- AUnique Key
- BReference Key
- CForeign key
- DPrimary key
Structured Query Language - Quiz
- ASELECT * FROM Employee SORT BY
- BSELECT * FROM Employee ORDER BY Name DESC;
- CSELECT * FROM Employee ORDER Name DESC;
- DSELECT * FROM Employee SORT
- ADELETE
- BDISTINCT
- CNON DUPLICATE
- DEXISTS
- ABETWEEN
- BLIKE
- CIN
- DNone of these
- AUNION
- BINTERSECT
- CMINUS
- DDIFFERENCE
- AUPDATE Employee SET Name=
- BALTER Employee SET Name=
- CUPDATE Employee SET Name=
- DALTER Employee SET Name=
- AOnly statement (I) permanently removes the relation Customer
- BOnly statement (II) permanently removes the relation Customer
- CBoth statements (I) and (II) permanently remove the relation Customer
- DNone of these
- AAll of these
- BSELECT * FROM Employee WHERE email_id IS NULL;
- CSELECT * FROM Employee WHERE IS NULL (email_id);
- DSELECT * FROM Employee WHERE email_id NULL;
- ASELECT COLUMNS(*) FROM Employee;
- BSELECT COUNT()FROM Employee;
- CSELECT COUNT(*)FROM Employee;
- DAll of these
Results:
🟢 Correct Answers: 🔴 Wrong Answers:
🟢 Correct Answers: 🔴 Wrong Answers:
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Quiz Information
Quiz Information
Quiz Platform FAQ
General Information
- Number of Questions: Each quiz consists of 10 questions.
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Quiz Analytics
Structured Query Language - Quiz
Guest User
Time Taken: Questions: Answered: Not Answered:
Correct Answer:
Wrong Answer:
Percentage: %
- A. Unique Key
- B. Reference Key
- C. Foreign key
- D. Primary key
Remarks:
Explanation: Foreign key
- A. SELECT * FROM Employee SORT BY
- B. SELECT * FROM Employee ORDER BY Name DESC;
- C. SELECT * FROM Employee ORDER Name DESC;
- D. SELECT * FROM Employee SORT
Remarks:
Explanation: SELECT * FROM Employee ORDER BY Name DESC;
- A. DELETE
- B. DISTINCT
- C. NON DUPLICATE
- D. EXISTS
Remarks:
Explanation: DISTINCT
- A. BETWEEN
- B. LIKE
- C. IN
- D. None of these
Remarks:
Explanation: LIKE
- A. %
- B. ?
- C. _
- D. *
Remarks:
Explanation: %
- A. UNION
- B. INTERSECT
- C. MINUS
- D. DIFFERENCE
Remarks:
Explanation: MINUS
- A. UPDATE Employee SET Name=
- B. ALTER Employee SET Name=
- C. UPDATE Employee SET Name=
- D. ALTER Employee SET Name=
Remarks:
Explanation: UPDATE Employee SET Name=‘John’ WHERE Name=‘Jon’;
- A. Only statement (I) permanently removes the relation Customer
- B. Only statement (II) permanently removes the relation Customer
- C. Both statements (I) and (II) permanently remove the relation Customer
- D. None of these
Remarks:
Explanation: Only statement (II) permanently removes the relation Customer
- A. All of these
- B. SELECT * FROM Employee WHERE email_id IS NULL;
- C. SELECT * FROM Employee WHERE IS NULL (email_id);
- D. SELECT * FROM Employee WHERE email_id NULL;
Remarks:
Explanation: SELECT * FROM Employee WHERE email_id IS NULL;
- A. SELECT COLUMNS(*) FROM Employee;
- B. SELECT COUNT()FROM Employee;
- C. SELECT COUNT(*)FROM Employee;
- D. All of these
Remarks:
Explanation: SELECT COUNT(*)FROM Employee;