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https://dev.mysql.com/doc/refman/5.7/en/delete.html
DELETE is a DML statement that removes rows from a table. Single-Table Syntax DELETE [LOW_PRIORITY] [QUICK] [IGNORE] FROM tbl_name [PARTITION (partition_name [, partition_name] ...)] [WHERE where_condition] [ORDER BY ...] [LIMIT row_count] The ...
https://dev.mysql.com/doc/refman/5.7/en/log-file-maintenance.html
For the latter logs, to cause a new log file to be created on Unix, rename the current log file first before flushing it. To rename the general query log or slow query log at runtime, first connect to the server and disable the log: SET GLOBAL ...
https://dev.mysql.com/doc/refman/5.7/en/general-thread-states.html
rename result table The thread is processing an ALTER TABLE statement, has created the new table, and is renaming it to replace the original table. This notification takes place if another thread has used FLUSH TABLES or one of the following ... The ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-problems.html
If something goes wrong with the renaming operation, MySQL tries to undo the changes. A simple rename of the table files at the system level should get your data back. If you get a duplicate-key error when using ALTER TABLE to change the character ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-examples.html
Regardless of the method used to create and populate the copy having the AUTO_INCREMENT column, the final step is to drop the original table and then rename the copy: DROP TABLE t1; ALTER TABLE t2 RENAME t1; . For NDB tables, it is also possible to ...
https://dev.mysql.com/doc/refman/5.7/en/stored-objects-security.html
An existing stored object can become orphaned through execution of a DROP USER statement that drops the object DEFINER account, or a RENAME USER statement that renames the object DEFINER account. If you plan to drop or rename the account, consider ... Stored programs (procedures, functions, triggers, and events) and views are defined prior to use and, when referenced, execute within a security context that determines their ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-nutshell.html
ALTER TABLE now supports a RENAME INDEX clause that renames an index. As part of this work, the JSON_MERGE() function has been renamed JSON_MERGE_PRESERVE(). Renaming of databases by mysqlbinlog when reading from binary logs written using the ...
https://dev.mysql.com/doc/refman/5.7/en/query-log.html
To rename the file and create a new one, use the following commands: $> mv host_name.log host_name-old.log $> mysqladmin flush-logs general $> mv host_name-old.log backup-directory On Windows, use rename rather than mv. You can also rename the ...
https://dev.mysql.com/doc/refman/5.7/en/added-deprecated-removed.html
Options and Variables Introduced in MySQL 5.7 Options and Variables Deprecated in MySQL 5.7 Options and Variables Removed in MySQL 5.7 This section lists server variables, status variables, and options that were added for the first time, have been ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%'; To remove an orphan intermediate table, perform the following steps: In the database directory, rename the #sql-*.frm file to match the base name of the orphan intermediate ... Information about table definitions is stored both in the .frm files, and in the InnoDB data ...