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https://dev.mysql.com/doc/refman/8.0/en/with.html
The optimizer cannot predict the number of iterations because it cannot predict at what point the WHERE clause becomes false. A common table expression (CTE) is a named temporary result set that exists within the scope of a single statement and ...
https://dev.mysql.com/doc/refman/8.0/en/account-categories.html
As of MySQL 8.0.16, MySQL incorporates the concept of user account categories, based on the SYSTEM_USER privilege. The SYSTEM_USER privilege has an effect on the accounts to which a given user can apply its other privileges, as well as whether the ...
https://dev.mysql.com/doc/refman/8.0/en/added-deprecated-removed.html
innodb_checkpoint_disabled: Disables checkpoints so that deliberate server exit always initiates recovery. replica_checkpoint_group: Maximum number of transactions processed by multithreaded replica before checkpoint operation is called to update ...
https://dev.mysql.com/doc/refman/8.0/en/archive-storage-engine.html
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. To enable this storage engine if you build MySQL from source, invoke CMake with the -DWITH_ARCHIVE_STORAGE_ENGINE ...
https://dev.mysql.com/doc/refman/8.0/en/arithmetic-functions.html
Discards from the division result any fractional part to the right of the decimal point. Table 14.9 Arithmetic Operators Name Description %, MOD Modulo operator * Multiplication operator + Addition operator - Minus operator - Change the sign of the ...
https://dev.mysql.com/doc/refman/8.0/en/backup-and-recovery.html
It is important to back up your databases so that you can recover your data and be up and running again in case problems occur, such as system crashes, hardware failures, or users deleting data by mistake. Backups are also essential as a safeguard ...
https://dev.mysql.com/doc/refman/8.0/en/case.html
For the second syntax, each WHEN clause search_condition expression is evaluated until one is true, at which point its corresponding THEN clause statement_list executes. CASE case_value WHEN when_value THEN statement_list [WHEN when_value THEN ...
https://dev.mysql.com/doc/refman/8.0/en/change-master-to.html
When you restart the replication channel, the privilege checks are applied from that point on. ] CHANGE MASTER TO changes the parameters that the replica server uses for connecting to the source and for reading data from the source. It also updates ...
https://dev.mysql.com/doc/refman/8.0/en/change-replication-source-to.html
When you restart the replication channel, the privilege checks are applied from that point on. ] CHANGE REPLICATION SOURCE TO changes the parameters that the replica server uses for connecting to the source and reading data from the source. It also ...
https://dev.mysql.com/doc/refman/8.0/en/changing-mysql-user.html
If it does not, you must also follow those links and change the directories and files they point to. On Windows, you can run the server as a Windows service using a normal user account. On Linux, for installations performed using a MySQL repository ...