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https://dev.mysql.com/doc/refman/8.0/en/charset-binary-collations.html
Binary strings are sequences of bytes and the numeric values of those bytes determine comparison and sort order. The binary collation differs from _bin collations in several respects, discussed in the following sections: The Unit for Comparison and ... This section describes how the binary collation for binary strings compares to _bin collations for nonbinary ...
https://dev.mysql.com/doc/refman/8.0/en/optimizer-hints.html
*/ C-style comment syntax, with a + character following the /* comment opening sequence. Consider this sequence of statements: SET @saved_val = @@SESSION.var_name; SET @@SESSION.var_name = value; SELECT ... SET @@SESSION.var_name = @saved_val; The ... One means of control over optimizer strategies is to set the optimizer_switch system variable (see Section 10.9.2, “Switchable ...
https://dev.mysql.com/doc/refman/8.0/en/implicit-commit.html
CREATE TABLE and DROP TABLE statements do not commit a transaction if the TEMPORARY keyword is used. (This does not apply to other operations on temporary tables such as ALTER TABLE and CREATE INDEX, which do cause a commit.) However, although no ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-files-table.html
For NDB: The name of an undo log file created by CREATE LOGFILE GROUP or ALTER LOGFILE GROUP, or of a data file created by CREATE TABLESPACE or ALTER TABLESPACE. This means, for example, that the name of a data file created with ALTER TABLESPACE ts ... The FILES table provides information about the files in which MySQL tablespace data is ...
https://dev.mysql.com/doc/refman/8.0/en/keyring-hashicorp-plugin.html
The following instructions describe how to create the certificate and key files using OpenSSL. (Optional) To check key file content and validity, use the following commands: openssl rsa -in company.key -check openssl rsa -in vault.key -check Create ... Note The keyring_hashicorp plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.0/en/multifactor-authentication.html
That is, it places constraints on CREATE USER and ALTER USER statements with respect to multifactor authentication. CREATE USER and ALTER USER have syntax enabling multiple authentication methods to be specified for new accounts, and for adding, ...
https://dev.mysql.com/doc/refman/8.0/en/pam-pluggable-authentication.html
To refer to the PAM authentication plugin in the IDENTIFIED WITH clause of a CREATE USER statement, use the name authentication_pam. For example: CREATE USER user IDENTIFIED WITH authentication_pam AS 'auth_string'; The authentication string ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-example.html
You can do this by issuing a CREATE NODEGROUP command in the cluster management client. ALGORITHM=INPLACE, REORGANIZE PARTITION does not work on tables that were created with the MAX_ROWS option. REORGANIZE PARTITION statements for NDBCLUSTER tables ... In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-source-to.html
When using a multithreaded replica (replica_parallel_workers > 0), stopping the replica can cause gaps in the sequence of transactions that have been executed from the relay log, regardless of whether the replica was stopped intentionally or ...] ...
https://dev.mysql.com/doc/refman/8.0/en/ansi-diff-comments.html
MySQL Server supports a variant of the -- comment style; the -- start-comment sequence is accepted as such, but must be followed by a whitespace character such as a space or newline. To keep this from happening, MySQL requires a whitespace character ... Standard SQL uses the C syntax /* this is a comment */ for comments, and MySQL Server supports this syntax as ...