请问各位大师,文理成绩上段统计
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SELECT szbj,SUM(IIF(zf_y>=529,1,0)) rs,"12130229150" lb FROM cj022902 WHERE SUBSTR(ksh,9,3)="150" GROUP BY szbj
SELECT szbj,SUM(IIF(zf_y>=509,1,0)) rs,"12130229110" lb FROM cj022902 WHERE SUBSTR(ksh,9,3)="110" GROUP BY szbj