--链接字段,它的作用是以','链接字符
SELECT 'T_DRP_ZD_DHCYD' BM,
'调货-调出方认定' YWM,
COUNT(*) JLS,
WMSYS.WM_CONCAT(DHCYDBH) DJH,
DCMDID WLDWXXID
FROM T_DRP_ZD_DHCYD A
WHERE STATE = '未确认'
AND DELFLAG = 0
GROUP BY DCMDID
;
SELECT * FROM t_drp_xs_posmx;
SELECT POSID,wmsys.wm_concat(wlzhid),SUM(ysje) ysje FROM t_drp_xs_posmx GROUP BY posid;
SELECT POSID,wmsys.wm_concat(wlzhid) FROM t_drp_xs_posmx GROUP BY posid;
SELECT * FROM t_drp_xs_posmx WHERE posid='001c8f2fb0524da8a5b07761c24af456';
SELECT wmsys.wm_concat(A.KWXM) XMBH FROM (
SELECT DISTINCT A.ZCKWBH,A.Xmbh,'库位'||A.Zckwbh||',箱码'||A.Xmbh||'.' KWXM
FROM t_erp_kc_cpzcdmx_pda A
LEFT JOIN t_erp_kc_cpzcdmx_pda B ON 1=1 AND A.Zckwbh=B.Zckwbh AND A.Xmbh=B.Xmbh AND A.Cpzcdmxid<>B.Cpzcdmxid
WHERE B.Cpzcdid='b3a9ba46a5284eb882034fc6b529c7e2' AND NVL(A.Wcbj,0)=0
) A
本文深入探讨了SQL查询中常用的操作,包括数据聚合、分组、连接和子查询等高级特性,通过具体实例展示了如何有效地从数据库中提取所需信息。
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