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CBSE Class 12 Computer Science Question 63 of 78

Simple Queries in SQL — Question 17

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17
Question

Question 17

Which operator tests a column for the absence of data (i.e., NULL value) ?

  1. EXISTS operator
  2. NOT operator
  3. IS operator
  4. None of these
Answer

IS operator

Reason — The NULL value in a column can be searched in a table using the IS operator.