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单引号中怎么变量赋值。
sql=['select t.*,d.name from t_fraginf t join t_fragrant d on t.tno=d.dno having tno=', nub2str(tx) , ';' ];
单引号中怎么变量赋值。
sql=['select t.*,d.name from t_fraginf t join t_fragrant d on t.tno=d.dno having tno=', nub2str(tx) , ';' ];
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