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 ...

I need to use a GUI SQL Query builder in a demo in the near future. Is there a decent, open-source one that generates plain ANSI SQL? Preferably through ODBC, but JDBC might work as well. The folks ...

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 ...

I've been playing around with the new Microsoft service, currently in preview and it's time to show off what it can do. Have you ever struggled with a database performance problem or ever struggled to ...

In October, Cloudera acquired Eventador, which developed a SQL-based streaming data analysis solution based on Apache Flink. With the work to integrate that product with the Cloudera Data Platform ...

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL, but ...

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 ...

at ultra fast management of millions of records. Valentina business products include Valentina Office Server for Windows and Mac OS X (PPC and Intel) and Valentina Studio, a fast and easy to use ...

Developers today use databases almost like languages. They might start on a good old relational database like MySQL, but then requirements shift a bit, so they sprinkle a little MongoDB on top. The ...

I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 minutes ...