What is a Database, Types and Models of Databases
WHAT IS A DATABASE? A database is an organized collection of data typically stored in electronic format, it allows you to input, manage, organize and retrieve data quickly. A data base are traditionally organized by records (row), fields (columns) stored in a table which are stored in a database file. This tables are collections of rows and columns that is used to organize information about a single topic. Each row corresponds to a single record and contains several attributes that describes the row. There are two types of the databases namely; The analytic database: these are primarily static, read only databases which stored archived, historical databases use for analysis. The operational database: these are used to manage more dynamic bits of data. This database allows you to do more than just view simply archived data. Operational databases allows you to modify the data. (Selena Sol, 2003) DATABASE MODELS Database models defines the logical structure and design...
