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https://dev.mysql.com/doc/refman/8.4/en/keyring-oci-component.html
mysql> SELECT * FROM performance_schema.keyring_keys; +-----------------------------+--------------+----------------+ | KEY_ID | KEY_OWNER | BACKEND_KEY_ID | +-----------------------------+--------------+----------------+ | ... Note The Oracle Cloud ...
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 ...
https://dev.mysql.com/doc/refman/8.4/en/manual-info.html
INTO OUTFILE is shorthand for the form of SELECT statement that has an INTO OUTFILE clause following other parts of the statement. This is the Reference Manual for the MySQL Database System, version 8.4, through release 8.4.6. Differences between ...
https://dev.mysql.com/doc/refman/8.4/en/monitor-innodb-mutex-waits-performance-schema.html
mysql> SELECT * FROM performance_schema.setup_instruments WHERE NAME LIKE '%wait/synch/mutex/innodb%'; +-------------------------------------------------------+---------+-------+ | NAME | ENABLED | TIMED | ... A mutex is a synchronization mechanism ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-limitations-syntax.html
In such cases, statistical information is not generated, which means a nonoptimal execution plan may be selected. Some SQL statements relating to certain MySQL features produce errors when used with NDB tables, as described in the following list: ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-option-tables.html
ndb_optimized_node_selection: Determines how SQL node chooses cluster data node to use as transaction coordinator. ndb_use_exact_count: Forces NDB to use a count of records during SELECT COUNT(*) query planning to speed up this type of query. The ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-blob-tool.html
--ndb-optimized-node-selection Command-Line Format --ndb-optimized-node-selection Enable optimizations for selection of nodes for transactions. This tool can be used to check for and remove orphaned BLOB column parts from NDB tables, as well as to ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
--ndb-optimized-node-selection Command-Line Format --ndb-optimized-node-selection Enable optimizations for selection of nodes for transactions. This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-delete-all.html
--ndb-optimized-node-selection Command-Line Format --ndb-optimized-node-selection Enable optimizations for selection of nodes for transactions. In some cases, this can be much faster than DELETE or even TRUNCATE TABLE. Usage ndb_delete_all -c ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-drop-table.html
--ndb-optimized-node-selection Command-Line Format --ndb-optimized-node-selection Enable optimizations for selection of nodes for transactions. Usage ndb_drop_table -c connection_string tbl_name -d db_name Options that can be used with ...