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 ...

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 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 ...

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 ...

Dynamic T-SQL queries built from non-validated user input should never be included in a production application. Obtaining the Schema To generate a POCO class matching a query or stored procedure, use ...

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 ...