How do you store date and time in SQL?

How do you store date and time in SQL?

SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE – format YYYY-MM-DD….SQL Date Data Types

  1. DATE – format YYYY-MM-DD.
  2. DATETIME – format: YYYY-MM-DD HH:MI:SS.
  4. YEAR – format YYYY or YY.

How is time stored in SQL?

According to SQL Server documentation, the database engine stores a DATETIME value as two integers. The first integer represents the day and the second integer represents the time. 003 seconds after midnight. That means the time 00:00:00.003 is stored as 1, and the time 00:00:01.000 is stored as 300.

How do you store time in a database?

Many options exist – the big 3 are:

  1. Use an INTEGER storing Unix time_t values (Seconds since 01/01/1970) (If you go this route make sure you use at least a 64-bit integer)
  2. Use the SQL Date and Time types. ( TIME , DATETIME , TIMESTAMP , etc. – List of available types varies per DB server)

How does DB store date time?

To store information in a database, I would use a char column-type to store the whole America/Santiago timezone identifier and another char column-type to store the date/time (in the yyyy-mm-dd hh:ii:ss format). Alternatively, you can pick a ‘datetime’ column-type, as long as that type ignores timezones altogether.

Which data type is used to store date and time?


Data type Comments
DateTime Is used to store date and time between 01/01/1753 to 31/12/9999. Minimum unit of time it keeps is milliseconds with an accuracy of 3.33 ms. Takes 8 bytes for storage.

Should I store timezone in database?

It’s recommended to store the timezone identifier such as America/Los_Angeles . There is a full list of time zones which most datetime libraries natively support.


Back to Top