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24 lut 2012 · I have a date field (tinytext) holding date information in format of "dd-mm-yy" e.g 07-01-90. Using a mysql query I want to change it to yyyy-mm-dd date format. I tried the code below but nothing happens. mysql_query("UPDATE Table SET date=STR_TO_DATE('date','%Y,%m,%d')");
22 wrz 2023 · Uncover the steps to change datetime formats in MySQL with this comprehensive guide. Learn about essential functions and commands, and how they can be utilized to manipulate your data for more efficient analysis.
In a MySQL database, the DATE_FORMAT() function allows you to display date and time data in a changed format. This function takes two arguments. The first is the date/datetime to be reformatted; this can be a date/time/datetime/timestamp column or an expression returning a value in one of these data types.
Following is the query to replace date format with MySQL STR_TO_DATE − mysql> SELECT STR_TO_DATE(REPLACE(DueDate,"'",''), '%c-%e-%Y %T') from DemoTable; This will produce the following output −
You can change the MySQL date format with a specific format using DATE_FORMAT(). Following is the syntax − select date_format(yourColumnName,yourFormatSpecifier) from yourTableName;
The DATE_FORMAT() function accepts two arguments: date : is a valid date value that you want to format. format : is a format string that consists of predefined specifiers. Each specifier is preceded by a percentage character ( % ). See the table below for a list of predefined specifiers.
You want to use STR_TO_DATE to first convert the incorrect string to a real date object, then use DATE_FORMAT to turn it back into a string of the format you want. Also, your WHERE condition won't work like that.
