https://dev.mysql.com/c-api-data-structures.html
For example, if you retrieve a FLOAT column and the “widest” value is -12.345, max_length is 7 (the length of '-12.345'). This includes columns with a type of MYSQL_TYPE_DECIMAL, MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_TINY, MYSQL_TYPE_SHORT, ... This ...
https://dev.mysql.com/c-api-prepared-statement-type-conversions.html
Here are some examples: If you use MYSQL_TYPE_LONG with an int variable to pass an integer value to the server that is to be stored into a FLOAT column, MySQL converts the value to floating-point format before storing it. Prepared statements ...
https://dev.mysql.com/myisam-storage-engine.html
The only requirements for binary portability are that the machine uses two's-complement signed integers and IEEE floating-point format. MyISAM is based on the older (and no longer available) ISAM storage engine but has many useful extensions. Table ...
https://dev.mysql.com/numeric-functions.html
Table 12.10 Numeric Functions and Operators Name Description ABS() Return the absolute value ACOS() Return the arc cosine ASIN() Return the arc sine ATAN() Return the arc tangent ATAN2(), ATAN() Return the arc tangent of the two arguments CEIL() ...
https://dev.mysql.com/numeric-types.html
These types include the exact numeric data types (INTEGER, SMALLINT, DECIMAL, and NUMERIC), as well as the approximate numeric data types (FLOAT, REAL, and DOUBLE PRECISION). MySQL also treats REAL as a synonym for DOUBLE PRECISION (a nonstandard ...
https://dev.mysql.com/features.html
Data Types Many data types: signed/unsigned integers 1, 2, 3, 4, and 8 bytes long, FLOAT, DOUBLE, CHAR, VARCHAR, BINARY, VARBINARY, TEXT, BLOB, DATE, TIME, DATETIME, TIMESTAMP, YEAR, SET, ENUM, and OpenGIS spatial types. This section describes some ...
https://dev.mysql.com/choosing-types.html
This enables you to do all calculations with 64-bit integers and then convert results back to floating-point values as necessary. For optimum storage, you should try to use the most precise type in all cases. For example, if an integer column is ...
https://dev.mysql.com/mysql-shell-tutorial-python-documents-collections.html
When you are using MySQL as a Document Store, collections are containers within a schema that you can create, list, and drop. Collections contain JSON documents that you can add, find, update, and remove. The examples in this section use the ...
https://dev.mysql.com/comparison-operators.html
Whether a value is not within a range of values !=, <> Not equal operator NOT IN() Whether a value is not within a set of values NOT LIKE Negation of simple pattern matching STRCMP() Compare two strings Comparison operations result in a value of 1 ...
https://dev.mysql.com/other-vendor-data-types.html
To facilitate the use of code written for SQL implementations from other vendors, MySQL maps data types as shown in the following table. These mappings make it easier to import table definitions from other database systems into MySQL. If you create ...
