Q:

Select count (____ ID)

belongs to collection: DBMS - SQL MCQ

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Select count (____ ID)
from teaches
where semester = ’Spring’ and year = 2010;
If we do want to eliminate duplicates, we use the keyword ______in the aggregate expressio


  1. Distinct
  2. Count
  3. Avg
  4. Primary Key

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(a).Distinct

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