Is date an integer in SQL?
It is stored as an integer format, not as a string as is the root format underlying the datetime data type within Microsoft SQL Server.
How is SQL date stored?
Internally dates are stored as 2 integers. The first integer is the number of dates before or after the base date (1900/01/01). The second integer stores the number of clock ticks after midnight, each tick is 1⁄300 of a second.
Is date a int?
A calendar date is stored internally as an integer value equal to the number of days since December 31, 1899. Because DATE values are stored as integers, you can use them in arithmetic expressions. For example, you can subtract a DATE value from another DATE value.
Do you use DATETIME data in SQL Server?
To answer your first question, I would recommend using the DATETIME data type within SQL Server. Not necessarily for performance reasons, but to leverage the RDBMS-specific functionality. For instance, you would have to re-invent a lot of logic just to do basic date math (think DATEDIFF (), DATEADD (), DATEPART () and many other functions.
Which is better, date or date data type?
Larger data footprint when compared to the Date data type. Honestly, you’re better off using the date data type IMHO. Thanks for contributing an answer to Database Administrators Stack Exchange!
How are data types converted in SQL Server?
When you convert between an application variable and a SQL Server result set column, return code, parameter, or parameter marker, the supported data type conversions are defined by the database API. Implicit and explicit conversion. Data types can be converted either implicitly or explicitly. Implicit conversions are not visible to the user.
Is there any advantage of keeping numeric date system?
I am working with a system where date is stored as integer (actual numeric (8,0)) and I have noticed that other systems also store date as int such as cisco in this thread. Example Is there any advantage of keeping numeric date system and not using SQL Datetime? Now I am trying to loop through numeric date to find customers between two dates.