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https://dev.mysql.com/doc/refman/5.7/en/traceable-statements.html
Statements which are traceable are listed here: SELECT INSERT REPLACE UPDATE DELETE EXPLAIN with any of the preceding statements SET DO DECLARE, CASE, IF, and RETURN as used in stored routines CALL Tracing is supported for both INSERT and REPLACE ...For statements which are prepared and executed in separate steps, preparation and execution are traced ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-ndb-transid-mysql-connection-map-table.html
This information is used when populating the server_operations and server_transactions tables of the ndbinfo NDB Cluster information database. It is implemented as an INFORMATION_SCHEMA plugin; you can verify that it is supported by checking the ...
https://dev.mysql.com/doc/refman/5.7/en/rewriting-subqueries.html
Sometimes there are other ways to test membership in a set of values than by using a subquery. Today, MySQL Server and many other modern database systems offer a wide range of outer join types. MySQL Server supports multiple-table DELETE statements ...Also, on some occasions, it is not only possible to rewrite a query without a subquery, but it can be more efficient to make use of some of these techniques rather than to use ...
https://dev.mysql.com/doc/refman/5.7/en/examples.html
Some of the examples use the table shop to hold the price of each article (item number) for certain traders (dealers). Supposing that each trader has a single fixed price per article, then (article, dealer) is a primary key for the records. Here ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-tables.html
For related information and examples, see Section 14.16, “InnoDB INFORMATION_SCHEMA Tables”. INFORMATION_SCHEMA InnoDB tables can be used to monitor ongoing InnoDB activity, to detect inefficiencies before they turn into issues, or to ...
https://dev.mysql.com/doc/refman/5.7/en/creating-ssl-rsa-files.html
RSA key files enable MySQL to support secure password exchange over unencrypted connections for accounts authenticated by the sha256_password plugin. The following discussion describes how to create the files required for SSL and RSA support in ...
https://dev.mysql.com/doc/refman/5.7/en/all-subqueries.html
The expression is TRUE if table t2 contains (-5,0,+5) because 10 is greater than all three values in t2. The expression is FALSE if table t2 contains (12,6,NULL,-100) because there is a single value 12 in table t2 that is greater than 10. The ...
https://dev.mysql.com/doc/refman/5.7/en/apis-python.html
MySQLdb is a third-party driver that provides MySQL support for Python, compliant with the Python DB API version 2.0. See MySQL Connector/Python Developer Guide for details on the Connector, as well as coding guidelines for Python applications and ...The new MySQL Connector/Python component provides an interface to the same Python API, and is built into the MySQL Server and supported by ...
https://dev.mysql.com/doc/refman/5.7/en/corrupted-myisam-tables.html
Even though the MyISAM table format is very reliable (all changes to a table made by an SQL statement are written before the statement returns), you can still get corrupted tables if any of the following events occur: The mysqld process is killed ...You are using an external program (such as myisamchk) to modify a table that is being modified by the server at the same ...
https://dev.mysql.com/doc/refman/5.7/en/create-function.html
The CREATE FUNCTION statement is used to create stored functions and loadable functions: For information about creating stored functions, see Section 13.1.16, “CREATE PROCEDURE and CREATE FUNCTION Statements”. For information about creating ...