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Database Systems - Section 8 :: Discussion
| 5. | Data integrity control | |
| A. | is used to set upper and lower limits on numeric data | |
| B. | requires the use of passwords to prohibit unauthorized access to the file | |
| C. | has the data dictionary keep the date and time of last access last back-up, and most recent modification for all files | |
| D. | All of the above | |
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