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https://dev.mysql.com/doc/refman/8.4/en/floating-point-types.html
The FLOAT and DOUBLE types represent approximate numeric data values. For FLOAT, the SQL standard permits an optional specification of the precision (but not the range of the exponent) in bits following the keyword FLOAT in parentheses, that is, ...
https://dev.mysql.com/doc/internals/en/floating-point-types.html
The MySQL Reference Manual has a discussion of floating-point numbers in Section 11.2 Numeric Types, including details about the storage. This means that FLOAT is stored as whatever the C type float is and REAL or DOUBLE [PRECISION] is stored as ...
https://dev.mysql.com/doc/refman/8.4/en/problems-with-float.html
Floating-point numbers sometimes cause confusion because they are approximate and not stored as exact values. A floating-point value as written in an SQL statement may not be the same as the value represented internally. Attempts to treat ...For ...
https://dev.mysql.com/doc/heatwave/en/mys-hw-supported-file-formats.html
The number of values should be within the limits of the vector's dimension, and the individual values should be in the range of float (32-bits). VECTOR LIST Must be a simple (non-nested) list of numeric type (All signed and unsigned integers or ...
https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
For floating-point and fixed-point data types, M is the total number of digits that can be stored. The UNSIGNED attribute is deprecated for columns of type FLOAT, DOUBLE, and DECIMAL (and any synonyms); you should expect support for it to be removed ... For integer data types, M indicates the minimum display ...
https://dev.mysql.com/doc/refman/8.4/en/type-conversion.html
The arguments are compared as decimal values if the other argument is a decimal or integer value, or as floating-point values if the other argument is a floating-point value. In all other cases, the arguments are compared as floating-point ... When ...
https://dev.mysql.com/doc/refman/8.4/en/replication-features-floatvalues.html
Because conversions between decimal and binary representations of them may be approximate, comparisons involving floating-point values are inexact. This is true for operations that use floating-point values explicitly, or that use values that are ...
https://dev.mysql.com/doc/refman/8.4/en/cast-functions.html
FLOAT[(p)] If the precision p is not specified, produces a result of type FLOAT. If p is provided and 0 <= < p <= 24, the result is of type FLOAT. This is actually FLOAT if the REAL_AS_FLOAT SQL mode is enabled; otherwise the result is of type ...
https://dev.mysql.com/doc/refman/8.4/en/mathematical-functions.html
For string or floating-point arguments, the return value has a floating-point type. For string or floating-point arguments, the return value has a floating-point type. mysql> SELECT RADIANS(90); -> 1.5707963267949 RAND([N]) Returns a random ...
https://dev.mysql.com/doc/internals/en/x-protocol-messages-messages.html
FLOAT .length Maximum number of displayable decimal digits (including the decimal point and .fractional_digits). Topics in this section: Message Structure Message Sequence Common Messages Connection Session Expectations CRUD SQL Result Sets ...