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https://dev.mysql.com/doc/refman/5.7/en/cannot-create.html
If you get an error of the following type for some queries, it means that MySQL cannot create a temporary file for the result set in the temporary directory: Can't create/write to file '\\sqla3fe_0.ism'. The preceding error is a typical message for ...
https://dev.mysql.com/doc/refman/5.7/en/cannot-roll-back.html
If you issue a statement early in a transaction that cannot be rolled back, and then another statement later fails, the full effect of the transaction cannot be rolled back in such cases by issuing a ROLLBACK statement. In general, these include ...
https://dev.mysql.com/doc/refman/5.7/en/checking-gpg-signature-windows.html
Select I believe checks are very accurate to enable "full trust" and then press OK. The Section 2.1.4.2, “Signature Checking Using GnuPG” section describes how to verify MySQL downloads using GPG. That guide also applies to Microsoft Windows, ...
https://dev.mysql.com/doc/refman/5.7/en/connection-control-plugin-installation.html
Note It is possible to install one plugin without the other, but both must be installed for full connection control capability. This section describes how to install the connection control plugins, CONNECTION_CONTROL and ...
https://dev.mysql.com/doc/refman/5.7/en/connection-interfaces.html
When a connection ends, its thread is returned to the thread cache if the cache is not full. This section describes aspects of how the MySQL server manages client connections. Network Interfaces and Connection Manager Threads Client Connection ...
https://dev.mysql.com/doc/refman/5.7/en/converting-tables-to-innodb.html
ROLLBACK is a relatively expensive operation, because INSERT, UPDATE, and DELETE operations are written to InnoDB tables prior to the COMMIT, with the expectation that most changes are committed successfully and rollbacks are rare. Use SHOW CREATE ... If you have MyISAM tables that you want to convert to InnoDB for better reliability and scalability, review the following guidelines and tips before ...
https://dev.mysql.com/doc/refman/5.7/en/copying-databases.html
In the following commands, DUMPDIR represents the full path name of the directory you use to store the output from mysqldump. In cases where you need to transfer databases between different architectures, you can use mysqldump to create a file ...
https://dev.mysql.com/doc/refman/5.7/en/create-table-generated-columns.html
Values of a generated column are computed from an expression included in the column definition. Generated columns are supported by the NDB storage engine beginning with MySQL NDB Cluster 7.5.3. Generated column definitions have this syntax: col_name ...
https://dev.mysql.com/doc/refman/5.7/en/creating-accounts.html
Both are superuser accounts with full global privileges to do anything. To manage MySQL accounts, use the SQL statements intended for that purpose: CREATE USER and DROP USER create and remove accounts. GRANT and REVOKE assign privileges to and ...
https://dev.mysql.com/doc/refman/5.7/en/creating-many-tables.html
If you execute SELECT statements on many different tables, there is a little overhead when the table cache is full, because for every table that has to be opened, another must be closed. If you have many MyISAM tables in the same database ...