SQL("linux1.26","select count(*) from DY_EXAM_ANSWER_SHEET where subject = 'xxx' and n_id = '" + P1 + "'",1),
需要实现,查询出来的结果=0时才提交,校验中的公式改怎么写呢
SQL("linux1.26","select count(*) from DY_EXAM_ANSWER_SHEET where subject = 'xxx' and n_id = '" + P1 + "'",1,1)=0
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不行就是
SQL("linux1.26","select count(*) from DY_EXAM_ANSWER_SHEET where subject = 'xxx' and n_id = '" + P1 + "'",1,1)>0