Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had.If you wanted the database to handle more data and run ...

SQL Basics, Operating on Data in SQL, Creating Tables in SQL, and eight other interactive SQL courses. Some courses have free test drives, after which there may be a fee. There are seven ...

Excel possesses formidable database powers. Creating a relational database starts with a Master table that links to subordinates called (awkwardly) Slave, Child, or Detail tables.

A relational database management system, or RDBMS, is any program that's used to create and use a relational database. Most RBDMSs use Structured Query Language, or SQL, a programming language ...

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

Airtable is an online platform for creating, using, and sharing small relational databases. It’s not ready for enterprise users yet (that’s coming), but right now, if you want help managing ...

In other words, everything is a table. To step away a little from the term “table,” let’s use the word “grid.” Tables are grids, similar to spreadsheets that have rows, columns, and headers. In ...

Sample Database Diagram - SQL Server 7.0. Here is a sample E-commerce application database structure. For a relational database to work properly you should have a field in each database that uniquely ...