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https://dev.mysql.com/doc/refman/5.7/en/replication-upgrade.html
When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to replication. For general information and instructions for upgrading a MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/resetting-permissions.html
If you have never assigned a root password for MySQL, the server does not require a password at all for connecting as root. For instructions on assigning a password, see Section 2.9.4, “Securing the Initial MySQL Account”. If you know the root ...
https://dev.mysql.com/doc/refman/5.7/en/rewriter-query-rewrite-plugin.html
MySQL supports query rewrite plugins that can examine and possibly modify SQL statements received by the server before the server executes them. MySQL distributions include a postparse query rewrite plugin named Rewriter and scripts for installing ...
https://dev.mysql.com/doc/refman/5.7/en/secure-client-programming.html
Client applications that access MySQL should use the following guidelines to avoid interpreting external data incorrectly or exposing sensitive information. Handle External Data Properly Handle MySQL Error Messages Properly Handle External Data ...
https://dev.mysql.com/doc/refman/5.7/en/select-optimization.html
Queries, in the form of SELECT statements, perform all the lookup operations in the database. Tuning these statements is a top priority, whether to achieve sub-second response times for dynamic web pages, or to chop hours off the time to generate ...
https://dev.mysql.com/doc/refman/5.7/en/selecting-all.html
For example, you may happen to think that the birth date for Bowser does not seem quite right. Consulting your original pedigree papers, you find that the correct birth year should be 1989, not 1979. Fix only the erroneous record with an UPDATE ...
https://dev.mysql.com/doc/refman/5.7/en/selinux-file-context.html
The MySQL Server reads from and writes to many files. If the SELinux context is not set correctly for these files, access to the files could be denied. The instructions that follow use the semanage binary to manage file context; on RHEL, it's part ...
https://dev.mysql.com/doc/refman/5.7/en/set-password.html
SET PASSWORD [FOR user] = password_option password_option: { 'auth_string' | PASSWORD('auth_string') } The SET PASSWORD statement assigns a password to a MySQL user account. = PASSWORD('auth_string') syntax is deprecated in MySQL 5.7 and is removed ...
https://dev.mysql.com/doc/refman/5.7/en/set-sql-log-bin.html
SET sql_log_bin = {OFF|ON} The sql_log_bin variable controls whether logging to the binary log is enabled for the current session (assuming that the binary log itself is enabled). To disable or enable binary logging for the current session, set the ...
https://dev.mysql.com/doc/refman/5.7/en/setting-environment-variables.html
Environment variables can be set at the command prompt to affect the current invocation of your command processor, or set permanently to affect future invocations. To set a variable permanently, you can set it in a startup file or by using the ...