What is the mysql format function?

Mysql formatting function is: 1. [DATE_FORMAT(date,fmt)] formats the date value according to the string fmt; 2. [FORMAT(x,y)] formats x as separated by commas Open digital sequence, y is the number of decimal places; 3. [INET_ATON(ip)] returns the IP address.

mysql format function is:

1, DATE_FORMAT(date,fmt) : Format the date value according to the string fmt.

2, FORMAT(x,y): Format x into a sequence of numbers separated by commas, y is the number of decimal places in the result.

3, INET_ATON(ip): Returns the numerical representation of the IP address.

4, INET_NTOA(num): Returns the IP address represented by the number.

5, TIME_FORMAT(time,fmt): Format the time value according to the string fmt.

The simplest of them is the FORMAT() function, which can format large numerical values ​​into an easy-to-read sequence separated by commas.

Example:

SELECT FORMAT(34234.34323432,3);
SELECT DATE_FORMAT(NOW(),'%W,%D %M %Y %r');
SELECT DATE_FORMAT(NOW(),'%Y-%m-%d');
SELECT DATE_FORMAT(19990330,'%Y-%m-%d');
SELECT DATE_FORMAT(NOW(),'%h:%i %p');
SELECT INET_ATON('10.122.89.47');
SELECT INET_NTOA(175790383);

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