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 ...

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 ...

DATA step views are very versatile because they can harness the power of SAS DATA step processing, including DO loops and IF-THEN-ELSE statements. DATA step views do not have write capability, that is ...

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 ...