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--试试这个
select AREA_NAME,
PATH,
FILENAME,
CITY,
AREA_ID,
PIC_ID
from
(SELECT LS.AREA_NAME,
PIC.PATH,
PIC.FILENAME,
LS.CITY,
LS.AREA_ID,
PIC.PIC_ID,
row_number() over(partition by ls.area_id order by LS.AREA_NAME ) rn
FROM LS_AREA_PIC PIC,LS_AREA LS
WHERE PIC.RELATE_ID=LS.AREA_ID
AND PIC.TABLE_NAME='LS_AREA'
AND CITY = '广州市')
where rn=1
and rownum<5
select AREA_NAME,
PATH,
FILENAME,
CITY,
AREA_ID,
PIC_ID
from
(SELECT LS.AREA_NAME,
PIC.PATH,
PIC.FILENAME,
LS.CITY,
LS.AREA_ID,
PIC.PIC_ID,
row_number() over(partition by ls.area_id order by LS.AREA_NAME) rn
FROM LS_AREA_PIC PIC,LS_AREA LS
WHERE PIC.RELATE_ID=LS.AREA_ID
AND PIC.TABLE_NAME='LS_AREA'
AND CITY = '¹ãÖÝÊÐ')
where rn=1
and rownum<5
select AREA_NAME,
PATH,
FILENAME,
CITY,
AREA_ID,
PIC_ID
from
(SELECT LS.AREA_NAME,
PIC.PATH,
PIC.FILENAME,
LS.CITY,
LS.AREA_ID,
PIC.PIC_ID,
row_number() over(partition by ls.area_id) rn
FROM LS_AREA_PIC PIC,LS_AREA LS
WHERE PIC.RELATE_ID=LS.AREA_ID
AND PIC.TABLE_NAME='LS_AREA'
AND CITY = '广州市')
where rn=1
and rownum<5
select AREA_NAME,
PATH,
FILENAME,
CITY,
AREA_ID,
PIC_ID
from
(SELECT LS.AREA_NAME,
PIC.PATH,
PIC.FILENAME,
LS.CITY,
LS.AREA_ID,
PIC.PIC_ID,
row_number() over(partition by ls.area_id) rn
FROM LS_AREA_PIC PIC,LS_AREA LS
WHERE PIC.RELATE_ID=LS.AREA_ID
AND PIC.TABLE_NAME='LS_AREA'
AND CITY = '广州市')
where rn=1
and rownum<5