Solved

Some tsql

Posted on 2012-03-18
2
272 Views
Last Modified: 2012-03-28
Hello,

I have a table called Documents that holds a number of documents.  There are couple of columns that are interesting to me.  

The first is doc_Datetime that holds the datetime that the document was added.

The second is the doc_Exported (bit) that tells me the document has been exported.

I need help with a query that will show the total number of documents recieved each day, and the number of them that have been exported.

The result set should even include days when no records have been received.

Something like:

Date                  Documents received   Documents exported.
2012-03-18       123                               80
2012-03-19       10                                 9
2012-03-20       0                                   0
2012-03-21       12                               11

Thanks!
0
Comment
Question by:soozh
  • 2
2 Comments
 
LVL 42

Expert Comment

by:dqmq
ID: 37735181
the basic query is easy:

select date, count(*), sum(exported) as exported
from
(select  convert (varchar(10), doc_datetime ,101) as Date, case when doc_exported = 1 then 1 else 0 end as exported from YOURTABLE) as tmp
group by date
order by date

Returning rows for missing dates is tricky, I'll need to get back to you about that.  Do you have a table of dates, perchance?
0
 
LVL 42

Accepted Solution

by:
dqmq earned 500 total points
ID: 37735224
try this:

;with cte as
(select min(cast(convert (varchar(10), doc_datetime ,101) as datetime)) as date
      , max(cast(convert (varchar(10), doc_datetime ,101) as datetime)) as max
 from YOURTABLE
 union all
 select date + 1, max from cte where date < max)

select cte.date, count(tmp.date) as received, isnull(sum(exported),0) as exported
from
(select cast(convert (varchar(10), doc_datetime ,101) as datetime) as Date, case when doc_exported = 1 then 1 else 0 end as exported from YOURTABLE) as tmp
right join cte on tmp.date = cte.date
group by cte.date
order by cte.date
0

Featured Post

NAS Cloud Backup Strategies

This article explains backup scenarios when using network storage. We review the so-called “3-2-1 strategy” and summarize the methods you can use to send NAS data to the cloud

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

If you find yourself in this situation “I have used SELECT DISTINCT but I’m getting duplicates” then I'm sorry to say you are using the wrong SQL technique as it only does one thing which is: produces whole rows that are unique. If the results you a…
Ever needed a SQL 2008 Database replicated/mirrored/log shipped on another server but you can't take the downtime inflicted by initial snapshot or disconnect while T-logs are restored or mirror applied? You can use SQL Server Initialize from Backup…
Familiarize people with the process of retrieving data from SQL Server using an Access pass-thru query. Microsoft Access is a very powerful client/server development tool. One of the ways that you can retrieve data from a SQL Server is by using a pa…
Via a live example combined with referencing Books Online, show some of the information that can be extracted from the Catalog Views in SQL Server.

803 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question