oracle 交叉報表固定列實現方法
需求：
統計某些天內每個型別的數量，
原資料 mctype 型別：dth，med，oth
tday時間劃分：t1,t2,t3,t4~t10
原始data
如果dthind=1 那麼這條記錄型別就是dth型別，其他類推
iddthind
medind
othind
1600672301
01600673001
01600673501
01600674410
01600675710
01600677210
01600700901
0 使用交叉報表後show 出的data
mctype
t1t2
t3t4~t10
dth100
2med00
13但是clients 需求是不管是否有data，都要show 出全部型別，全部日期
期望結果是
mctype
t1t2
t3t4~t10
dth100
2med00
13oth000
0 原**貼上**
select mctype,
count(decode(tdate,'t1','t1',null)) as t1,
count(decode(tdate,'t2','t2',null)) as t2,
count(decode(tdate,'t3','t3',null)) as t3,
count(decode(tdate,'t4~t10','t4',null)) as
"t4~t10"
from (
select
case
when sc.dthind=1
then
'dth'
when sc.medind=1
then
'med'
when sc.othind=1
then
'oth'
else
null
endas mctype,
case
when sc.crtdate >=(select bizdate from sysinfo) and sc.crtdate<=(select bizdate+1
from sysinfo) then
't0'
when sc.crtdate >=(select bizdate-1
from sysinfo) and sc.crtdate<=(select bizdate from sysinfo) then
't1'
when sc.crtdate >=(select bizdate-2
from sysinfo) and sc.crtdate<=(select bizdate-1
from sysinfo) then
't2'
when sc.crtdate >=(select bizdate-3
from sysinfo) and sc.crtdate<=(select bizdate-2
from sysinfo) then
't3'
when sc.crtdate >=(select bizdate-10
from sysinfo) and sc.crtdate<=(select bizdate-3
from sysinfo) then
't4~t10'
else
null
endas tdate
from cccbsc sc where sc.clmnum in ('16006772','16007009','16006744','16006757','16006723','16006730','16006735')
and crtdate >=(select bizdate - 10
from sysinfo)
and crtdate < (select bizdate from sysinfo)) group
by mctype
union all 所有的行和列一遍，這裡是3*4，也就是union all 12條記錄，然後所有統計的數量
減一條
select mctype,
count(decode(tdate,'t1','t1',null))-1
as t1,
count(decode(tdate,'t2','t2',null))-1
as t2,
count(decode(tdate,'t3','t3',null))-1
as t3,
count(decode(tdate,'t4~t10','t4',null))-1
as"t4~t10"
from (
select
case
when sc.dthind=1
then
'dth'
when sc.medind=1
then
'med'
when sc.othind=1
then
'oth'
else
null
endas mctype,
case
when sc.crtdate >=(select bizdate from sysinfo) and sc.crtdate<=(select bizdate+1
from sysinfo) then
't0'
when sc.crtdate >=(select bizdate-1
from sysinfo) and sc.crtdate<=(select bizdate from sysinfo) then
't1'
when sc.crtdate >=(select bizdate-2
from sysinfo) and sc.crtdate<=(select bizdate-1
from sysinfo) then
't2'
when sc.crtdate >=(select bizdate-3
from sysinfo) and sc.crtdate<=(select bizdate-2
from sysinfo) then
't3'
when sc.crtdate >=(select bizdate-10
from sysinfo) and sc.crtdate<=(select bizdate-3
from sysinfo) then
't4~t10'
else
null
endas tdate
from cccbsc sc where sc.clmnum in ('16006772','16007009','16006744','16006757','16006723','16006730','16006735')
and crtdate >=(select bizdate - 10
from sysinfo)
and crtdate < (select bizdate from sysinfo)
union
allselect
'dth'
as mctype,'t1'
as tdate from dual
union
allselect
'dth'
as mctype,'t2'
as tdate from dual
union
allselect
'dth'
as mctype,'t3'
as tdate from dual
union
allselect
'dth'
as mctype,'t4~t10'
as tdate from dual
union
allselect
'med'
as mctype,'t1'
as tdate from dual
union
allselect
'med'
as mctype,'t2'
as tdate from dual
union
allselect
'med'
as mctype,'t3'
as tdate from dual
union
allselect
'med'
as mctype,'t4~t10'
as tdate from dual
union
allselect
'oth'
as mctype,'t1'
as tdate from dual
union
allselect
'oth'
as mctype,'t2'
as tdate from dual
union
allselect
'oth'
as mctype,'t3'
as tdate from dual
union
allselect
'oth'
as mctype,'t4~t10'
as tdate from dual) group
by mctype
;
如果有什麼其他簡單的方法可以固定行和列也可以告訴我，謝謝
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