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https://dev.mysql.com/doc/refman/8.4/en/insert.html
The following statement is invalid because it contains one list of nine values, rather than three lists of three values each: INSERT INTO tbl_name (a,b,c) VALUES(1,2,3,4,5,6,7,8,9); VALUE is a synonym for VALUES in this context. The trailing ...
https://dev.mysql.com/doc/refman/8.4/en/installing-source-distribution.html
To install MySQL from a standard source distribution: Verify that your system satisfies the tool requirements listed at Section 2.8.2, “Source Installation Prerequisites”. Obtain a distribution file using the instructions in Section 2.1.3, ...
https://dev.mysql.com/doc/refman/8.4/en/keyring-okv-plugin.html
If the key file is password-protected, the ssl directory can contain a single-line text file named password.txt containing the password needed to decrypt the key file. For example, use a command like this, and enter the encryption password at the ...
https://dev.mysql.com/doc/refman/8.4/en/monitor-innodb-mutex-waits-performance-schema.html
For example, to disable InnoDB mutex wait event instruments related to full-text search, add the following rule: performance-schema-instrument='wait/synch/mutex/innodb/fts%=OFF' Note Rules with a longer prefix such as wait/synch/mutex/innodb/fts% ...
https://dev.mysql.com/doc/refman/8.4/en/myisam-storage-engine.html
MyISAM is based on the older (and no longer available) ISAM storage engine but has many useful extensions. Table 18.2 MyISAM Storage Engine Features Feature Support B-tree indexes Yes Backup/point-in-time recovery (Implemented in the server, rather ...
https://dev.mysql.com/doc/refman/8.4/en/myisampack.html
When the table is used later, the server reads into memory the information needed to decompress columns. This results in much better performance when accessing individual rows, because you only have to uncompress exactly one row. MySQL uses mmap() ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-example-data.html
Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with database tables and data in NDB Cluster is not much different from doing so in standard MySQL. There are two key points to keep in ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndb-innodb-engines.html
The NDB storage engine is implemented using a distributed, shared-nothing architecture, which causes it to behave differently from InnoDB in a number of ways. For those unaccustomed to working with NDB, unexpected behaviors can arise due to its ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-cluster-operations.html
The cluster_operations table provides a per-operation (stateful primary key op) view of all activity in the NDB Cluster from the point of view of the local data management (LQH) blocks (see The DBLQH Block). (Currently, the MySQL Server does not ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-operations-per-fragment.html
Note When using tot_key_writes, you should keep in mind that a write operation in this context updates the row if the key exists, and inserts a new row otherwise. The operations_per_fragment table provides information about the operations performed ...