adplus-dvertising
frame-decoration

Question

Which is not true of a correlated subquery?

a.

EXISTS/NOT EXISTS is a form of a correlated subquery.

b.

The processing of the SELECT statements is nested.

c.

They can be used to verify functional dependencies.

d.

They are very similar to a regular subquery.

Posted under SQL DBMS

Answer: (d).They are very similar to a regular subquery.

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. Which is not true of a correlated subquery?

Similar Questions

Discover Related MCQs

Q. What is the full form of SQL?

Q. Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

Q. Which operator performs pattern matching?

Q. What operator tests column for the absence of data?

Q. Which of the SQL statements is correct?

Q. The FROM SQL clause is used to...

Q. Which SQL keyword is used to retrieve only unique values?

Q. Which SQL keyword is used to retrieve a maximum value?

Q. What is a view?

Q. Which of the following SQL commands is used to retrieve data?

Q. Which of the following is a SQL aggregate function?

Q. Which SQL statement is used to update data in a database?

Q. Which SQL statement is used to delete data FROM a database?

Q. Which SQL keyword is used to sort the result-set?

Q. The SQL statement
SELECT SUBSTR('123456789', INSTR('abcabcabc', 'b'), 4) FROM DUAL;

Q. Which of the following group functions ignore NULL values?

Q. Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.
The SQL statement
SELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);
prints

Q. The SQL statement
SELECT SUBSTR('abcdefghij', INSTR('123321234', '2', 3, 2), 2) FROM DUAL;
prints

Q. The SQL statement
SELECT ROUND(45.926, -1) FROM DUAL;

Q. Which of the following must be enclosed in double quotes?