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SQL Database Interview Questions and Answers PDF

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The MCQ: Attributes in group by clause having tuples with same value are placed in; "SQL Database Interview Questions and Answers" App Download (Free) with answers: One group; Two groups; Multiple groups; No groups; for computer science online programs. Study SQL Database Interview Questions and Answers FAQs, download Google eBook (Free Sample) for top online computer science programs.

SQL MCQs: SQL Database Interview Questions and Answers PDF Download

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

Practice Tests: SQL Exam Prep

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SQL Database Interview Questions and Answers App (Android & iOS)

SQL Database Interview Questions and Answers App (Android & iOS)

DBMS App (Android & iOS)

DBMS App (iOS & Android)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

Computer Basics App (Android & iOS)

Computer Basics App (iOS & Android)