sql查詢相關

– 查詢指定列所在表

select a.name,b.name as cname

from syscolumns a
left
join sysobjects b
on a.cdefault=b.id
where a.id=object_id(
'dt001_proc-4abafc26-5a8e-49d3-8af5-f5b228c87858'
)and a.name=
'dp_fvoucherno'

select

top10
*from store_store a where
notexists
(select
1from
(select
top30 ss_id from store_store order
by ss_id)a1 where a1.ss_id=a.ss_id)
order
by ss_id

mysql limit *,*

rownumber()

select

*from store_store 
order
by ss_id 
offset1*
2rows
fetch
next
3rows only

select

top10
*from
(select row_number(
)over
(partition
by 分組條件1
,分組條件2
order
by 順序條件 desc
)as rownum, 查詢結果字段
from 查詢表
) twhere t.rownum =
1

declare

@sqll
varchar
(1000)=
''select
@sqll
=@sqll
+'['
+a.wu_state+
'],'
from
(select
distinct wx001_users.wu_state
from wx001_users/*列的值*/
) aset
@sqll
=substring(
@sqll,0
,len
(@sqll))
-- select substring(@sqll,0,len(@sqll))
declare
@rzcsql
varchar
(max)=''
set@rzcsql='
select * from (select wu_id,wu_gender,wu_state
from wx001_users
group by wu_state,wu_id,wu_gender
) /*資料來源*/
as p
pivot 
( count(p.wu_id/*行轉列後 列的值*/) 
for 
p.wu_state/*需要行轉列的列*/ 
in ('
+@sqll+'
)) as t'
-- select @rzcsql
exec
(@rzcsql
)

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