技術標籤：Oracleoraclesql

Oracle in 的個數超過1000

Oracle中在一個查詢語句裡 in 的個數最多為1000個
當我們in的個數有1000+時，可以考慮使用union all來查詢
把in的個數以一次999個來查詢用union all來連線起來，然後就可以了

select DJXH,NSRMC,nsrsbh,JK_BZ,ZT_DM from
(
select DJXH,NSRMC,nsrsbh,JK_BZ,ZT_DM from sxgl_fxts where jk_bz='Y' AND ZT_DM=83 and djxh in
(.......................)
union all
select DJXH,NSRMC,nsrsbh,JK_BZ,ZT_DM from sxgl_fxts where jk_bz='Y' AND ZT_DM=83 and djxh in
(.......................)
union all
select DJXH,NSRMC,nsrsbh,JK_BZ,ZT_DM from sxgl_fxts where jk_bz='Y' AND ZT_DM=83 and djxh in
(.......................)
union all
select DJXH,NSRMC,nsrsbh,JK_BZ,ZT_DM from sxgl_fxts where jk_bz='Y' AND ZT_DM=83 and djxh in
(.......................)
)