WHAT IS DATABASE SOFTWARE LEARN ABOUT DATABASE SOFTWARE

DATABASE SOFTWARE

“A database is a computerized record-keeping system. Databases are used when a large quantity of data has to be stored.”

A database is very useful because it will provide tools to let the user search through the data that has been stored to find particular pieces of information. The data stored in a database must have a regular structure.

A database will typically consist of one or more files storing information relevant to the organization that has created the database. Each file is identified by a filename. Sometimes a file in a database is known as a data table.

 For example a database keeping information for a doctors surgery may contain the following files:

When you set up a database you decide on what files you want to create and what the structure of the records in the files should be. All the records in the same file must have the same structure. The structure of a record refers to the names of the fields that the record contains and the types of these fields. Databases are split up into separate files because:

·         Often you want to store information about different kinds of things (e.g. patients, employees) using different record structures. You need to use different files for the different structures.

·         Splitting up files can reduce data duplication, saving storage space and improving data consistency.
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