DB2游标及其使用
发布时间：2025-11-05 02:37:56 来源：创站工坊 作者：IT科技类资讯
游标复制DECLARE c1 CURSOR FOR SELECT CAST(salary AS DOUBLE) FROM staff WHERE DEPT = deptNumber ORDER BY salary; DECLARE EXIT HANDLER FOR NOT FOUND SET medianSalary = 6666; SET medianSalary = 0; SELECT COUNT(*) INTO v_numRecords FROM staff WHERE DEPT = deptNumber; OPEN c1; WHILE v_counter < (v_numRecords / 2 + 1) DO FETCH c1 INTO medianSalary; SET v_counterv_counter = v_counter + 1; END WHILE; CLOSE c1; 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.
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