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https://dev.mysql.com/doc/heatwave-aws/en/hw-aws-upgrading-mysql-8.0-8.4.html
The AUTO_INCREMENT option is no longer allowed in FLOAT and DOUBLE data types. Upgrade fails if you have a table that contains a FLOAT or DOUBLE column with AUTO_INCREMENT. Upgrading MySQL 8.0 BugFix to MySQL 8.4 LTS 3.1.2.2.1 Upgrading MySQL 8.0 ...
https://dev.mysql.com/doc/refman/8.4/en/data-type-defaults.html
Implicit defaults are defined as follows: For numeric types, the default is 0, with the exception that for integer or floating-point types declared with the AUTO_INCREMENT attribute, the default is the next value in the sequence. Data type ...
https://dev.mysql.com/doc/refman/8.4/en/data-types.html
For floating-point and fixed-point types, M is the total number of digits that can be stored (the precision). D applies to floating-point and fixed-point types and indicates the number of digits following the decimal point (the scale). MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/flow-control-functions.html
If expr2 or expr3 produce a floating-point value, the result is a floating-point value. The second syntax returns the result for the first condition that is true. If no comparison or condition is true, the result after ELSE is returned, or NULL if ...
https://dev.mysql.com/doc/refman/8.4/en/insert.html
For example, inserting the string '1999.0e-2' into an INT, FLOAT, DECIMAL(10,6), or YEAR column inserts the value 1999, 19.9921, 19.992100, or 1999, respectively. For the FLOAT and DECIMAL columns, the string-to-number conversion considers the ...
https://dev.mysql.com/doc/refman/8.4/en/precision-math-expressions.html
(If strict SQL mode is not enabled, truncation for INSERT is permissible.) Handling of a numeric expression depends on what kind of values the expression contains: If any approximate values are present, the expression is approximate and is evaluated ... With precision math, exact-value numbers are used as given whenever ...
MySQL 8.4 Reference Manual :: 19.2.1.3 Determination of Safe and Unsafe Statements in Binary Logging
https://dev.mysql.com/doc/refman/8.4/en/replication-rbr-safe-unsafe.html
In addition, statements using results from floating-point math functions—which are hardware-dependent—are always considered unsafe (see Section 19.5.1.12, “Replication and Floating-Point Values”). The “safeness” of a statement in MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/session-state-tracking.html
A client can enable these trackers to receive notification of changes to its session state. Uses for Session State Trackers Available Session State Trackers C API Session State Tracker Support Test Suite Session State Tracker Support Uses for ...
https://dev.mysql.com/doc/refman/8.4/en/storage-requirements.html
InnoDB Table Storage Requirements NDB Table Storage Requirements Numeric Type Storage Requirements Date and Time Type Storage Requirements String Type Storage Requirements Spatial Type Storage Requirements JSON Storage Requirements The storage ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-0.html
(WL #16057) Support for use of the AUTO_INCREMENT modifier with FLOAT and DOUBLE columns was deprecated in MySQL 8.0, and is now removed. Important Prior to upgrading to this release, you must alter any table having a FLOAT ... (Bug #36301441) Audit ...