What Is In A Database?


What does a database consist of?

A database is a table consisting of columns (fields) and rows (records) where each column contains a specific attribute and each row features a certain value for the corresponding attribute.

What are examples of a database?

They include databases like SQL Server, Oracle Database, Sybase, Informix, and MySQL. The relational database management systems (RDMS) feature much better performance for managing data over desktop database programs.

How does a database work?

A relational database stores data in tables. Tables are organized into columns, and each column stores one type of data (integer, real number, character strings, date, …). The data for a single “instance” of a table is stored as a row. To improve access time to a data table you define an index on the table.

Is Excel a database?

An Excel database is merely a spreadsheet with rows and columns of data, organized and formatted in a way that spreadsheet formulas can use the data easily. Excel databases can have two orientations.

Is Google a database?

Google is not a database, but it’s mostly made up of databases. Especially it’s main service, which is a search engine.