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https://dev.mysql.com/doc/refman/8.0/en/change-master-to.html
] CHANGE MASTER TO changes the parameters that the replica server uses for connecting to the source and for reading data from the source. It also updates the contents of the replication metadata repositories (see Section 19.2.4, “Relay Log and ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-source-to.html
] CHANGE REPLICATION SOURCE TO changes the parameters that the replica server uses for connecting to the source and reading data from the source. It also updates the contents of the replication metadata repositories (see Section 19.2.4, “Relay Log ...
https://dev.mysql.com/doc/refman/8.0/en/check-table.html
option: { FOR UPGRADE | QUICK | FAST | MEDIUM | EXTENDED | CHANGED } CHECK TABLE checks a table or tables for errors. CHECK TABLE can also check views for problems, such as tables that are referenced in the view definition that no longer exist. To ...
https://dev.mysql.com/doc/refman/8.0/en/environment-variables.html
This section lists environment variables that are used directly or indirectly by MySQL. Most of these can also be found in other places in this manual. Options on the command line take precedence over values specified in option files and ...
https://dev.mysql.com/doc/refman/8.0/en/examples.html
Here are examples of how to solve some common problems with MySQL. Some of the examples use the table shop to hold the price of each article (item number) for certain traders (dealers). Supposing that each trader has a single fixed price per ...
https://dev.mysql.com/doc/refman/8.0/en/file-permissions.html
If you have problems with file permissions, the UMASK or UMASK_DIR environment variable might be set incorrectly when mysqld starts. For example, mysqld might issue the following error message when you create a table: ERROR: Can't find file: ...
https://dev.mysql.com/doc/refman/8.0/en/floating-point-types.html
The FLOAT and DOUBLE types represent approximate numeric data values. MySQL uses four bytes for single-precision values and eight bytes for double-precision values. For FLOAT, the SQL standard permits an optional specification of the precision (but ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-columns-table.html
For related usage information and examples, see Section 17.15.3, “InnoDB INFORMATION_SCHEMA Schema Object Tables”. The INNODB_COLUMNS table has these columns: TABLE_ID An identifier representing the table associated with the column; the same ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-fulltext-index.html
Full-text indexes are created on text-based columns (CHAR, VARCHAR, or TEXT columns) to speed up queries and DML operations on data contained within those columns. A full-text index is defined as part of a CREATE TABLE statement or added to an ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-system-tables.html
You can extract metadata about schema objects managed by InnoDB using InnoDB INFORMATION_SCHEMA tables. Traditionally, you would get this type of information using the techniques from Section 17.17, “InnoDB Monitors”, setting up InnoDB monitors ...