What is SQL Server DateTime2?

What is SQL Server DateTime2?

The DateTime2 is an SQL Server data type, that stores both date & time together. The time is based on the 24 hours clock. The DateTime2 stores the fractional seconds Up to 7 decimal places (1⁄10000000 of a second). The Precision is optional and you can specify it while defining the DateTime2 column.

What is DateTime2 scale?

DATETIME2(7) 0.0000001 seconds. 8 bytes. Note that if we leave out the scale, the default uses a scale of 7, with full 100-nanosecond accuracy.

What does DateTime2 0 mean?

DateTime2(0) will store datetime with no decimal values i.e YYYY-MM-DD hh:mm:ss SELECT CONVERT(DateTime2(0) , GETDATE()) RESULT: 2015-04-06 20:47:17. Storing data just as dates will only store dates i.e YYYY-MM-DD without any time values.

What is DATETIME2 data type?

DATETIME2. The DATETIME2 data type is an extension of the DATETIME data type. This new data type extends the range of acceptable dates and adds additional precisions to the time portion of the date/time value. The DATETIME2 column supports dates from 0001-01-01 through 9999-01-01.

What’s the difference between DateTime and DATETIME2?

The main difference is the way of data storage: while in Datetime type, the date comes first and then time, in Datetime2, 3 bytes, in the end, represents date part! Depending on precision, Datetime2 takes between 6 and 8 bytes of storage.

Does DATETIME2 store timezone?

the DateTime (and DateTime2 ) data type is not time-zone aware. The long version: Official documentation of DateTime clearly states that the DateTime data type does not support time zone (nor daylight savings time). Same is true for DateTime2 .

What is DATETIME2 vs datetime?

What is the syntax of datetime2 in SQL Server?

Introduction to SQL Server DATETIME2. To store both date and time in the database, you use the SQL Server DATETIME2 data type. The syntax of DATETIME2 is as follows: DATETIME2 (fractional seconds precision) The fractional seconds precision is optional. It ranges from 0 to 7.

How big is a datetime2 value in SQL?

The time has a range from 00:00:00 to 23:59:59.9999999. The storage size of a DATETIME2 value depends on the fractional seconds precision. It requires 6 bytes for the precision that is less than 3, 7 bytes for the precision that is between 3 and 4, and 8 bytes for all other precisions.

How to store both date and time in SQL Server?

To store both date and time in the database, you use the SQL Server DATETIME2 data type. The syntax of DATETIME2 is as follows: The fractional seconds precision is optional. It ranges from 0 to 7. The following statement illustrates how to create a table that consists of a DATETIME2 column:

When to use time, date, datetimeoffset in SQL?

Use the time, date, datetime2 and datetimeoffset data types for new work. These types align with the SQL Standard. They are more portable. time, datetime2 and datetimeoffset provide more seconds precision. datetimeoffset provides time zone support for globally deployed applications.