A．SELECT DISTINCTSnameB．SELECT DISTm CTSname FROMS FROMS WHERE EXISTS WHERE 0＜ (SELECT* (SELECTCOUNT(*) FROM SPJ FROM SPJ WHERE S．Sno=SPJ．SnO WHERE S．Sno；SPJ．Sno AND SPJ．Pno；，P3， AND SPJ．Pno=’P3’)C．SELECT ShameD．SELECT Sname FROMS FROMS，SPJ WHERE EXISTS WHERES.Sno=SPJ.Sno (SELECT* ANDSPJ．Pno=’P3’) FROM SPJ GROUP BYSname WHERE S. Sno=SPJ. Sno AND SPJ. Pno=’P3’)
A．SELECT DISTINCTSname
B．SELECT DISTm CTSname
FROMS FROMS
WHERE EXISTS WHERE 0＜
(SELECT* (SELECTCOUNT(*)
FROM SPJ FROM SPJ
WHERE S．Sno=SPJ．SnO WHERE S．Sno；SPJ．Sno
AND SPJ．Pno；，P3， AND SPJ．Pno=’P3’)
C．SELECT Shame
D．SELECT Sname
FROMS FROMS，SPJ
WHERE EXISTS WHERES.Sno=SPJ.Sno
(SELECT* ANDSPJ．Pno=’P3’)
FROM SPJ GROUP BYSname
WHERE S. Sno=SPJ. Sno
AND SPJ. Pno=’P3’)