How to convert mysql var to date

Mysql var to date method: First use the str_to_date function to convert its varchar type to date type; then sort from small to large.

Recommended: "mysql video tutorial"

The following table:

First use the str_to_date function to convert its varchar type to date type, and then sort from small to large

Syntax: select str_to_date(class_time,'%Y%m%d %H: %i:%s') a from a order by a desc ;

## Let’s take a look at the date format of varchar type in Oracle Convert date type

Convert date format from varchar type in oracle

SELECT to_char(to_date(m.ma_datetime,'yyyy-MM-dd hh24:mi:ss'),
 'yyyyMMdd') FROM my_task m;

m.ma_datetime is a date format of varchar2 type, first convert date type

(Must add hours, minutes and seconds, otherwise ora-01830 error will be reported)

Then convert it to varchar type as you like

The above is the detailed content of How to convert mysql var to date. For more information, please follow other related articles on the PHP Chinese website!