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https://dev.mysql.com/doc/refman/8.0/en/faqs-tablespace-encryption.html
To encrypt data in an InnoDB file-per-table tablespace, run ALTER TABLE tbl_name ENCRYPTION = 'Y'. To encrypt a general tablespace or the mysql tablespace, run ALTER TABLESPACE tablespace_name ENCRYPTION = 'Y'. Does the transportable tablespaces ...
https://dev.mysql.com/doc/refman/8.0/en/char.html
The length of a CHAR column is fixed to the length that you declare when you create the table. See Section 10.4.7, “Limits on Table Column Count and Row Size”. The following table illustrates the differences between CHAR and VARCHAR by showing ... The CHAR and VARCHAR types are similar, but differ in the way they are stored and ...
https://dev.mysql.com/doc/refman/8.0/en/charset-collation-effect.html
latin1_swedish_ci latin1_german1_ci latin1_german2_ci Muffler Muffler Müller MX Systems Müller Muffler Müller MX Systems MX Systems MySQL MySQL MySQL The character that causes the different sort orders in this example is ü (German ...
https://dev.mysql.com/doc/refman/8.0/en/cursor-restrictions.html
In MySQL, a server-side cursor is materialized into an internal temporary table. Initially, this is a MEMORY table, but is converted to a MyISAM table when its size exceeds the minimum value of the max_heap_table_size and tmp_table_size system ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-components-installation.html
MySQL Enterprise Data Masking and De-Identification database table and components are: masking_dictionaries table Purpose: A table in the mysql system schema that provides persistent storage of dictionaries and terms. URN: ... As of MySQL 8.0.33, ...
https://dev.mysql.com/doc/refman/8.0/en/get-diagnostics.html
For example: mysql> GET DIAGNOSTICS CONDITION 1 @p5 = SCHEMA_NAME, @p6 = TABLE_NAME; mysql> SELECT @p5, @p6; +------+------+ | @p5 | @p6 | +------+------+ | | | +------+------+ In standard SQL, if there are multiple conditions, the first condition ... GET [CURRENT | STACKED] DIAGNOSTICS { statement_information_item [, statement_information_item] ...
https://dev.mysql.com/doc/refman/8.0/en/group-by-handling.html
To tell MySQL to accept the query, you can use the ANY_VALUE() function: SELECT name, ANY_VALUE(address), MAX(age) FROM t GROUP BY name; Alternatively, disable ONLY_FULL_GROUP_BY. SQL-92 and earlier does not permit queries for which the select ...
https://dev.mysql.com/doc/refman/8.0/en/group-by-modifiers.html
To work around the restriction that prevents using ROLLUP with ORDER BY and achieve a specific sort order of grouped results, generate the grouped result set as a derived table and apply ORDER BY to it. The GROUP BY clause permits a WITH ROLLUP ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/group-replication-limitations.html
Group Replication cannot be started following a MySQL Server upgrade that uses the MINIMAL option (--upgrade=MINIMAL), which does not upgrade system tables on which the replication internals depend. Note For a group in multi-primary mode, unless you ... Limit on Group Size Limits on Transaction Size The following known limitations exist for Group ...