乙個按年季度查詢資料的
sql語句熱29
已有1527
次閱讀2009-06-03 15:52
今天在csdn
上回答的別人乙個問題，就是關於按年季度求和查詢資料
我給出了
2種資料庫的解決方案：
mssql
的：code:
select season = case when month(
日期) in (1,2,3) then '
一季度'
when month(
日期) in (4,5,6) then '
二季度'
when month(
日期) in (7,8,9) then '
三季度'
when month(
日期) in (10,11,12) then '
四季度' end ,
count(*)
from tablename
group by case when month(
日期) in (1,2,3) then '
一季度'
when month(
日期) in (4,5,6) then '
二季度'
when month(
日期) in (7,8,9) then '
三季度'
when month(
日期) in (10,11,12) then '
四季度' end
access
的code:
select iif(month(addtime) in (1,2,3),'
一季度',iif(month(addtime) in (4,5,6),'
二季度',iif(month(addtime) in (7,8,9),'
三季度','
四季度'))) as season, sum(num), year(addtime)
from riq
group by year(addtime), iif(month(addtime) in (1,2,3),'
一季度',iif(month(addtime) in (4,5,6),'
二季度',iif(month(addtime) in (7,8,9),'
三季度','
四季度')));
並給了我測試
access
用的一例子：
code:
dim conn
dim db
dim connstr
db = "db1.mdb"
on error resume next
set fgetcnnstr = server.createobject("adodb.connection")
fgetcnnstr.open connstr
if err then
err.clear
set fgetcnnstr = nothing
response.write " error......"
response.end()
end if
strsql ="select iif(month(addtime) in (1,2,3),'
一季度',iif(month(addtime) in (4,5,6),'
二季度',iif(month(addtime) in (7,8,9),'
三季度','
四季度'))) as season, sum(num) as znum, year(addtime) as pyear from riq group by year(addtime), iif(month(addtime) in (1,2,3),'
一季度',iif(month(addtime) in (4,5,6),'
二季度',iif(month(addtime) in (7,8,9),'
三季度','
四季度'))) order by year(addtime) desc , iif(month(addtime) in (1,2,3),'
一季度',iif(month(addtime) in (4,5,6),'
二季度',iif(month(addtime) in (7,8,9),'
三季度','
四季度')))"
set rs = server.createobject("adodb.recordset")
rs.open strsql,fgetcnnstr,1,1
if not rs.bof then
olddate=0
do while not rs.eof
if rs("pyear")<>olddate then response.write rs("pyear")"
年的統計結果
"""
response.write rs("season")":"&rs("znum")":""
"
olddate=rs("pyear")
rs.movenext
loop
end if
該資料庫中就只有二個字段：即
addtime
、znum
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