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https://dev.mysql.com/doc/refman/5.7/en/partitioning-management.html
Note In MySQL 5.7, all partitions of a partitioned table must have the same number of subpartitions, and it is not possible to change the subpartitioning once the table has been created. This clause has the same syntax as that as used with CREATE ...
https://dev.mysql.com/doc/refman/5.7/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. 16.1.2.4.1 Creating a Data Snapshot Using mysqldump To create a snapshot of ... If the database on the source contains existing data it is necessary to copy this data to each ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-generated-columns.html
CREATE TABLE t1 (c1 INT); ALTER TABLE t1 ADD COLUMN c2 INT GENERATED ALWAYS AS (c1 + 1) STORED; The data type and expression of generated columns can be modified. CREATE TABLE t1 (c1 INT, c2 INT GENERATED ALWAYS AS (c1 + 1) STORED); ALTER TABLE t1 ... ALTER TABLE operations permitted for generated columns are ADD, MODIFY, and ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log.html
The binary log contains “events” that describe database changes such as table creation operations or changes to table data. The number increases each time the server creates a new log file, thus creating an ordered series of files. The server ...It also contains events for statements that potentially could have made changes (for example, a DELETE which matched no rows), unless row-based logging is ...
https://dev.mysql.com/doc/refman/5.7/en/blackhole-storage-engine.html
When you create a BLACKHOLE table, the server creates a table format file in the database directory. The setup for the source is: CREATE TABLE t1 (public_col_1, ..., public_col_N, secret_col_1, ..., secret_col_M) ENGINE=MyISAM; The setup for the ...
https://dev.mysql.com/doc/refman/5.7/en/cast-functions.html
Other Uses for Cast Operations The cast functions are useful for creating a column with a specific type in a CREATE TABLE ... SELECT statement: mysql> CREATE TABLE new_table SELECT CAST('2000-01-01' AS DATE) AS c1; mysql> SHOW CREATE TABLE ... Table ...
https://dev.mysql.com/doc/refman/5.7/en/charset-column.html
CREATE TABLE t1 ( col1 CHAR(10) CHARACTER SET utf8 COLLATE utf8_unicode_ci ) CHARACTER SET latin1 COLLATE latin1_bin; The character set and collation are specified for the column, so they are used. CREATE TABLE t1 ( col1 CHAR(10) CHARACTER SET utf8 ... Every “character” column (that is, a column of type CHAR, VARCHAR, a TEXT type, or any synonym) has a column character set and a column ...
https://dev.mysql.com/doc/refman/5.7/en/charset-examples.html
Example 1: Table and Column Definition CREATE TABLE t1 ( c1 CHAR(10) CHARACTER SET latin1 COLLATE latin1_german1_ci ) DEFAULT CHARACTER SET latin2 COLLATE latin2_bin; Here we have a column with a latin1 character set and a latin1_german1_ci ... The ...
https://dev.mysql.com/doc/refman/5.7/en/derived-tables.html
A derived table is an expression that generates a table within the scope of a query FROM clause. For example, a subquery in a SELECT statement FROM clause is a derived table: SELECT ... The [AS] tbl_name clause is mandatory because every table in a ...
https://dev.mysql.com/doc/refman/5.7/en/function-loading.html
Installing Loadable Functions Uninstalling Loadable Functions Reinstalling or Upgrading Loadable Functions Installing Loadable Functions To load a loadable function manually, use the CREATE FUNCTION statement. For example: CREATE FUNCTION metaphon ... Loadable functions, as the name implies, must be loaded into the server before they can be ...