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https://dev.mysql.com/doc/refman/5.7/en/alter-database.html
ALTER {DATABASE | SCHEMA} db_name UPGRADE DATA DIRECTORY NAME alter_option: { [DEFAULT] CHARACTER SET [=] charset_name | [DEFAULT] COLLATE [=] collation_name } ALTER DATABASE enables you to change the overall characteristics of a database. These ...
https://dev.mysql.com/doc/refman/5.7/en/alter-procedure.html
ALTER PROCEDURE proc_name [characteristic ...] characteristic: { COMMENT 'string' | LANGUAGE SQL | { CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA } | SQL SECURITY { DEFINER | INVOKER } } This statement can be used to change the ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-generated-columns.html
ALTER TABLE operations permitted for generated columns are ADD, MODIFY, and CHANGE. 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.
https://dev.mysql.com/doc/refman/5.7/en/batch-mode.html
In the previous sections, you used mysql interactively to enter statements and view the results. If you want the script to continue even if some of the statements in it produce errors, you should use the --force command-line option. Why use a ...
https://dev.mysql.com/doc/refman/5.7/en/begin-end.html
END syntax is used for writing compound statements, which can appear within stored programs (stored procedures and functions, triggers, and events). A compound statement can contain multiple statements, enclosed by the BEGIN and END keywords.
https://dev.mysql.com/doc/refman/5.7/en/binary-varbinary.html
The BINARY and VARBINARY types are similar to CHAR and VARCHAR, except that they store binary strings rather than nonbinary strings. This means they have the binary character set and collation, and comparison and sorting are based on the numeric ...
https://dev.mysql.com/doc/refman/5.7/en/binlog.html
It is generated by the mysqlbinlog program as the printable representation of certain events in binary log files. (See Section 4.6.7, “mysqlbinlog — Utility for Processing Binary Log Files”.) The 'str' value is a base 64-encoded string the ...
https://dev.mysql.com/doc/refman/5.7/en/bit-value-literals.html
A leading 0b is case-sensitive and cannot be written as 0B. In numeric contexts, MySQL treats a bit literal like an integer. To ensure numeric treatment of a bit literal, use it in numeric context. For example, a bit literal assigned to a ...
https://dev.mysql.com/doc/refman/5.7/en/channels-naming-conventions.html
Although you are generally free to use any name for channels, the following names are reserved: group_replication_applier group_replication_recovery The name you choose for a replication channel also influences the file names used by a multi-source ... This section describes how naming conventions are impacted by replication ...
https://dev.mysql.com/doc/refman/5.7/en/character-arrays.html
Each simple character set has a configuration file located in the sql/share/charsets directory. For a character set named MYSYS, the file is named MYSET.xml. <map> elements appear within these elements: <ctype> defines attributes for each character. <collation> elements indicate character ordering for comparison and sorting, one element per ...