Which of the following objects is used by the RecordReader class for reading data from an InputSplit class?

Which one is the correct syntax for resetting the space quota for directories in HDFS?

Which operator is used for un-nesting the nested tuples and bags?

Which query is valid?

Examine the data in the EMPLOYEES table given below: LAST_NAME DEPARTMENT_ID SALARY ALLEN 10 3000 MILLER 20 1500 King 20 2200 Davis 30 5000 Which of the following Subqueries work?

Which of the following are false for batches (batch commands)?

Examine the code given below: SELECT employee_id FROM employees WHERE commission_pct=.5 OR salary > 23000 Which of the following statements is correct with regard to this code?

Which constraints can be used to enforce the uniqueness of rows in a table?

What is the numeric range that is supported by the datatype tinyint?

A cursor is a pointer that identifies a specific working row within a set

How can you change 'Hansen' into 'Nilsen' in the LastName column in the PersonsTable?