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https://dev.mysql.com/doc/refman/8.0/en/internal-temporary-tables.html
In some cases, the server creates internal temporary tables while processing statements. The server creates temporary tables under conditions such as these: Evaluation of UNION statements, with some exceptions described later. Tables created for ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-table-wait-summary-tables.html
The following sections describe the table I/O and lock wait summary tables: table_io_waits_summary_by_index_usage: Table I/O waits per index table_io_waits_summary_by_table: Table I/O waits per table table_lock_waits_summary_by_table: Table lock ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-hints.html
For example, you can enable an optimization for one table in a statement and disable the optimization for a different table. References to table and index names follow the usual identifier case-sensitivity rules (see Section 11.2.3, “Identifier ...
https://dev.mysql.com/doc/refman/8.0/en/optimize-table.html
Use OPTIMIZE TABLE in these cases, depending on the type of table: After doing substantial insert, update, or delete operations on an InnoDB table that has its own .ibd file because it was created with the innodb_file_per_table option enabled. By ...
https://dev.mysql.com/doc/refman/8.0/en/general-tablespaces.html
A general tablespace is a shared InnoDB tablespace that is created using CREATE TABLESPACE syntax. The TABLESPACE option can be used with CREATE TABLE to create tables in a general tablespaces, file-per-table tablespace, or in the system tablespace. Creating a General Tablespace General tablespaces are created using CREATE TABLESPACE ...To make an ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlpump.html
To dump grant table contents as logical definitions in the form of CREATE USER and GRANT statements, use the --users option and suppress all database dumping: mysqlpump --exclude-databases=% --users In the preceding command, % is a wildcard that ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-replica.html
--replicate-do-table=db_name.tbl_name Command-Line Format --replicate-do-table=name Type String Creates a replication filter by telling the replication SQL thread to restrict replication to a given table. You can also create such a filter by issuing ...On the source and each replica, you must set the server_id system variable to establish a unique replication ID in the range from 1 to 232 ... This section explains the server options and system variables that apply to replica servers and contains the following: ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-system-tables.html
The first index is GEN_CLUST_INDEX, which is a clustered index created by InnoDB if the table does not have a user-defined clustered index. If a file-per-table tablespace were created in a location outside the MySQL data directory using the DATA ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-file-per-table-tablespaces.html
File-per-table tablespace characteristics are described under the following topics in this section: File-Per-Table Tablespace Configuration File-Per-Table Tablespace Data Files File-Per-Table Tablespace Advantages File-Per-Table Tablespace ... A ...
https://dev.mysql.com/doc/refman/8.0/en/repair-table.html
If you use USE_FRM for a table that was created by a different version of the MySQL server than the one you are currently running, REPAIR TABLE does not attempt to repair the table. With myisamchk --safe-recover, you can also use options that REPAIR ...[QUICK] [EXTENDED] [USE_FRM] REPAIR TABLE repairs a possibly corrupted table, for certain storage engines ...