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https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-backups-mysqldump.html
Because the format of the information is SQL statements, the file can easily be distributed and applied to running servers in the event that you need access to the data in an emergency. Tip Consider using the MySQL Shell dump utilities, which ...
https://dev.mysql.com/doc/refman/8.0/en/spatial-types.html
MySQL spatial extensions enable the generation, storage, and analysis of geographic features: Data types for representing spatial values Functions for manipulating spatial values Spatial indexing for improved access times to spatial columns The ...
https://dev.mysql.com/doc/refman/8.0/en/conditions-and-parameters.html
If a stored procedure exits with an unhandled exception, modified values of OUT and INOUT parameters are not propagated back to the caller. If an exception is handled by a CONTINUE or EXIT handler that contains a RESIGNAL statement, execution of ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-requirements-and-limitations.html
This section lists and explains the requirements and limitations of Group Replication.
https://dev.mysql.com/doc/refman/8.0/en/charset-syntax.html
There are default settings for character sets and collations at four levels: server, database, table, and column. The description in the following sections may appear complex, but it has been found in practice that multiple-level defaulting leads ...CHARACTER SET is used in clauses that specify a character ...
https://dev.mysql.com/doc/refman/8.0/en/database-use.html
Suppose that you have several pets in your home (your menagerie) and you would like to keep track of various types of information about them. You can do so by creating tables to hold your data and loading them with the desired information. A ...
https://dev.mysql.com/doc/refman/8.0/en/function-loading.html
MySQL supports automatic function loading during server startup and manual loading thereafter. Common suffixes are .so for Unix and Unix-like systems, .dll for Windows. It adds the function to the Performance Schema user_defined_functions table that ... Loadable functions, as the name implies, must be loaded into the server before they can be ...
https://dev.mysql.com/doc/refman/8.0/en/gis-linestring-property-functions.html
Unless otherwise specified, functions in this section handle their geometry arguments as follows: If any argument is NULL or any geometry argument is an empty geometry, the return value is NULL. ST_EndPoint() handles its arguments as described in ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-functions-for-communication-protocol.html
The following functions enable you to inspect and configure the Group Replication communication protocol version that is used by a replication group. Versions from MySQL 8.0.27 also allow the group communication engine to operate with a single ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-compression.html
This section provides information about the InnoDB table compression and InnoDB page compression features. The compression means less data is transferred between disk and memory, and takes up less space on disk and in memory. The page compression ...