Which of the following keywords cannot be used when creating a view?

Which SQL statement below will correctly create the EMP table based on the structure of the EMPLOYEES table? Include only the EMPLOYEE_ID, FIRST_NAME, LAST_NAME, SALARY, and DEPARTMENT_ID columns.

You need to ensure that the LAST_NAME column only contains certain character values. No numbers or special characters are allowed. Which type of constraint should you define on the LAST_NAME column?

Evaluate the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER(9) LAST_NAME VARCHAR2(25) FIRST_NAME VARCHAR2(25)DEPARTMENT_ID NUMBER(9) MANAGER_ID NUMBER(9)SALARY NUMBER(7,2)Which statement should you use to increase the LAST_NAME column length to 35 if the column currently contains 200 records?

You want to issue the following command on a database that includes your company’s inventory information: ALTER TABLE products SET UNUSED COLUMN color; What will be the result of issuing this command?

Which statement about decreasing the width of a column is true?

The ELEMENTS column is defined as: NUMBER(6,4) How many digits to the right of the decimal point are allowed for the ELEMENTS column?

Which of the following best describes a role in an Oracle database?

Which statement about table and column names is true?

Examine the following EMPLOYEES table: EMPLOYEES:EMPLOYEE_ID NUMBER(9)LAST_NAME VARCHAR2(25)FIRST_NAME VARCHAR2(25)DEPARTMENT_ID NUMBER(9)SUPERVISOR_ID NUMBER(9) You need to produce a report that contains all employee-related information for those employees who have Brad Carter as a supervisor. However, you are not sure which supervisor ID belongs to Brad Carter. Which query should you issue to accomplish this task?