Is this statement true or false:
A cursor is a pointer that identifies a specific working row within a set

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

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

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?

You are maintaining data for its products in the Products table, and want to see the products that are 50 or more in number, far from the minimum stock limit. The structure of the Products table is:

The AND operator displays a row if ANY conditions listed are true. The OR operator displays a row if ALL of the conditions listed are true

Which query is valid?

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

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

Which object is used by the RecordReader class for reading data from an InputSplit class?

Which one is the correct data type of the 'totalMB' element of the clusterMetrics object used in the YARN ResourceManager REST API?