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https://dev.mysql.com/doc/refman/8.0/en/explain.html

{EXPLAIN | DESCRIBE | DESC} tbl_name [col_name | wild] {EXPLAIN | DESCRIBE | DESC} [explain_type] {explainable_stmt | FOR CONNECTION connection_id} {EXPLAIN | DESCRIBE | DESC} ANALYZE [explain_type] select_stmt explain_type: { FORMAT = format_name ...

25.6.1 Commands in the NDB Cluster Management Client

https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-mgm-client-commands.html

In addition to the central configuration file, a cluster may also be controlled through a command-line interface available through the management client ndb_mgm. Commands for the event logs are given in Section 25.6.3, “Event Reports Generated in ...

17.8.1 InnoDB Startup Configuration

https://dev.mysql.com/doc/refman/8.0/en/innodb-init-startup-configuration.html

For example, to create a system tablespace data file in a directory named myibdata, use this configuration: [mysqld] innodb_data_home_dir = /myibdata/ innodb_data_file_path=ibdata1:50M:autoextend A trailing slash is required when specifying a value ... The first decisions to make about InnoDB configuration involve the configuration of data files, log files, page size, and memory buffers, which should be configured before initializing ...

17.14 InnoDB Startup Options and System Variables

https://dev.mysql.com/doc/refman/8.0/en/innodb-parameters.html

A trailing slash is required when specifying a value for innodb_data_home_dir. InnoDB Startup Options InnoDB System Variables System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- ...

15.2.7 INSERT Statement

https://dev.mysql.com/doc/refman/8.0/en/insert.html

The trailing nonnumeric text is stripped off and the remaining numeric part is inserted. INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { ...

18.2.2 Space Needed for Keys

https://dev.mysql.com/doc/refman/8.0/en/key-space.html

Space compression makes the index file smaller than the worst-case figure if a string column has a lot of trailing space or is a VARCHAR column that is not always used to the full length. You can roughly calculate the size for the index file as ...

11.3 Keywords and Reserved Words

https://dev.mysql.com/doc/refman/8.0/en/keywords.html

Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...

15.2.9 LOAD DATA Statement

https://dev.mysql.com/doc/refman/8.0/en/load-data.html

The file can be read from the server host or the client host, depending on whether the LOCAL modifier is given. INTO Statement”.) To write data from a table to a file, use SELECT ... To read the file back into a table, use LOAD DATA. The syntax of ...

1.1 About This Manual

https://dev.mysql.com/doc/refman/8.0/en/manual-info.html

This is the Reference Manual for the MySQL Database System, version 8.0, through release 8.0.41. Differences between minor versions of MySQL 8.0 are noted in the present text with reference to release numbers (8.0.x). This manual is not intended ...

6.6.5 myisamlog — Display MyISAM Log File Contents

https://dev.mysql.com/doc/refman/8.0/en/myisamlog.html

To create such a file, start the server with a --log-isam=log_file option. Invoke myisamlog like this: myisamlog [options] [file_name [tbl_name] ...] The default operation is update (-u). If a recovery is done (-r), all writes and possibly updates ...

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