Database Software

Database Software
Database software is a program that controls the structure of database and access to the data. In other words, a database is any electronically stored collection of data in a computer system.

These computer based are organized according to their common elements so that data can be retrieved easily.

A database management system is a software that controls and manipulate the structure of a database.

Principal features of database software are as follows:

- Data base creation. Users can create a database by creating files (or tables). Each table has several fields. A field is a string of one or more characters. A field can have the attribute of text, data number, even object. After the format of a table is created users can input records into database. A record is collection of related fields. An example is a person’s name, address and phone number.

- File or report selection and display. After a database (consisting of several files) is created, users can manipulate this database by issuing queries. The function of a query is to screen all records by defined criteria.

- Database update. Users can deleted, add, or change record in a data file.

- Database calculation and formatting. Some database management system contains built in mathematical formulas. This feature can be used, for example, to find the average number of a selected group, as to find the average age of all customers who live in California.
Database Software