What is the difference between datetime and DateTime2 in SQL?

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.

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 is SQL datetime precision?

Defines a date that is combined with a time of day with fractional seconds that is based on a 24-hour clock. Use the time, date, datetime2 and datetimeoffset data types for new work. time, datetime2 and datetimeoffset provide more seconds precision.

What is datetime and DateTime2?

DATETIME2 has a date range of “0001 / 01 / 01” through “9999 / 12 / 31” while the DATETIME type only supports year 1753-9999. Also, if you need to, DATETIME2 can be more precise in terms of time; DATETIME is limited to 3 1/3 milliseconds, while DATETIME2 can be accurate down to 100ns. Both types map to System.

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 DateTime vs DateTime2?

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 mssql 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 Microsoft recommends to use this data type instead of DateTime & SmallDateTime.

What is a DateTime2?

Defines a date that is combined with a time of day that is based on 24-hour clock. datetime2 can be considered as an extension of the existing datetime type that has a larger date range, a larger default fractional precision, and optional user-specified precision.

How do I format a date in SQL Server?

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.

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.

What is datetime in SQL?

datetime (Transact-SQL) Defines a date that is combined with a time of day with fractional seconds that is based on a 24-hour clock. Use the time, date, datetime2 and datetimeoffset data types for new work.

What is date format in SQL?

In SQL Server, the data type DATE has two default Neutral Language Formats ‘YYYYMMDD’ ‘MM-DD-YYYY’ ( US-Based Format) In this SQL date format, the HireDate column is fed with the values ‘MM-DD-YYYY’.

What is the difference between datetime and DateTime2 in SQL?