The ascending order of a data hirerchy is:

Related MCQs

• Indices whose search key specifies an order different from the sequential order of the file are called                        indices.
• Indices whose search key specifies an order different from the sequential order of the file are called ___________ indices.
• What is the default order of Order by clause?
• The application program typically communicates with a database server, through                        or other protocols, in order to get or store data.
•                      are used to ensure that transactions access each data item in order of the transactions’          if their accesses conflict.
• View the Exhibit and examine the data in the EMPLOYEES tables. Evaluate the following SQL statement: SELECT employee_id, department_id FROM employees WHERE department_id= 50 ORDER BY department_id UNION SELECT employee_id, department_id FROM employees WHERE department_id= 90 UNION SELECT employee_id, department_id FROM employees WHERE department_id= 10; What would be the outcome of the above SQL statement?
• The                            layer, which provides a high-level view of data and actions on data.
• Which of the following data structure is not linear data structure?
• Which of the following data structure is linear data structure?
•                        is widely used today for protecting data in transit in a variety of applications such as data transfer on the Internet, and on cellular phone networks.