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https://dev.mysql.com/doc/refman/8.0/en/intersect.html
query_expression_body INTERSECT [ALL | DISTINCT] query_expression_body [INTERSECT [ALL | DISTINCT] query_expression_body] [...] query_expression_body: See Section 15.2.14, “Set Operations with UNION, INTERSECT, and EXCEPT” INTERSECT limits the ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-consumer-configurations.html
The consumer settings in the setup_consumers table form a hierarchy from higher levels to lower. The setup_consumers table contains the following hierarchy of values: global_instrumentation thread_instrumentation events_waits_current ...The ...
https://dev.mysql.com/doc/refman/8.0/en/programs-overview.html
mysql_tzinfo_to_sql This program loads the time zone tables in the mysql database using the contents of the host system zoneinfo database (the set of files describing time zones). It updates the grant tables with any changes that have been made in ...Later sections provide a more detailed description of each one, with the exception of NDB Cluster ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-index-columns.html
This table provides information about indexes on NDB tables. The columns of the index_columns table are listed here, along with brief descriptions: table_id Unique ID of the NDB table for which the index is defined Name of the database containing ...
https://dev.mysql.com/doc/refman/8.0/en/using-encrypted-connections.html
New connections established after execution of ALTER INSTANCE RELOAD TLS use the new TLS context. These system variables on the server side specify the certificate and key files the server uses when permitting clients to establish encrypted ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-conversion.html
Tables can be converted from utf8mb3 to utf8mb4 by using ALTER TABLE. Otherwise, you should be able to convert your tables from utf8mb3 to utf8mb4 without problems, using ALTER TABLE as described previously. In terms of table content, conversion ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-basics.html
Exception: For tables created using the MAX_ROWS option, this statement does not work; instead, use ALTER TABLE ... ALGORITHM=INPLACE, REORGANIZE PARTITION statement in the mysql client for each NDBCLUSTER table. Note This needs to be done only for ... In this section, we list the basic steps required to add new data nodes to an NDB ...
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 ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-delete-all.html
In some cases, this can be much faster than DELETE or even TRUNCATE TABLE. Usage ndb_delete_all -c connection_string tbl_name -d db_name This deletes all rows from the table named tbl_name in the database named db_name. Options that can be used with ...--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving ...
https://dev.mysql.com/doc/refman/8.0/en/all-subqueries.html
The expression is TRUE if table t2 contains (-5,0,+5) because 10 is greater than all three values in t2. The expression is FALSE if table t2 contains (12,6,NULL,-100) because there is a single value 12 in table t2 that is greater than 10. The ...