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https://dev.mysql.com/doc/refman/8.0/en/create-view.html
For columns used elsewhere in the SELECT statement, you must have the SELECT privilege. If the OR REPLACE clause is present, you must also have the DROP privilege for the view. Within a database, base tables and views share the same namespace, so a ...If the view does not exist, CREATE OR REPLACE VIEW is the same as CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-triggers.html
Can a table have multiple triggers with the same trigger event and action time? A.5.11. Does MySQL have statement-level or row-level triggers? All triggers are FOR EACH ROW; that is, the trigger is activated for each row that is inserted, updated, ...Where can I find the documentation for MySQL 8.0 triggers? ...
https://dev.mysql.com/doc/refman/8.0/en/gis-class-geometry.html
For computations on multiple geometry values, all values must have the same SRID or an error occurs. For example, in different coordinate systems, the distance between two objects may differ even when objects have the same coordinates, because the ...It is a noninstantiable class but has a number of properties, described in the following list, that are common to all geometry values created from any of the Geometry ...
https://dev.mysql.com/doc/refman/8.0/en/gone-away.html
If you have a script, you just have to issue the query again for the client to do an automatic reconnection. This assumes that you have automatic reconnection in the client enabled (which is the default for the mysql command-line client). A client ... This section also covers the related Lost connection to server during query ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-distributed-recovery-connections.html
It is recommended that operating systems running MySQL have a properly configured unique host name, either using DNS or local settings. In any case, the distributed recovery process continues in the same way as it would have with the original donor.
https://dev.mysql.com/doc/refman/8.0/en/ndb-restore-different-number-nodes.html
Have all of these files available for later copying to the new data nodes (where they can be accessed on the data node's local file system by ndb_restore). It is simplest to copy them all to a single location; we assume that this is what you have ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-setup-instruments-table.html
Instrument names may have multiple parts and form a hierarchy, as discussed in Section 29.6, “Performance Schema Instrument Naming Conventions”. Events produced from execution of an instrument have an EVENT_NAME value that is taken from the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-assign-anon.html
From MySQL 8.0.23, you can set up replication channels to assign a GTID to replicated transactions that do not already have one. This feature enables replication from a source server that does not have GTIDs enabled and does not use GTID-based ...
https://dev.mysql.com/doc/refman/8.0/en/replication-gtids-auto-positioning.html
The source must have GTID_MODE=ON set in order for the connection to succeed. If any of the transactions that should be sent by the source have been purged from the source's binary log, or added to the set of GTIDs in the gtid_purged system variable ... GTIDs replace the file-offset pairs previously required to determine points for starting, stopping, or resuming the flow of data between source and ...
https://dev.mysql.com/doc/refman/8.0/en/replication-howto-additionalslaves.html
InnoDB tablespace files and file-per-table tablespaces might have been created in other directories. Check through the system variables that are set for the existing replica and look for any alternative paths that have been specified. During ... You ...