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https://dev.mysql.com/doc/refman/9.7/en/alter-library.html
Following execution of this statement, the updated comment can be viewed in the output of SHOW CREATE LIBRARY and in the ROUTINE_COMMENT column of the Information Schema LIBRARIES table. ALTER LIBRARY library_name COMMENT "comment_text" This ...
https://dev.mysql.com/doc/refman/9.7/en/binary-log-setting.html
Examples include all DDL (data definition language) statements such as CREATE TABLE, ALTER TABLE, or DROP TABLE. You can select the binary logging format explicitly by starting the MySQL server with --binlog-format=type. The supported values for ...
https://dev.mysql.com/doc/refman/9.7/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/9.7/en/case-sensitivity.html
For nonbinary strings (CHAR, VARCHAR, TEXT), string searches use the collation of the comparison operands. For binary strings (BINARY, VARBINARY, BLOB), comparisons use the numeric values of the bytes in the operands; this means that for alphabetic ...
https://dev.mysql.com/doc/refman/9.7/en/case.html
(The indentation used here in the ELSE clause is for purposes of clarity only, and is not otherwise significant.) DELIMITER | CREATE PROCEDURE p() BEGIN DECLARE v INT DEFAULT 1; CASE v WHEN 2 THEN SELECT v; WHEN 3 THEN SELECT 0; ELSE BEGIN END; END ... CASE case_value WHEN when_value THEN statement_list [WHEN when_value THEN statement_list] ...
https://dev.mysql.com/doc/refman/9.7/en/charset-binary-collations.html
This section describes how the binary collation for binary strings compares to _bin collations for nonbinary strings. Binary strings (as stored using the BINARY, VARBINARY, and BLOB data types) have a character set and collation named binary.
https://dev.mysql.com/doc/refman/9.7/en/charset-collation-names.html
For Unicode character sets, the xxx_general_mysql500_ci collations preserve the pre-5.1.24 ordering of the original xxx_general_ci collations and permit upgrades for tables created before MySQL 5.1.24 (Bug #27877). MySQL collation names follow ...
https://dev.mysql.com/doc/refman/9.7/en/charset-conversion.html
If you specified attributes when creating a column initially, you should also specify them when altering the table with ALTER TABLE. To convert a binary or nonbinary string column to use a particular character set, use ALTER TABLE. For successful ...
https://dev.mysql.com/doc/refman/9.7/en/charset-national.html
For example, these data type declarations are equivalent: CHAR(10) CHARACTER SET utf8 NATIONAL CHARACTER(10) NCHAR(10) As are these: VARCHAR(10) CHARACTER SET utf8 NATIONAL VARCHAR(10) NVARCHAR(10) NCHAR VARCHAR(10) NATIONAL CHARACTER VARYING(10) ...
https://dev.mysql.com/doc/refman/9.7/en/charset-server.html
The server character set and collation are used as default values if the database character set and collation are not specified in CREATE DATABASE statements. MySQL Server has a server character set and a server collation. By default, these are ...