EMPDET is an external table containing the columns EMPNO and ENAME. Which
command would work in relation to the EMPDET table?
A.
 UPDATE empdet SET ename = ‘Amit’ WHERE empno = 1234; 
B.
 DELETE FROM empdet WHERE ename LIKE ‘J%’;
C.
 CREATE VIEW empvu AS SELECT* FROM empdept;
D.
 CREATE INDEX empdet_idx ON empdet(empno);