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https://dev.mysql.com/doc/refman/5.7/en/logical-operators.html
Most of this is common to different SQL database servers, although some servers may return any nonzero value for TRUE. Table 12.5 Logical Operators Name Description AND, && Logical AND NOT, ! Negates value OR, || Logical OR XOR Logical XOR In SQL, ...
https://dev.mysql.com/doc/refman/5.7/en/loop.html
[begin_label:] LOOP statement_list END LOOP [end_label] LOOP implements a simple loop construct, enabling repeated execution of the statement list, which consists of one or more statements, each terminated by a semicolon (;) statement delimiter.
https://dev.mysql.com/doc/refman/5.7/en/lz4-decompress.html
Invoke lz4_decompress like this: lz4_decompress input_file output_file Example: mysqlpump --compress-output=LZ4 > dump.lz4 lz4_decompress dump.lz4 dump.txt To see a help message, invoke lz4_decompress with no arguments. The lz4_decompress utility ...
https://dev.mysql.com/doc/refman/5.7/en/macos-installation-prefpane.html
This preference pane is installed by default, and is listed under your system's System Preferences window. The MySQL Installation Package includes a MySQL preference pane that enables you to start, stop, and control automated startup during boot of ...
https://dev.mysql.com/doc/refman/5.7/en/myisam-table-problems.html
The following discussion describes how this can happen and how to handle it. The file format that MySQL uses to store data has been extensively tested, but there are always circumstances that may cause database tables to become corrupted.
https://dev.mysql.com/doc/refman/5.7/en/mysql-acid.html
Because of the many possibilities depending on the capabilities of your CPU, network, and storage devices, this aspect is the most complicated to provide concrete guidelines for. The ACID model is a set of database design principles that emphasize ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-backup-concepts.html
Each node saves the same table definitions (for all tables in the cluster) to its own version of this file. A backup is a snapshot of the database at a given time. The data actually stored in the database tables at the time that the backup was made ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-shutdown-restart.html
For more information about doing this, see Section 21.6.5, “Performing a Rolling Restart of an NDB Cluster”. To shut down the cluster, enter the following command in a shell on the machine hosting the management node: $> ndb_mgm -e shutdown The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-windows.html
This section describes installation procedures for NDB Cluster on Windows hosts. NDB Cluster 7.5 and 7.6 binaries for Windows can be obtained from https://dev.mysql.com/downloads/cluster/. For information about installing NDB Cluster on Windows ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-disk-data.html
Extents require sufficient DiskPageBufferMemory; you must reserve enough for this parameter to account for all memory used by all extents (number of extents times size of extents). Disk data objects are subject to the following maximums and ...