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https://dev.mysql.com/doc/refman/5.7/en/using-log-files.html
Note that before starting mysqld with the general query log enabled, you should check all your tables with myisamchk. When mysqld dies again, you can examine the end of the log file for the query that killed mysqld. If you have started mysqld with ...If mysqld dies or hangs, you should start mysqld with the general query log ...
https://dev.mysql.com/doc/refman/5.7/en/windows-initialize-data-directory.html
If you installed MySQL using the noinstall package, you may need to initialize the data directory: Windows distributions prior to MySQL 5.7.7 include a data directory with a set of preinitialized accounts in the mysql database. As of 5.7.7, Windows ...To initialize the data directory, use the instructions at Section 2.9.1, “Initializing the Data ...
https://dev.mysql.com/doc/refman/5.7/en/apis-perl.html
The Perl DBI module provides a generic interface for database access. Optionally, the DBD module for any other type of database server you want to access. You can write a DBI script that works with many different database engines without change. To ...
https://dev.mysql.com/doc/refman/5.7/en/perl-support.html
The Perl DBI module provides a generic interface for database access. To use DBI, you must install the DBI module, as well as a DataBase Driver (DBD) module for each type of database server you want to access. You can write a DBI script that works ...The DBI/DBD interface requires Perl 5.6.0, and 5.6.1 or later is ...
https://dev.mysql.com/doc/refman/5.7/en/reproducible-test-case.html
For information about steps to take when encountering InnoDB table corruption, see Section 1.5, “How to Report Bugs or Problems”. The binary log is saved in the MySQL database directory with the name hostname-bin.NNNNNN. FTP the tables and the ...If you encounter corrupted MyISAM tables or if mysqld always fails after some update statements, you can test whether the issue is reproducible by doing the following: Stop the MySQL daemon with mysqladmin ...
https://dev.mysql.com/doc/refman/5.7/en/upgrade-before-you-begin.html
The backup should include the mysql system database, which contains the MySQL system tables. Review Section 2.10.3, “Changes in MySQL 5.7” for changes that you should be aware of before upgrading. Review Section 1.3, “What Is New in MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/aggregate-functions-and-modifiers.html
They are often used with a GROUP BY clause to group values into subsets.
https://dev.mysql.com/doc/refman/5.7/en/alter-tablespace.html
You may optionally follow size with a one-letter abbreviation for an order of magnitude, similar to those used in my.cnf. For example, you cannot have a tablespace and a data file with the same name, or an undo log file and a tablespace with the ...
https://dev.mysql.com/doc/refman/5.7/en/automatic-start.html
This section discusses methods for starting and stopping the MySQL server. On Windows, you can set up a MySQL service that runs automatically when Windows starts. On Unix and Unix-like systems, you can invoke mysqld_safe, which tries to determine ...Generally, you start the mysqld server in one of these ways: Invoke mysqld ...
https://dev.mysql.com/doc/refman/5.7/en/charset-collations.html
The following sections discuss various aspects of character set collations.