To activate Power Pivot, go to File > Options, click Add-ins, select COM Add-ins from the dropdown, and check the box for ...

For the most part, you're probably accustomed to using Microsoft Excel for tasks such as preparing reports, forecasts, and budgets. However, Excel is much more powerful than that. It can be used to ...

A relational database is a set of formally described tables from which data can be accessed or reassembled in many different ways without having to reorganize the database tables. The standard user ...

A question asked about data contained in two or more tables in a relational database. The relational query must specify the tables required and what the condition is that links them; for example, ...

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 faster, you ...

Relational database management systems (RDBMS) rely on an optimizer (or relational optimizer) that transforms SQL statements into executable code. Before any SQL statement can be run by the RDBMS, the ...

What is object-relational mapping (ORM)? Object-relational mapping (ORM) is a way to align programming code with database structures. ORM uses metadata descriptors to create a layer between the ...

Up through the first decade of the 21st century, the world of relational databases wasn’t a particularly exciting one. From their arrival in the 1970s, relational databases mostly supported rather ...

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 data for ...