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Database Systems - Section 6 Multiple Questions and Answers.
| 16. | A database management system might consist of application programs and a software package called | ||
| A. | FORTRAN | ||
| B. | AUTOFLOW | ||
| C. | BPL | ||
| D. | TOTAL | ||
| 17. | An audit trail | ||
| A. | is used to make back-up copies | ||
| B. | is the recorded history of operations performed on a file | ||
| C. | can be used to restore lost information | ||
| D. | All of the above | ||
| 19. | An indexing operation | ||
| A. | sorts a file using a single key | ||
| B. | sorts file using two keys | ||
| C. | establishes an index for a file | ||
| D. | both (b) and (c) | ||
| 20. | In SQL, which command(s) is(are) used to create a synonym for a schema object? | ||
| A. | CREATE SCHEMA | ||
| B. | CREATE SYNONYM | ||
| C. | CREATE SAME | ||
| D. | All of the above | ||
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