जॉइन Examsbookउत्तर :
What does it mean if the null indicator has -1, 0, -2?5
प्र: What does it mean if the null indicator has -1, 0, -2?
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उत्तर :
व्याख्या :
-1 indicates the field is null 0 indicates the field is not null -2 indicates the field is truncated

