Search Results
https://dev.mysql.com/doc/heatwave-aws/en/heatwave-aws-increase-dbsystem-storage.html
It is recommended that you create a backup of the DB System before updating the data storage size. Increasing Storage by Backup and Restore Create a backup of the DB System. Create a new DB System from the backup, and define a larger storage in the ... Increasing DB System Storage 3.4.7 Increasing DB System Storage You can increase the DB System storage by updating the data storage size of a DB System, by backup and restore, or by export and ...
https://dev.mysql.com/doc/refman/8.4/en/column-indexes.html
For additional information about column indexes, see Section 15.1.15, “CREATE INDEX Statement”. Index Prefixes FULLTEXT Indexes Spatial Indexes Indexes in the MEMORY Storage Engine Index Prefixes With col_name(N) syntax in an index specification ... The most common type of index involves a single column, storing copies of the values from that column in a data structure, allowing fast lookups for the rows with the corresponding column ...
https://dev.mysql.com/doc/refman/8.4/en/ddl-rewriter.html
MySQL 8.4 includes a ddl_rewriter plugin that modifies CREATE TABLE statements received by the server before it parses and executes them. The plugin removes ENCRYPTION, DATA DIRECTORY, and INDEX DIRECTORY clauses, which may be helpful when ...For ...
https://dev.mysql.com/doc/refman/8.4/en/derived-tables.html
The JSON_TABLE() function generates a table and provides another way to create a derived table: SELECT * FROM JSON_TABLE(arg_list) [AS] tbl_name ... For information about lateral derived tables preceded by the LATERAL keyword, see Section 15.2.15.9, ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-tables-table.html
CREATE_OPTIONS shows the ENCRYPTION clause specified for tables created in file-per-table tablespaces. The encryption clause is not shown for tables created in general tablespaces. When creating a table with strict mode disabled, the storage ...The ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-persistent-stats.html
You can also configure automatic statistics recalculation for individual tables by specifying the STATS_AUTO_RECALC clause when creating or altering a table. To override these system-wide settings and configure optimizer statistics parameters for ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/partitioning-subpartitions.html
Consider the following CREATE TABLE statement: CREATE TABLE ts (id INT, purchased DATE) PARTITION BY RANGE( YEAR(purchased) ) SUBPARTITION BY HASH( TO_DAYS(purchased) ) SUBPARTITIONS 2 ( PARTITION p0 VALUES LESS THAN (1990), PARTITION p1 VALUES LESS ... Subpartitioning—also known as composite partitioning—is the further division of each partition in a partitioned ...
https://dev.mysql.com/doc/refman/8.4/en/replication-snapshot-method.html
To select the appropriate method of dumping the database, choose between these options: Use the mysqldump tool to create a dump of all the databases you want to replicate. 19.1.2.5.1 Creating a Data Snapshot Using mysqldump To create a snapshot of ... If the source database contains existing data it is necessary to copy this data to each ...
https://dev.mysql.com/doc/refman/8.4/en/symbolic-links-to-databases.html
On Unix, symlink a database using this procedure: Create the database using CREATE DATABASE: mysql> CREATE DATABASE mydb1; Using CREATE DATABASE creates the database in the MySQL data directory and permits the server to update the data dictionary ...Stop the server to ensure that no activity occurs in the new database while it is being ...