MCQOPTIONS
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| 1. |
With SQL, how can you return the number of not null records in the Persons table? |
| A. | SELECT COUNT() FROM Persons |
| B. | SELECT COLUMNS() FROM Persons |
| C. | SELECT COLUMNS(*) FROM Persons |
| D. | SELECT COUNT(*) FROM Persons |
| Answer» B. SELECT COLUMNS() FROM Persons | |