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jtbh(¼ÒÍ¥±àºÅ) hzxm(»§Ö÷ÐÕÃû) hnbh(»§ÄÚ×î´ó±àºÅ)
1000 ÕÅÈý 03
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100001 ÕÅÈý 1000
100002 ÀîËÄ 1000
100003 ÍõÎå 1000
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CREATE PROCEDURE update_for_csdner();
CURSOR v_cursor IS SELECT MAX(substr(grbh, 4, 2)) hnbh, substr(grbh, 0, 4) jtbh from b GROUP BY substr(grbh, 0, 4);
v_jtbh VARCHAR2(4);
v_hnbh VARCHAR2(2);
BEGIN
OPEN v_cursor;
LOOP
FETCH v_cursor INTO v_hnbh, v_jtbh;
EXIT WHEN v_cursor%NOTFOUND;
UPDATE A SET hnbh = v_hnbh WHERE jtbh = v_jtbh;
COMMIT;
END LOOP;
CLOSE v_cursor;
END;
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