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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.
Definition and Usage. The DATE_FORMAT () function formats a date as specified. Syntax. DATE_FORMAT (date, format) Parameter Values. Technical Details. More Examples. Example. Format a date: SELECT DATE_FORMAT ("2017-06-15", "%M %d %Y"); Try it Yourself » Example. Format a date: SELECT DATE_FORMAT ("2017-06-15", "%W %M %e %Y"); Try it Yourself »
The UPDATE statement is used to modify the existing records in a table. UPDATE Syntax. UPDATE table_name. SET column1 = value1, column2 = value2, ... WHERE condition; Note: Be careful when updating records in a table! Notice the . WHERE clause in the UPDATE statement. The WHERE clause specifies which record (s) that should be updated.
To format a date value to a specific format, you use the DATE_FORMAT() function. The syntax of the DATE_FORMAT function is as follows: DATE_FORMAT(date,format) Code language: SQL (Structured Query Language) ( sql )
Automatic initialization and updating to the current date and time can be specified using DEFAULT CURRENT_TIMESTAMP and ON UPDATE CURRENT_TIMESTAMP column definition clauses. By default, the first TIMESTAMP column has these properties, as previously noted.
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.
To define a column that includes a fractional seconds part, use the syntax type_name (fsp), where type_name is TIME, DATETIME, or TIMESTAMP, and fsp is the fractional seconds precision. For example: CREATE TABLE t1 (t TIME(3), dt DATETIME(6), ts TIMESTAMP(0)); The fsp value, if given, must be in the range 0 to 6.
