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 ...

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 ...

SQL Server Management Studio or SSMS allows you to connect to the SQL server and execute queries. In this tutorial, we will see how you can install and configure SQL Server Management Studio in ...

With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations. If you have a large data source, such as an Access ...

Inside a relational database management system, the princi­pal persisted data structure is considered a logical relation. Operations performed against that data within the RDBMS result in a logical ...

The SQL query language was designed to provide programmers with a way to create, maintain and modify databases in a structured way. Using SQL, the programmer can add and remove items from databases as ...

A recent project at my current employer called for creating a new web frontend to an existing MSSQL database. My boss, having created a sophisticated MySQL and PHP-driven black diamond web site in PHP ...