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https://dev.mysql.com/doc/refman/8.4/en/group-replication-deploying-locally.html
The most common way to deploy Group Replication is using multiple server instances, to provide high availability. It is also possible to deploy Group Replication locally, for example for testing purposes. Important Group Replication is usually ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-distributed-recovery-connections.html
When a joining member connects to an online existing member for state transfer during distributed recovery, the joining member acts as a client on the connection and the existing member acts as a server. When state transfer from the donor's binary ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
This section lists the system variables that are specific to the Group Replication plugin. The name of each Group Replication system variable is prefixed with group_replication_. Note InnoDB Cluster uses Group Replication, but the default values of ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-view-changes.html
When Group Replication's distributed recovery process is carrying out state transfer from the binary log, to synchronize the joining member with the donor up to a specific point in time, the joining member and donor make use of GTIDs (see Section ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-tables-table.html
For related usage information and examples, see Section 17.15.3, “InnoDB INFORMATION_SCHEMA Schema Object Tables”. The INNODB_TABLES table has these columns: TABLE_ID An identifier for the InnoDB table. NAME The name of the table, preceded by ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-trx-table.html
The INNODB_TRX table provides information about every transaction currently executing inside InnoDB, including whether the transaction is waiting for a lock, when the transaction started, and the SQL statement the transaction is executing, if any.
https://dev.mysql.com/doc/refman/8.4/en/information-schema-st-spatial-reference-systems-table.html
The ST_SPATIAL_REFERENCE_SYSTEMS table provides information about available spatial reference systems (SRSs) for spatial data. Entries in the ST_SPATIAL_REFERENCE_SYSTEMS table are based on the European Petroleum Survey Group (EPSG) data set, ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-table-constraints-table.html
The TABLE_CONSTRAINTS table has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. TABLE_SCHEMA The name of the schema ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-locking-reads.html
If you query data and then insert or update related data within the same transaction, the regular SELECT statement does not give enough protection. Other transactions can update or delete the same rows you just queried. InnoDB supports two types of ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-online-ddl-single-multi.html
Before the introduction of online DDL, it was common practice to combine many DDL operations into a single ALTER TABLE statement. Because each ALTER TABLE statement involved copying and rebuilding the table, it was more efficient to make several ...