SQL commands for the given statements :
(i) SELECT NAME, TESTID, TESTNAME FROM PATIENT, TEST
WHERE PATIENT. TESTID = TEST. TESTID AND DTADMIT BETWEEN ‘01-DEC-2017’ AND '15-DEC-2017' ;
(ii) SELECT NAME, TESTNAME, COST FROM PATIENT, TEST
WHERE PATIENT. TESTID = TEST. TESTID AND NAME LIKE '% Sharma %’ ;
(iii) UPDATE TEST SET COST = COST +50 WHERE COST < 200 ;