你可能感兴趣的试题
SELECT SNO,SNAME FROMSWHERE SNAME=’王%’ SELECT SNO,SNAME FROM S WHERE SNAME=’王_’ SELECT SNO,SNAMEFROMS WHERE SNAME LIKE ’王%’ SELECT SNO,SNAME FROM S WHERE SNAME LIKE ’王_’
SELECT SNO,SNAME FROM S WHERE SNAME=′王%′ SELECT SNO,SNAME FROM S WHERE SNAME=′王_′ SELECT SNO,SNAME FROM S WHERE SNAME LIKE′王%′ SELECT SNO,SNAME FROM S WHERE SNAME LIKE′王_′
SELECT sno FROM sc WHERE grade=NULL SELECT sno FROM sc WHERE grade IS SELECT sno FROM sc WHERE grade IS NULL SELECT sno FROM sc WHERE grade=0
SELECT sno FROM sc WHERE sname=’王’ SELECT sno FROM sc WHERE sname IS LIKE ’王%’ SELECT sno FROM sc WHERE sname LIKE ’王%’ SELECT sno FROM sc WHERE sname LIKE ’王_’
SELECT SNO,SNAME FROM S WHERE SNAME=′王%′ SELECT SNO,SNAME FROM S WHERE SNAME=′王_′ SELECT SNO,SNAME FROM S WHERE SNAME LIKE′王%′ SELECT SNO,SNAME FROM S WHERE SNAME LIKE′王_′
SELECT SNO,SNAME FROMSWHERE SNAME=’王%’ SELECT SNO,SNAME FROM S WHERE SNAME=’王_’ SELECT SNO,SNAMEFROMS WHERE SNAME LIKE ’王%’ SELECT SNO,SNAME FROM S WHERE SNAME LIKE ’王_’
SELECT sno FROM sc WHERE sname=′王′ SELECT sno FROM sc WHERE sname IS LIKE′王%′ SELECT sno FROM sc WHERE sname LIKE′王%′ SELECT sno FROM sc WHERE sname LIKE′王_′