Examine the description of the CUSTOMERS table: CUSTOMER Id CUSTOMER_ NAME 10 MARK 20 ...
Examine the description of the CUSTOMERS table: CUSTOMER Id CUSTOMER_ NAME 10 MARK 20 ...
You must find the number of employees whose salary is lower than employee 110.Which statement fails to do this?A) SELECT COUNT (*) FROM employees JOIN employees a ON e. salary< a. salary WHERE a. empl ...
Examine this description of the PRODUCTS table: You successfully execute this command: CREATE TALE new_prices(prod_id NUBER(2),price NUMBER(8,2)); Which two statements execute without errors? A.MERGE ...
.Which two statements will return the names of the three employees with the lowest salaries? A.SELECT last_name, salary FROM employees WHERE ROWNUM
Which two are true about scalar subquery expressions? A.You cannot correlate them with a table in the parent statement B.You can use them as a default value for a column. C..You must enclose them in p ...
Examine the description of the CUSTOMERS table: Which three statements will do an implicit conversion? A.SELECT * FROM customers WHERE insert_date=DATE’2019-01-01’; B.SELECT * FROM customers WHERE c ...
Examine this list of requirements for a sequence: 1.Name:EMP_SEQ 2.First value returned:1 3.Duplicates are never permitted. 4.Provide values to be inserted into the EMPLOYEES.EMPLOYEE_ID COLUMN. 5.Red ...
Which three statements are true about performing DML operations on a view with no INSTEAD OF triggers defined? A.Insert statements can always be done on a table through a view. B.The WITH CHECK clause ...