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https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-buffer-page-lru-table.html
The INNODB_BUFFER_PAGE_LRU table provides information about the pages in the InnoDB buffer pool; in particular, how they are ordered in the LRU list that determines which pages to evict from the buffer pool when it becomes full. The ...To avoid ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-table-reference.html
The following table summarizes INFORMATION_SCHEMA InnoDB tables. For greater detail, see the individual table descriptions. Table 24.3 INFORMATION_SCHEMA InnoDB Tables Table Name Description Deprecated INNODB_BUFFER_PAGE Pages in InnoDB buffer pool ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-file-format-compatibility-checking-table-access.html
When a table is first accessed, InnoDB (including some releases prior to InnoDB 1.0) checks that the file format of the tablespace in which the table is stored is fully supported. This check prevents crashes or corruptions that would otherwise ...
https://dev.mysql.com/doc/refman/5.7/en/join.html
MySQL supports the following JOIN syntax for the table_references part of SELECT statements and multiple-table DELETE and UPDATE statements: table_references: escaped_table_reference [, escaped_table_reference] ... A table reference (when it refers ...index_hint: { USE {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] ([index_list]) | {IGNORE|FORCE} {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] (index_list) } index_list: index_name [, index_name] ...
https://dev.mysql.com/doc/refman/5.7/en/creating-tables.html
If you make a poor choice and it turns out later that you need a longer field, MySQL provides an ALTER TABLE statement. You want a table that contains a record for each of your pets. This can be called the pet table, and it should contain, as a bare ...For example, if more than one person in your family keeps pets, you might want to list each animal's ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-performance-schema.html
Stage Event tables, which store event data for InnoDB ALTER TABLE and buffer pool load operations. For more information, see Section 14.17.1, “Monitoring ALTER TABLE Progress for InnoDB Tables Using Performance Schema”, and Monitoring Buffer ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-table-constraints-table.html
The TABLE_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. TABLE_SCHEMA The name of the schema (database) to which the table belongs. CONSTRAINT_SCHEMA The name of the schema (database) ...
https://dev.mysql.com/doc/refman/5.7/en/corrupted-myisam-tables.html
Even though the MyISAM table format is very reliable (all changes to a table made by an SQL statement are written before the statement returns), you can still get corrupted tables if any of the following events occur: The mysqld process is killed ...An unexpected computer shutdown occurs (for example, the computer is turned ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-show-tables.html
ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and NDB Cluster Disk Data objects as well.
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-memory-summary-tables.html
Memory summary tables do not contain timing information because memory events are not timed. Example memory event summary information: mysql> SELECT * FROM performance_schema.memory_summary_global_by_event_name WHERE EVENT_NAME = ...Operation counts ...