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https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-hw-queries.html
Running MySQL HeatWave Queries 10.1 Running MySQL HeatWave Queries When a MySQL HeatWave Cluster is enabled and the data you want to query is loaded in MySQL HeatWave, queries that qualify are automatically offloaded from the MySQL DB System to the ...
https://dev.mysql.com/doc/connector-j/en/connector-j-client-side-failover-xdevapi.html
This is a sample X DevAPI URL for configuring client-side failover: mysqlx://sandy:mypassword@[host1:33060,host2:33061]/test With the client-side failover configured, when there is a failure to establish a connection, Connector/J keeps attempting to ... When using the X Protocol, Connector/J supports a client-side failover feature for establishing a ...
https://dev.mysql.com/doc/connector-j/en/connector-j-reference-charsets.html
Setting the Character Encoding For Connector/J 8.0.25 and earlier: The character encoding between the client and the server is automatically detected upon connection (provided that the Connector/J connection properties characterEncoding and ...
https://dev.mysql.com/doc/refman/8.4/en/bit-value-literals.html
A leading 0b is case-sensitive and cannot be written as 0B. In numeric contexts, MySQL treats a bit literal like an integer. To ensure numeric treatment of a bit literal, use it in numeric context. For example, a bit literal assigned to a ...
https://dev.mysql.com/doc/refman/8.4/en/correlated-subqueries.html
A correlated subquery is a subquery that contains a reference to a table that also appears in the outer query. For example: SELECT * FROM t1 WHERE column1 = ANY (SELECT column1 FROM t2 WHERE t2.column2 = t1.column2); Notice that the subquery ...
https://dev.mysql.com/doc/refman/8.4/en/forcing-innodb-recovery.html
To investigate database page corruption, you might dump your tables from the database with SELECT ... Usually, most of the data obtained in this way is intact. Serious corruption might cause SELECT * FROM tbl_name statements or InnoDB background ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-views-table.html
You must have the SHOW VIEW privilege to access this table. The VIEWS table has these columns: TABLE_CATALOG The name of the catalog to which the view belongs. TABLE_SCHEMA The name of the schema (database) to which the view belongs. VIEW_DEFINITION ...
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/mysql-cluster-ndbinfo-locks-per-fragment.html
The locks_per_fragment table provides information about counts of lock claim requests, and the outcomes of these requests on a per-fragment basis, serving as a companion table to operations_per_fragment and memory_per_fragment. This table also ...
https://dev.mysql.com/doc/refman/8.4/en/mysqldumpslow.html
The MySQL slow query log contains information about queries that take a long time to execute (see Section 7.4.5, “The Slow Query Log”). mysqldumpslow parses MySQL slow query log files and summarizes their contents. Normally, mysqldumpslow ...