information about databases. The following statements are equivalent: SELECT SCHEMA_NAME ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-status-table.html
Notes The VARIABLE_VALUE column for each of these tables is defined as VARCHAR(1024). Note The value of the show_compatibility_56 system variable affects the information available from the tables described here. For details, see the description of ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-table-privileges-table.html
The TABLE_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. TABLE_CATALOG The name of the catalog to which the table belongs. TABLE_SCHEMA The name of the schema ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-tp-thread-group-stats-table.html
The TP_THREAD_GROUP_STATS table has these columns: TP_GROUP_ID The thread group ID. This number is incremented when a statement starts executing, not when it finishes. QUERIES_QUEUED The number of statements received that were queued for execution.
https://dev.mysql.com/doc/refman/5.7/en/information-schema-user-privileges-table.html
The USER_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. The value can be any privilege that can be granted at the global level; see Section 13.7.1.4, “GRANT ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-variables-table.html
Notes The VARIABLE_VALUE column for each of these tables is defined as VARCHAR(1024). Note The value of the show_compatibility_56 system variable affects the information available from the tables described here. For details, see the description of ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-check-availability.html
Issue the SHOW ENGINES statement to view the available MySQL storage engines.