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 ...

This SQL statement, for example, joins the Customer and SalesOrder table: Select * From Customers As C JOIN SalesOrders As S On C.Id = S.CustId Where C.Id = 1 FOR JSON AUTO The result nests two ...

Thanks to the technology behind ChatGPT, it’s become surprisingly simple to query a data set in plain English. As with most generative AI, results from OpenAI’s API are still imperfect, which ...

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 ...

The following T-SQL query shows how to select only the countries that count more than 100 million inhabitants. The query mixes regular table columns and JSON properties: SELECT CountryCode, ...

Here's a look at different ways to query Hadoop via SQL, some of which are part of the latest edition of MapR's Hadoop distribution Topics Spotlight: AI-ready data centers ...

Insert the Microsoft SQL Server 2000 Enterprise Edition CD into your computer. Wait for the installation screen to appear on your computer. Click "Install Database Server" at the prompt that appears.

Tables, views, and queries may be blurred together. This facet is why a view may be described as simply a “named” query. As one composes SQL Select statements, the author may use another query in ...