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https://dev.mysql.com/doc/refman/9.7/en/range-optimization.html
The range access method uses a single index to retrieve a subset of table rows that are contained within one or several index value intervals. The following sections describe conditions under which the optimizer uses range access. Additionally, for ...
https://dev.mysql.com/doc/refman/9.7/en/regexp.html
This section discusses the functions and operators available for regular expression matching and illustrates, with examples, some of the special characters and constructs that can be used for regular expression operations. MySQL implements regular ...
https://dev.mysql.com/doc/refman/9.7/en/replica-logs-status.html
A replica server creates two replication metadata repositories, the connection metadata repository and the applier metadata repository. If binary log file position based replication is in use, when the replica restarts, it reads the two ...
https://dev.mysql.com/doc/refman/9.7/en/replication-administration-skip.html
If replication stops due to an issue with an event in a replicated transaction, you can resume replication by skipping the failed transaction on the replica. Before skipping a transaction, ensure that the replication I/O (receiver) thread is ...
https://dev.mysql.com/doc/refman/9.7/en/replication-asynchronous-connection-failover-source.html
To activate asynchronous connection failover for a replication channel set SOURCE_CONNECTION_AUTO_FAILOVER=1 in a CHANGE REPLICATION SOURCE TO statement for this channel. GTID auto-positioning must be in use for the channel (SOURCE_AUTO_POSITION = ...
https://dev.mysql.com/doc/refman/9.7/en/replication-compatibility.html
MySQL supports replication from an older source to a newer replica for version combinations where we support upgrades from the source version to the replica version as described at Section 1.3, “MySQL Releases: Innovation and LTS” and Section ...
https://dev.mysql.com/doc/refman/9.7/en/replication-configuration.html
This section describes how to configure the different types of replication available in MySQL and includes the setup and configuration required for a replication environment, including step-by-step instructions for creating a new replication ...
https://dev.mysql.com/doc/refman/9.7/en/replication-features-auto-increment.html
Statement-based replication of AUTO_INCREMENT, LAST_INSERT_ID(), and TIMESTAMP values is carried out subject to the following exceptions: A statement invoking a trigger or function that causes an update to an AUTO_INCREMENT column is not replicated ...
https://dev.mysql.com/doc/refman/9.7/en/replication-features-current-user.html
In some cases, such as statements that change passwords, the function reference is expanded before it is written to the binary log, so that the statement includes the user name. For all other cases, the name of the current user on the source is ...
https://dev.mysql.com/doc/refman/9.7/en/replication-features-memory.html
When a replication source server shuts down and restarts, its MEMORY tables become empty. To replicate this effect to replicas, the first time that the source uses a given MEMORY table after startup, it logs an event that notifies replicas that the ...