Project Summary The SQL script in this repository demonstrates the use of subqueries in various clauses (WHERE, FROM, SELECT). The script first sets up a sample database for an online bookstore and ...

Scalar Sub-query is nothing but the query which only select one column or one expression and it will return only one row. There are two scenarios while working with the scalar subqueries : 1.If 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, ...

Subqueries in search conditions, scalar subqueries and nested table expressions are referred to as subqueries through the remainder of this topic. A subquery may include subqueries of its own, and ...

In MySQL it's about 4 seconds vs. about 1.5 minutes. I believe MySQL is creating a temporary table with the entire contents of the subquery where as SQL Server's optimizer is doing something smarter.