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https://dev.mysql.com/doc/refman/8.0/en/using-explain.html
The EXPLAIN statement provides information about how MySQL executes statements: EXPLAIN works with SELECT, DELETE, INSERT, REPLACE, and UPDATE statements. If you have a problem with indexes not being used when you believe that they should be, run ...When EXPLAIN is used with an explainable statement, MySQL displays information from the optimizer about the statement execution ...
https://dev.mysql.com/doc/refman/8.0/en/window-function-restrictions.html
The SQL standard imposes a constraint on window functions that they cannot be used in UPDATE or DELETE statements to update rows. Using such functions in a subquery of these statements (to select rows) is permitted. MySQL does not support these ...
https://dev.mysql.com/doc/refman/8.0/en/compilation-problems.html
This mode causes compiler warnings to become errors, so disabling it may enable compilation to proceed. For information about acquiring or updating tools, see the system requirements in Section 2.8, “Installing MySQL from Source”. If you do ...
https://dev.mysql.com/doc/refman/8.0/en/create-user.html
To require an encrypted connection, a client need specify only the --ssl-mode=REQUIRED option; the connection attempt fails if a secure connection cannot be established. CREATE USER permits these resource_option values: MAX_QUERIES_PER_HOUR count, ... CREATE USER [IF NOT EXISTS] user [auth_option] [, user [auth_option]] ...
https://dev.mysql.com/doc/refman/8.0/en/docker-mysql-more-topics.html
Warning Any software updates or installations users perform to the Docker container (including those for MySQL components) may conflict with the optimized MySQL installation created by the Docker image. "Mounts": [ { "Type": "volume", "Name": ...A ...
https://dev.mysql.com/doc/refman/8.0/en/document-store-interfaces.html
You can use MySQL Shell to prototype applications, execute queries and update data. To work with MySQL as a document store, you use dedicated components and a choice of clients that support communicating with the MySQL server to develop document ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-replication-group-members.html
The information in the table is updated whenever there is a view change, for example when the configuration of the group is dynamically changed when a new member joins. The performance_schema.replication_group_members table is used for monitoring ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-indexes-table.html
Any other number represents a table created with a separate .ibd file in file-per-table mode. If the amount of data in an index page falls below the MERGE_THRESHOLD value when a row is deleted or when a row is shortened by an update operation, ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-encrypted-file-plugin.html
Before updating the file, the plugin verifies that it contains the expected checksum. Note The keyring_encrypted_file plugin is an extension included in MySQL Enterprise Edition, a commercial product. The keyring_encrypted_file keyring plugin ...
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 ...