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https://dev.mysql.com/doc/refman/8.0/en/charset-errors.html
The encoding uses Unicode code point values: Characters in the Basic Multilingual Plane (BMP) range (0x0000 to 0xFFFF) are written using \nnnn notation. This section describes how the MySQL server uses character sets for constructing error messages. For information about the language of error messages (rather than the character set), see Section 12.12, “Setting the Error Message ...
https://dev.mysql.com/doc/refman/8.0/en/charset-unicode-utf16.html
The utf16 character set is the ucs2 character set with an extension that enables encoding of supplementary characters: For a BMP character, utf16 and ucs2 have identical storage characteristics: same code values, same encoding, same length. For a ...
https://dev.mysql.com/doc/refman/8.0/en/charset-we-sets.html
This means it is the same as the official ISO 8859-1 or IANA (Internet Assigned Numbers Authority) latin1, except that IANA latin1 treats the code points between 0x80 and 0x9f as “undefined,” whereas cp1252, and therefore MySQL's latin1, assign ... Western European character sets cover most West European languages, such as French, Spanish, Catalan, Basque, Portuguese, Italian, Albanian, Dutch, German, Danish, Swedish, Norwegian, Finnish, Faroese, Icelandic, Irish, Scottish, and ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-limitations.html
Before 8.0.37, the point release number also had to match, so cloning the likes of 8.0.36 to 8.0.42 or vice-versa is not permitted Prior to MySQL 8.0.27, DDL on the donor and recipient, including TRUNCATE TABLE, is not permitted during a cloning ...
https://dev.mysql.com/doc/refman/8.0/en/clone-plugin-monitoring.html
You can monitor the status and progress of a cloning operation on the recipient MySQL server instance using the clone_status and clone_progress Performance Schema tables. Note The clone_status and clone_progress Performance Schema tables can be used ...
https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html
Table 14.4 Comparison Operators Name Description > Greater than operator >= Greater than or equal operator < Less than operator <>, != Not equal operator <= Less than or equal operator <=> NULL-safe equal to operator = Equal operator BETWEEN ...
https://dev.mysql.com/doc/refman/8.0/en/connection-access.html
From the MySQL server's point of view, the encrypted password is the real password, so you should never give anyone access to it. When you attempt to connect to a MySQL server, the server accepts or rejects the connection based on these conditions: ...
https://dev.mysql.com/doc/refman/8.0/en/connection-control-variables.html
If an account has reached the point where connection responses are delayed, a delay also occurs for the next subsequent successful connection. This section describes the system and status variables that the CONNECTION_CONTROL plugin provides to ...
https://dev.mysql.com/doc/refman/8.0/en/constant-folding-optimization.html
row *************************** Level: Note Code: 1003 Message: /* select#1 */ select `test`.`t`.`ti` AS `ti` from `test`.`t` where (`test`.`t`.`ti` = 255) 1 row in set (0.00 sec) Floating- or fixed-point value. Comparisons between constants and ...
https://dev.mysql.com/doc/refman/8.0/en/create-event.html
To create an event which occurs at some point in the future relative to the current date and time—such as that expressed by the phrase “three weeks from now”—you can use the optional clause + INTERVAL interval. CREATE [DEFINER = user] EVENT ...