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https://dev.mysql.com/doc/refman/8.0/en/replication-options-reference.html
replica_checkpoint_group: Maximum number of transactions processed by multithreaded replica before checkpoint operation is called to update progress status. replica_checkpoint_period: Update progress status of multithreaded replica and flush relay ... The following two sections provide basic information about the MySQL command-line options and system variables applicable to replication and the binary ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rbr-safe-unsafe.html
In addition, statements using results from floating-point math functions—which are hardware-dependent—are always considered unsafe (see Section 19.5.1.12, “Replication and Floating-Point Values”). The “safeness” of a statement in MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-table-options.html
Having reached this point, if there are no table options, the replica simply executes all events. The starting point is the end of the evaluation of the database-level options, as described in Section 19.2.5.1, “Evaluation of Database-Level ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-switch.html
From that point on, all updates sent by Web Client to Replica 1 are written to the binary log of Replica 1, which then contains every update sent to Replica 1 since Source became unavailable. If you fail to do this, the replicas may pick up stale ...
https://dev.mysql.com/doc/refman/8.0/en/resignal.html
ERROR 1051 (42S02): Unknown table 'xx' At this point, the contents of the first (current) and second (stacked) diagnostics areas are the same. ERROR 1051 (42S02): Unknown table 'xx' At this point, if @a = 0, RESIGNAL pops the diagnostics area stack, ...RESIGNAL may change some or all information before passing it ...
https://dev.mysql.com/doc/refman/8.0/en/spatial-types.html
The term most commonly used is geometry, defined as a point or an aggregate of points representing anything in the world that has a location. The Open Geospatial Consortium (OGC) is an international consortium of more than 250 companies, agencies, ...
https://dev.mysql.com/doc/refman/8.0/en/symbolic-links-to-tables.html
It works directly on the file to which the symlink points. Note When you drop a table that is using symlinks, both the symlink and the file to which the symlink points are dropped. Note Symbolic link support as described here, along with the ...
https://dev.mysql.com/doc/refman/8.0/en/trigger-syntax.html
(ROLLBACK to SAVEPOINT is permitted because it does not end a transaction.). For nontransactional tables, such rollback cannot be done, so although the statement fails, any changes performed prior to the point of the error remain in effect. To ...
https://dev.mysql.com/doc/refman/8.0/en/version-tokens-usage.html
The application caches this information to provide a central access point to it. If at some point the management application needs to change a server assignment (for example, to change it from permitting writes to read only), it changes the server's ... Before using Version Tokens, install it according to the instructions provided at Section 7.6.6.2, “Installing or Uninstalling Version ...
https://dev.mysql.com/doc/refman/8.0/en/windows-symbolic-links.html
To do this, create a symbolic link in the MySQL data directory that points to D:\data\mydb. On Windows, symbolic links can be used for database directories. This enables you to put a database directory at a different location (for example, on a ...