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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo.html
ndbinfo is included with NDB Cluster support in the MySQL Server; no special compilation or configuration steps are required; the tables are created by the MySQL Server when it connects to the cluster. This database contains a number of tables, each ... ndbinfo is a database containing information specific to NDB ...
https://dev.mysql.com/doc/refman/8.0/en/hash-joins.html
row *************************** id: 1 select_type: SIMPLE table: t1 partitions: NULL type: ALL possible_keys: NULL key: NULL key_len: NULL ref: NULL rows: 1 filtered: 100.00 Extra: NULL *************************** 2. Prior to MySQL 8.0.20, a hash ...
https://dev.mysql.com/doc/refman/8.0/en/sys-statements-with-temp-tables.html
memory_tmp_tables The total number of internal in-memory temporary tables created by occurrences of the statement. disk_tmp_tables The total number of internal on-disk temporary tables created by occurrences of the statement. These views list ...db ...
https://dev.mysql.com/doc/refman/8.0/en/binary-log-mysql-database.html
The contents of the grant tables in the mysql database can be modified directly (for example, with INSERT or DELETE) or indirectly (for example, with GRANT or CREATE USER). This pertains to statements such as GRANT, REVOKE, SET PASSWORD, RENAME ...
https://dev.mysql.com/doc/refman/8.0/en/rewriter-query-rewrite-plugin-reference.html
Users communicate with the plugin by modifying the set of rules stored in this table. The plugin communicates information to users by setting the table's message column. Note The rules table is loaded into the plugin by the flush_rewrite_rules ...
https://dev.mysql.com/doc/refman/8.0/en/ldap-pluggable-authentication.html
LDAP pluggable authentication provides these capabilities: External authentication: LDAP authentication enables MySQL Server to accept connections from users defined outside the MySQL grant tables in LDAP directories. The following tables show the ... Note LDAP pluggable authentication is an extension included in MySQL Enterprise Edition, a commercial ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rules-examples.html
If you use a combination of database-level and table-level replication filtering options, the replica first accepts or ignores events using the database options, then it evaluates all events permitted by those options according to the table options. With row-based format, DML statements are handled based on the database where the modified table ...It is also important to note that the results vary ...
https://dev.mysql.com/doc/refman/8.0/en/storage-engines.html
(The CREATE TABLE statement in MySQL 8.0 creates InnoDB tables by default.) MySQL Server uses a pluggable storage engine architecture that enables storage engines to be loaded into and unloaded from a running MySQL server. You can create tables with ... Storage engines are MySQL components that handle the SQL operations for different table ...
https://dev.mysql.com/doc/refman/8.0/en/password-management.html
To establish policy for individual accounts, use the PASSWORD EXPIRE option of the CREATE USER and ALTER USER statements. To establish policy for individual accounts, use the PASSWORD HISTORY and PASSWORD REUSE INTERVAL options of the CREATE USER ...
https://dev.mysql.com/doc/refman/8.0/en/compressed-format.html
Compressed tables have the following characteristics: Compressed tables take very little disk space. The header for a row takes up one to three bytes depending on the biggest row in the table. Note While a compressed table is read only, and you ...