Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

This blog will help you when you need to select distinct records from a datatable on basis of selected columns. Suppose we have a datatable which holds the employee records. This datatable has ...

I'm anticipating this to be my last request for information on this topic but for the life of me I can't seem to see why this isn't working correctly. Rather, there's a HUGE lag when running this ...

A SELECT statement containing these predicates has the following parts. ALL: Assumed if you don't include one of the predicates. The Microsoft Access database engine selects all of the records that ...

As I mentioned Monday and in my Visual Studio 2008 review, I've been struggling with the finer points of LINQ queries. In a talkback comment to my review, "CSharper" pointed me at one solution to ...

Compares the equality of two expressions and guarantees a true or false result, even if one or both operands are NULL. Any valid expression. The expression can be a column, a constant, a function, a ...