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https://dev.mysql.com/doc/refman/5.7/en/replica-logs-status.html
When you back up the replica's data or transfer a snapshot of its data to create a new replica, ensure that you include the mysql.slave_master_info and mysql.slave_relay_log_info tables containing the replication metadata repositories, or the ...By ... A replica server creates two replication metadata repositories, the connection metadata repository and the applier metadata ...
https://dev.mysql.com/doc/refman/5.7/en/charset-table.html
The CREATE TABLE and ALTER TABLE statements have optional clauses for specifying the table character set and collation: CREATE TABLE tbl_name (column_list) [[DEFAULT] CHARACTER SET charset_name] [COLLATE collation_name]] ALTER TABLE tbl_name ...If ...
https://dev.mysql.com/doc/refman/5.7/en/added-deprecated-removed.html
innodb_tmpdir: Directory location for temporary table files created during online ALTER TABLE operations. disable-partition-engine-check: Whether to disable startup check for tables without native partitioning. group_replication_recovery_ssl_cert: ... Options and Variables Introduced in MySQL 5.7 Options and Variables Deprecated in MySQL 5.7 Options and Variables Removed in MySQL 5.7 This section lists server variables, status variables, and options that were added for the first time, have been deprecated, or have been removed in MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/storage-engine-setting.html
To convert a table from one storage engine to another, use an ALTER TABLE statement that indicates the new engine: ALTER TABLE t ENGINE = InnoDB; See Section 13.1.18, “CREATE TABLE Statement”, and Section 13.1.8, “ALTER TABLE Statement”. By ... When you create a new table, you can specify which storage engine to use by adding an ENGINE table option to the CREATE TABLE statement: -- ENGINE=INNODB not needed unless you have set a different -- default storage ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-statistics-table.html
However, prefix lengths for index specifications in CREATE TABLE, ALTER TABLE, and CREATE INDEX statements are interpreted as number of characters for nonbinary string types (CHAR, VARCHAR, TEXT) and number of bytes for binary string types (BINARY, ...The STATISTICS table has these columns: TABLE_CATALOG The name of the catalog to which the table containing the index ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-file-format-compatibility.html
(In many cases, the ALTER TABLE statement recreates a table and thus changes its properties. These checks take place when the server is started, and when you first access a table. In general, a newer version of InnoDB may create a table or index ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-info.html
Methods of obtaining such information include the following: Using the SHOW CREATE TABLE statement to view the partitioning clauses used in creating a partitioned table. Using the SHOW TABLE STATUS statement to determine whether a table is ... This ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-general-table-reference.html
The following table summarizes INFORMATION_SCHEMA general tables. For greater detail, see the individual table descriptions. Table 24.2 INFORMATION_SCHEMA General Tables Table Name Description CHARACTER_SETS Available character sets ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-tablespaces-table.html
The INNODB_SYS_TABLESPACES table provides metadata about InnoDB file-per-table and general tablespaces, equivalent to the information in the SYS_TABLESPACES table in the InnoDB data dictionary. For related usage information and examples, see ...For ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-key-column-usage-table.html
The KEY_COLUMN_USAGE table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. TABLE_CATALOG The name of the catalog to which the table belongs. TABLE_SCHEMA The name of the schema (database) to which the ...CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint ...