5
我想制作一个视图,但我得到一个重复的列名错误。如果我单独运行select查询,那么查询返回如下结果:获取SQL错误:ORA-00957:重复的列名称,同时创建视图
SELECT distinct app.APP_REF_NO, app.APP_STATUS, app.APP_DT, app.ATTEND_STAFF,
app.ATTEND_BRANCH, app.PRODUCT_TYPE, cust.CUST_ID,
cust.APP_JOINT_T, cust.ID1_TYPE, cust.ID1, cust.ID2_TYPE,
cust.ID2, cust.FIRST_NAME, cust.LAST_NAME, cust.FULL_NAME,
cust.FULL_NAME_CAP, cust.DOB, fac.FACILITY_NO, fac.PRODUCT_TYPE,
fac.PRODUCT_CODE, fac.MAIN_PROD_IND, fac.AMT_APPLIED
FROM
LOSA_APP app
LEFT JOIN
LOSA_CUST cust
ON
cust.APP_REF_NO = app.APP_REF_NO
LEFT JOIN
LOSA_FACILITIES fac
ON
fac.APP_REF_NO = app.APP_REF_NO
LEFT JOIN
OS_CURRENTSTEP STEP
ON
STEP.REF_ID = app.APP_REF_NO
WHERE (app.APP_STATUS ='P' OR app.APP_STATUS ='T' OR
((app.APP_STATUS='R' OR app.APP_STATUS='S') AND STEP.STEP_NAME='011'));
此查询正常工作。但是当我尝试运行它作为视图时:
CREATE VIEW basit_test1 AS
SELECT distinct app.APP_REF_NO, app.APP_STATUS, app.APP_DT, app.ATTEND_STAFF,
app.ATTEND_BRANCH, app.PRODUCT_TYPE, cust.CUST_ID,
cust.APP_JOINT_T, cust.ID1_TYPE, cust.ID1, cust.ID2_TYPE,
cust.ID2, cust.FIRST_NAME, cust.LAST_NAME, cust.FULL_NAME,
cust.FULL_NAME_CAP, cust.DOB, fac.FACILITY_NO, fac.PRODUCT_TYPE,
fac.PRODUCT_CODE, fac.MAIN_PROD_IND, fac.AMT_APPLIED
FROM
LOSA_APP app
LEFT JOIN
LOSA_CUST cust
ON
cust.APP_REF_NO = app.APP_REF_NO
LEFT JOIN
LOSA_FACILITIES fac
ON
fac.APP_REF_NO = app.APP_REF_NO
LEFT JOIN
OS_CURRENTSTEP STEP
ON
STEP.REF_ID = app.APP_REF_NO
WHERE (app.APP_STATUS ='P' OR app.APP_STATUS ='T' OR
((app.APP_STATUS='R' OR app.APP_STATUS='S') AND STEP.STEP_NAME='011'));
然后我得到重复的列名称错误。为什么我得到这个错误?