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https://dev.mysql.com/doc/refman/5.7/en/view-updatability.html
For information about generated columns, see Section 13.1.18.7, “CREATE TABLE and Generated Columns”. They must not be expressions, such as these: 3.14159 col1 + 3 UPPER(col2) col3 / col4 (subquery) MySQL sets a flag, called the view ... Some ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-page-compression.html
Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. For page compression to work on Windows, the file system must be created with a cluster size smaller than 4K, and the innodb_page_size must be at ... InnoDB supports page-level compression for tables that reside in file-per-table ...
https://dev.mysql.com/doc/refman/5.7/en/precision-math-examples.html
Consider these statements: mysql> CREATE TABLE t (i INT, d DECIMAL, f FLOAT); mysql> INSERT INTO t VALUES(1,1,1); mysql> CREATE TABLE y SELECT AVG(i), AVG(d), AVG(f) FROM t; The result is a double only for the floating-point argument. This section ...
https://dev.mysql.com/doc/refman/5.7/en/replication-solutions-diffengines.html
Configuring different engines on the source and replica depends on how you set up the initial replication process: If you used mysqldump to create the database snapshot on your source, you could edit the dump file text to change the engine type used ... It does not matter for the replication process whether the source table on the source and the replicated table on the replica use different engine ...
https://dev.mysql.com/doc/refman/5.7/en/silent-column-changes.html
In some cases, MySQL silently changes column specifications from those given in a CREATE TABLE or ALTER TABLE statement. Trailing spaces are automatically deleted from ENUM and SET member values when the table is created. Specifying the CHARACTER ...These might be changes to a data type, to attributes associated with a data type, or to an index ...
https://dev.mysql.com/doc/refman/5.7/en/version-tokens-installation.html
To avoid this overhead, do not install it unless you plan to use it. This section describes how to install or uninstall Version Tokens, which is implemented in a plugin library file containing a plugin and loadable functions. For general information ...
https://dev.mysql.com/doc/refman/5.7/en/csv-storage-engine.html
When you create a CSV table, the server creates a table format file in the database directory. The storage engine also creates plain text data file having a name that begins with the table name and has a .CSV extension. If you examine the test.CSV ... The CSV storage engine stores data in text files using comma-separated values ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-bootstrap.html
For the purpose of demonstrating that the server is indeed in a group and that it is able to handle load, create a table and add some content to it. mysql> CREATE DATABASE test; mysql> USE test; mysql> CREATE TABLE t1 (c1 INT PRIMARY KEY, c2 TEXT ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-configuration.html
In this section, we discuss manual configuration of an installed NDB Cluster by creating and editing configuration files. (Create the file if it does not exist.) For example: $> vi /etc/my.cnf Note We show vi being used here to create the file, but ...For our four-node, four-host NDB Cluster (see Cluster nodes and host computers), it is necessary to write four configuration files, one per node ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-sql-format.html
This section describes how to use mysqldump to create SQL-format dump files. With --all-databases or --databases, mysqldump writes CREATE DATABASE and USE statements prior to the dump output for each database. This ensures that when the dump file ...For information about reloading such dump files, see Section 7.4.2, “Reloading SQL-Format ...