how to change date format of mysql table column

Question

I have created a table called event and it has a column birthday which is using the date format of %Y-%m-%d but I want it to be %d-%m-%Y . so, how can i update it?

when I enter new row with the format %d-%m-%Y it converts it to 0000-00-00 (%Y-%m-%d)

I tried following Queries to change format but it isn't working.

SELECT DATE_FORMAT(CURDATE(), '%d/%m/%Y') SELECT DATE_FORMAT(column_name, '%d/%m/%Y') FROM tablename

After executing this query it says rows affected and making all the values 0 000-00-00 .

Answer 1

This should work. I tried and works for me.

select DATE_FORMAT(birthday , '%d/%m/%Y') from event;

But what data type you have for birthday?

See this example.

Answer 2

尝试这个 ：

SELECT DATE_FORMAT(dateColumn,'%d/%m/%Y') AS dateColumn FROM table

Answer 3

如果您想插入（或更新）格式不正确的日期，您可以使用

INSERT INTO `event` (columname) VALUES (STR_TO_DATE('30/09/2014', '%d/%m/%Y'))