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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-tables-table.html
The output does not explicitly list the table default character set, but the collation name begins with the character set name. The information_schema_stats_expiry system variable defines the period of time before cached table statistics expire. If ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-compression-internals.html
The compression of B-tree nodes (of both clustered and secondary indexes) is handled differently from compression of overflow pages used to store long VARCHAR, BLOB, or TEXT columns, as explained in the following sections. Compressing BLOB, VARCHAR, ... This section describes some internal implementation details about compression for InnoDB ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-consistent-read.html
A consistent read means that InnoDB uses multi-versioning to present to a query a snapshot of the database at a point in time. The query sees the changes made by transactions that committed before that point in time, and no changes made by later or ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-file-defragmenting.html
Random insertions into or deletions from a secondary index can cause the index to become fragmented. Fragmentation means that the physical ordering of the index pages on the disk is not close to the index ordering of the records on the pages, or ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-file-per-table-tablespaces.html
File-per-table tablespace characteristics are described under the following topics in this section: File-Per-Table Tablespace Configuration File-Per-Table Tablespace Data Files File-Per-Table Tablespace Advantages File-Per-Table Tablespace ... A ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-online-ddl-operations.html
When you add a primary key using the ALGORITHM=COPY clause, MySQL converts NULL values in the associated columns to default values: 0 for numbers, an empty string for character-based columns and BLOBs, and 0000-00-00 00:00:00 for DATETIME. Extending ... Online support details, syntax examples, and usage notes for DDL operations are provided under the following topics in this ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-aws-plugin.html
For information about the characteristics of key values permitted by keyring_aws, see Section 8.4.4.10, “Supported Keyring Key Types and Lengths”. Note The keyring_aws plugin is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-key-types.html
MySQL Keyring supports keys of different types (encryption algorithms) and lengths: The available key types depend on which keyring plugin is installed. The permitted key lengths are subject to multiple factors: General keyring loadable-function ...
https://dev.mysql.com/doc/refman/8.4/en/ldml-collation-example.html
To add a UCA collation for a Unicode character set without recompiling MySQL, use the following procedure. If you are unfamiliar with the LDML rules used to describe the collation's sort characteristics, see Section 12.14.4.2, “LDML Syntax ...The ...