Continuing with his series on changes in SQL Server 2008, Arshad Ali takes a look at table enhancements and new data types.  Read more...

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To find date at nth occurrence of a weekday in a month and year  Read more...

Continuing with his series on changes in SQL Server 2008, Arshad Ali takes a look at table enhancements and new data types.  Read more...

In the first of a series of articles on the tricks of tackling temporal data in SQL, Joe Celko discusses SQL's temporal data types and agonizes over the fact that, although there are ANSI/ISO Standards for temporal operations in SQL, every vendor has something different.  Read more...

I need to write a function to determine if particular year is a leap year (i.e. February contains 29 days rather than 28 days). I know that there are various rules for calculating leap years. Is there an easy way to figure this out? Can you provide an example or two to validate various years?  Read more...

Calculates a past or future date based upon supplied parameters. Returns a datetime  Read more...

This article is going to cover the newly introduced data types in SQL Server 2008 July CTP, and will specifically discuss the DATETIME functions.  Read more...

Finding missing data in a sequence of numbers or dates is a common request of DBAs. Regular author Jacob Sebastian brings us a new article that shows just how you can do this.  Read more...

You Can Find Some Date Functions and extracting the different Date Formats using the Convert and Cast  Read more...

A set of user defined functions used to calculate the number of business or working hours (excluding the non working hours) that have passed since a certain point of time.  Read more...

Older versions of SQL Server had only one datatype to store both the date and time values. In SQL Server 2008, Microsoft introduces a set of new datatypes that store date and time individually, and both date and time together.  Read more...

In SQL Server 2008 we get a new DATE date type that allows you to store a date without a time.  Read more...

Calculates the nth due date for any given date, while accounting for weekends.  Read more...

What is the best way to return the "duration" of an event in SQL, given the start and end datetime values? How can we add up these durations to return grand totals? What data types should be used to return this data to our clients? How do we handle overflows, such as when hours go over 23 or minutes total up to over 59? Are there any T-SQL functions or other techniques that are useful in these scenarios?   Read more...