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_’
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