Question 61

Examine the structure of the invoice table.

Which two SQL statements would execute successfully? A)

B)

C)

D)
  • Question 62

    Examine the data in the CUST_NAME column of the CUSTOMERS table:

    You want to display the CUST_NAME values where the last name starts with Mc or MC.
    Which two WHERE clauses give the required result?
  • Question 63

    You executed the following CREATE TABLE statement that resulted in an error:
    SQL> CREATE TABLE employees(emp_id NUMBER(10) PRIMARY KEY, ename VARCHAR2(20), email NUMBER(3) UNIQUE, address VARCHAR2(500), phone VARCHAR2(20), resume LONG, hire_date DATE, remarks LONG, dept_id NUMBER(3) CONSTRAINT emp_dept_id_fk REFERENCES departments (dept_id), CONSTRAINT ename_nn NOY NULL (ename)); Identify two reasons for the error.
  • Question 64

    Which two statements are true about the DUAL table?
  • Question 65

    Examine the data in the CUST_NAMEcolumn of the CUSTOMERStable:

    You want to display the CUST_NAMEvalues where the last name starts with Mcor MC.
    Which two WHERE clauses give the required result? (Choose two.)