The data can be recovered in case of loss by using:
Correct answer: B. Backup File
- A. Master File
- B. Backup File
- C. Transaction File
- D. Data File
Explanation
Backup is used to store a copy of important data in a database. The recovery process uses the data in backup if the original data is damaged due to any reason.
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Databases cover tables, records, fields, keys and relationships, together with database management systems and relational database design. The subject includes primary and foreign keys, normalization, SQL commands such as SELECT, INSERT, UPDATE and DELETE, queries, forms and reports, while distinguishing a database from a spreadsheet used for simple tabular data.
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