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https://dev.mysql.com/doc/refman/8.4/en/innodb-page-compression.html
Page compression is enabled by specifying the COMPRESSION attribute with CREATE TABLE or ALTER TABLE. Enabling Page Compression To enable page compression, specify the COMPRESSION attribute in the CREATE TABLE statement. For example: CREATE TABLE t1 ... InnoDB supports page-level compression for tables that reside in file-per-table ...
https://dev.mysql.com/doc/heatwave/en/mys-hwaml-learn-with-genai.html
| | \n\nFirst, let's integrate the tables into one full table using a `CREATE TABLE ... Identify columns that should be excluded from training and provide a JSON array.\n\n```json | | \nJSON_ARRAY('x0', 'table_1_id', 'table_2_id', 'table_3_id', ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-partitions-table.html
PARTITION_EXPRESSION The expression for the partitioning function used in the CREATE TABLE or ALTER TABLE statement that created the table's current partitioning scheme. For each such row: The SUBPARTITION_NAME, SUBPARTITION_ORDINAL_POSITION, ...
https://dev.mysql.com/doc/refman/8.4/en/truncate-table.html
Logically, TRUNCATE TABLE is similar to a DELETE statement that deletes all rows, or a sequence of DROP TABLE and CREATE TABLE statements. It differs from DELETE in the following ways: Truncate operations drop and re-create the table, which is much ...To achieve high performance, TRUNCATE TABLE bypasses the DML method of deleting ...For ...
https://dev.mysql.com/doc/refman/8.4/en/partitioning-handling-nulls.html
We can verify this behavior by examining the effects on the file system of creating a table partitioned by HASH and populating it with a record containing appropriate values. If you insert a row into a table partitioned by RANGE such that the column ... Partitioning in MySQL does nothing to disallow NULL as the value of a partitioning expression, whether it is a column value or the value of a user-supplied ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-binary-log.html
For example, DDL statements such as CREATE TABLE and ALTER TABLE are always logged as statements, without regard to the logging format in effect, so the following statement-based rules for --binlog-do-db always apply in determining whether or not ...
https://dev.mysql.com/doc/refman/8.4/en/rebuilding-tables.html
If you need to rebuild an InnoDB table because a CHECK TABLE operation indicates that a table upgrade is required, use mysqldump to create a dump file and mysql to reload the file. For example, if t1 is an InnoDB table, use this statement: ALTER ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-example-data.html
To specify this, use the ENGINE=NDBCLUSTER or ENGINE=NDB option when creating the table: CREATE TABLE tbl_name (col_name column_definitions) ENGINE=NDBCLUSTER; Alternatively, for an existing table that uses a different storage engine, use ALTER ...
https://dev.mysql.com/doc/refman/8.4/en/implicit-commit.html
CREATE TABLE and DROP TABLE statements do not commit a transaction if the TEMPORARY keyword is used. (This does not apply to other operations on temporary tables such as ALTER TABLE and CREATE INDEX, which do cause a commit.) However, although no ...
https://dev.mysql.com/doc/refman/8.4/en/data-size.html
Row Format InnoDB tables are created using the DYNAMIC row format by default. To use a row format other than DYNAMIC, configure innodb_default_row_format, or specify the ROW_FORMAT option explicitly in a CREATE TABLE or ALTER TABLE statement. To ...