Common questions

What is DateTime2 datatype?

What is DateTime2 datatype?

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 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 does DateTime2 7 mean?

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.

Should I use DateTime2?

The MSDN documentation for datetime recommends using datetime2. Here is their recommendation: Use the time , date , datetime2 and datetimeoffset data types for new work. datetime2 has larger date range, a larger default fractional precision, and optional user-specified precision.

What is 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).

What is difference between DateTime and datetime2?

What is the difference between datetime and datetime2 7?

Datetime2 was introduced with SQL Server 2008, so it is here long enough to draw some comparisons with its “older brother”. 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!

Should I use DateTimeOffset or datetime?

Use DateTimeOffset to enforce it, or use UTC DateTime by convention. If you need to track a moment of instantaneous time, but you want to also know “What time did the user think it was on their local calendar?” – then you must use a DateTimeOffset .

What is datetime2 in C#?

The . Net datetime is isomorphic with the SQL Server datetime2 type – the range of possible values is the same. It happens when you do not provide a value for a datetime in your C# (or VB) code which is to be stored in a non-nullable datetime field in the database.

What’s the difference between datetime and datetime2?

How do you compare dates in SQL?

The right way to compare date only values with a DateTime column is by using <= and > condition. This will ensure that you will get rows where date starts from midnight and ends before midnight e.g. dates starting with ’00:00:00.000′ and ends at “59:59:59.999”.

What are the SQL datetime formats?

How to format SQL Server dates with FORMAT function Use the FORMAT function to format the date and time To get DD/MM/YYYY use SELECT FORMAT (getdate (), ‘dd/MM/yyyy ‘) as date To get MM-DD-YY use SELECT FORMAT (getdate (), ‘MM-dd-yy’) as date Check out more examples below

How do I convert a string to a date in SQL?

SQL provides a CAST() function that allows you to convert a string to a date. The following illustrates the syntax of the CAST() function: 1. CAST (string AS DATE) In this syntax, the string can be any DATE value that is convertible to a date. The CAST() function returns a DATE value if it successfully converts the string to date.

How do I extract month from date in SQL?

To extract the month from a particular date, you use the EXTRACT() function. The following shows the syntax: 1. EXTRACT(MONTH FROM date) In this syntax, you pass the date from which you want to extract the month to the EXTRACT() function. The date can be a date literal or an expression that evaluates to a date value.