Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

Although tables in SQL databases typically contain massive amounts of data, they’re not always in a format that can be used by data analysts. The data records in these tables need to be filtered ...

In this Microsoft SQL Server and JDBC tutorial, you'll learn how to connect to a Microsoft SQL Server in Java using JDBC. The steps are relatively straightforward: Each database is different, so ...

You can specify views in queries as if they were tables. The view derives its data from the tables or views that are listed in its FROM clause. The data accessed by a view are a subset or superset of ...

See performance gains by using indexed views in SQL Server Your email has been sent A view is a saved T-SQL query in SQL Server. The view definition is stored by SQL Server so that it can be used as a ...

A Version 6 PROC SQL Pass-Through view does not need to be updated to be used in Version 7 or Version 8. The conversion of PROC SQL Pass-Through views is automatic and does not require you to use the ...

A typical screen in your user interface probably combines data from several different tables. To handle that, I typically have my back-end processes generate Data Transfer Objects (DTOs) which combine ...

Microsoft gave users another reason to download its free SQL Server Reporting Services add-on when it acquired small, privately held ActiveViews. Actually, “small” in this context is something of a ...