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The MCQ: Attributes in group by clause having tuples with same value are placed in; "SQL" App Download [Free] with answers: one group, two groups, multiple groups, and no groups for computer science online programs. Study SQL Database Interview Questions and Answers FAQs, download Google e-Book (Free Chapter) for top online computer science programs.

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MCQ 1: Attributes in the group by clause having tuples with the same value are placed in:

  1. One group
  2. Two groups
  3. Multiple groups
  4. No groups

MCQ 2: Aggregate functions can be applied over a group of sets of tuples instead of just single tuple by using the clause:

  1. By Grouped clause
  2. Group by clause
  3. Merge clause
  4. Sync clause

MCQ 3: The aggregate function count of an empty collection is said to be:

  1. Always unity
  2. 0
  3. Infinite
  4. Unknown

MCQ 4: Built-in aggregate functions defined by SQL, ignore null values for their input collection, except the:

  1. Sum
  2. Avg
  3. Min/max
  4. Count(*)

MCQ 5: The attributes specified in the group by clause of the SQL statement, are used to form:

  1. A single value
  2. Multiple values
  3. Groups
  4. Multiple relations

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