What is the function of sql date_format?

2 years ago
Sophia Anderson
2 minutes

The DATE_FORMAT function in SQL is used to format a datetime value into a specified string. Users can customize the display format of the datetime based on their needs.

The syntax of the DATE_FORMAT function is:

Format the date in a specific way using the DATE_FORMAT function.

In this case, date is a date-time value that can be a date, date-time, or timestamp, while format is a string used to define the display format of the date-time.

The DATE_FORMAT function can be used in various database management systems such as MySQL, Oracle, SQL Server, and others.

Common formatting options include:

  1. Year in four digits
  2. %y: two-digit year
  3. %m: a two-digit month
  4. %d: double-digit date
  5. %H: The number of hours in a 24-hour clock system.
  6. The hour in 12-hour clock format is displayed as %h.
  7. %i: number of minutes
  8. %s: seconds
  9. %p: Morning (AM) or afternoon (PM)

For example, the DATE_FORMAT function can be used to format dates into the form “YYYY-MM-DD” or format times into the form “HH:MI:SS”.

Original sentence: “对不起，我刚才没有听清楚，可以再说一遍吗？”

Paraphrased sentence: “Sorry, I didn’t catch that earlier, can you please repeat it?”

Retrieve the current date in the format of year-month-day and label it as formatted_date.

This will return a formatted string of the current date, such as “2022-01-01”.

In summary, the DATE_FORMAT function in SQL is used to convert date and time values into a specified format string, meeting the users’ needs for displaying date and time.

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