/* What is a sub-query? How does sql process a statement containing sub-query? Question: Find the employees who's salary is more than the average salary earned by all employees /* Find the average ...

SQL statements with subqueries are readable. Most people, especially if they are familiar with the role of subordinate clauses in English, can figure that a subquery-containing SQL statement can be ...

What Does SELECT (Databases) Mean? A SELECT is the fundamental statement of structured query language (SQL). The SELECT statement, which follows a consistent and specific format, begins with the ...

XML is often used to represent objects that expose different sets of properties. This "property bag" scenario is a prominent use case for the XML support added to Microsoft SQL Server 2005. However, ...