1z1-071 Exam Question 51

Examine this statement:

Which two statements are true?
  • 1z1-071 Exam Question 52

    You must create a table EMPLOYEES in which the values in the columns EMPLOYEES_ID and LOGIN_ID must be unique and not null.
    Which two SQL statements would create the required table? (Choose two.)
  • 1z1-071 Exam Question 53

    You must write a query that prompts users for column names and conditions every time it is executed.
    The user must be prompted only once for the table name.
    Which statement achieves those objectives?
  • 1z1-071 Exam Question 54

    View the Exhibit and examine the structure of the ORDERS table. The ORDER_ID column is the PRIMARY KEY in the ORDERS table.

    Evaluate the following CREATE TABLE command:
    CREATE TABLE new_orders(ord_id, ord_date DEFAULT SYSDATE, cus_id)
    AS
    SELECT order_id.order_date,customer_id
    FROM orders;
    Which statement is true regarding the above command?
  • 1z1-071 Exam Question 55

    View the exhibit and examine the structure of the CUSTOMERStable.

    Which two tasks would require subqueries or joins to be executed in a single statement?