MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is NOT true about primary key? |
| A. | Primary key field can have a character value. |
| B. | Primary key field helps to check redundancy of data. |
| C. | Primary key field can have a null value. |
| D. | Primary key field can have zero value. |
| Answer» D. Primary key field can have zero value. | |