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https://dev.mysql.com/doc/refman/8.0/en/audit-api-message-emit.html
Because installing and uninstalling the audit_api_message_emit component installs and uninstalls the audit_api_message_emit_udf() function that the component implements, it is not necessary to use CREATE FUNCTION or DROP FUNCTION to do so. As of ...
https://dev.mysql.com/doc/refman/8.0/en/audit-log-legacy-filtering.html
Modifications to audit_log_include_accounts or audit_log_exclude_accounts affect only connections created subsequent to the modification, not existing connections. Note This section describes legacy audit log filtering, which applies if the ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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/8.0/en/bit-functions.html
Table 14.17 Bit Functions and Operators Name Description & Bitwise AND >> Right shift << Left shift ^ Bitwise XOR BIT_COUNT() Return the number of bits that are set | Bitwise OR ~ Bitwise inversion The following list describes available bit ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/calculating-days.html
CREATE TABLE t1 (year YEAR, month INT UNSIGNED, day INT UNSIGNED); INSERT INTO t1 VALUES(2000,1,1),(2000,1,20),(2000,1,30),(2000,2,2), (2000,2,23),(2000,2,23); The example table contains year-month-day values representing visits by users to the page. The following example shows how you can use the bit group functions to calculate the number of days per month a user has visited a Web ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/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/8.0/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 ...