Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

One of the most common problems when running SQL Servers is slow queries. The help desk or database team usually hears that described as the application is slow or the database is slow. In the ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

This SQL feature allows you to query within a result set, creatively limit your result set, or correlate your results with an otherwise unrelated query in a single call to the database.

However, SQL Server 2016 also fully supports the rowset-to-JSON query scenario when you write a regular T-SQL query and then map results to JSON objects via the FOR JSON clause. For more information ...

Big Data Application Framework Gets Update, SQL Interface. News. Nov 19, 2013 3 mins. ... “This makes it easier for customers to query data with their favorite BI tool. ...