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你好,我有此光標我在我的PL這段代碼/ SQL的一個問題更新表列
update CAND_ORDER SET SOURCE_SITE_ID = i.SITE_ID WHERE CAND_ORDER_ID IN
(select CAND_ORDER_ID from CAND_ORDER where SOURCE_SITE_ID is null and SP_TRIAL_MATERIAL_ID in
(select SP_TRIAL_MATERIAL_ID from SP_TRIAL_MATERIAL where SP_RESEARCH_STATION_ID_SOURCE IN
(select SP_RESEARCH_STATION_ID from SP_RESEARCH_STATION where SP_RESEARCH_STATION.CODE IN
(SELECT SITE_CODE from SITE WHERE SITE.SITE_CODE=i.SITE_CODE))));
它給出了一個錯誤說:
PLS-00302: component 'SITE_ID' must be declared
ORA-06550: line 17, column 44:
PL/SQL: ORA-00904: "I"."SITE_ID": invalid identifier
我完全做不明白請你幫忙指點是什麼問題
ru引用來自另一個表的site_id。如果您收到無效的標識符,請提供正確的代碼或您正在使用的表(字段)的結構 –
@ user2940216謝謝我發現site_id作爲字段未添加在添加它它工作正常 –