The relational model feature is that there
Correct answer: C. is much more data independence than some other database models
- A. is no need of primary key data
- B. are explicit relationships among records
- C. is much more data independence than some other database models
- D. are tables with many dimensions
Explanation
Correct answer is: is much more data independence than some other database models.
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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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