query database table: display

Showing posts with label display. Show all posts

Wednesday, March 28, 2012

How to remove new line characters?

I want to display the example record below in a text box without the hard
returns. How can I strip them out so the record displays in one nice line?
The hard return shows as a sqaure box in the sql table, however it does not
paste into this web form. Imagine a sqaure box at the end of each line
below...
Bilat heel and ankle pain when walking and running
Medial knee pain bilat
Anterior compartment strain bilat
Bialt hips hurt w/ occassional low back painreplace(yourTextLine, char(13), ' ')
"Chris Patten" wrote:
> I want to display the example record below in a text box without the hard
> returns. How can I strip them out so the record displays in one nice line?
> The hard return shows as a sqaure box in the sql table, however it does not
> paste into this web form. Imagine a sqaure box at the end of each line
> below...
> Bilat heel and ankle pain when walking and running
> Medial knee pain bilat
> Anterior compartment strain bilat
> Bialt hips hurt w/ occassional low back pain

Wednesday, March 7, 2012

How to read block of rows from database tables

have created a Database Application in Java and display all the records in tabular format of one Table. This table have Millions of Rows, If I run Select * from Table, then my Machine not responding, so Now I wants to add paging of 1000 rows at one time.

Is there are any option/query to read block of rows at one time and then query again for next page ?

i.e In MYSQL have LIMIT clause with Select Statement

Please let me know..

Database : SQL Server 2000/2005,

Thanks in Advance
Laxmilal

Whenever you use Select statement you must use WHERE condition to limit the rows.

Eg.

Select col1,col2.... From Tablename WHERE someid between 1 and 1000

Madhu

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You 'Machine not responding' is most likely due to waiting for millions of rows to come back from the server.

You really need to limit the quantity of data that you are requesting from SQL Server. Without WHERE clause criteria that enforces limits, you are unnecessarily wasting bandwidth (and time) as more data than you need for the operation at hand is being transported to the client application.

With SQL 2005, you may wish to explore using the new ROW_NUMBER() function to assist in retrieving specific 'blocks' of rows.

Referring to Books Online, Topic: ROW_NUMBER()

Example:

USE AdventureWorks; GO

WITH OrderedOrders AS ( SELECT SalesOrderID, OrderDate, ROW_NUMBER() OVER (ORDER BY OrderDate) AS 'RowNumber' FROM Sales.SalesOrderHeader ) SELECT * FROM OrderedOrders WHERE RowNumber BETWEEN 50 AND 60;(You should be able to adapt this concept for your needs.)

Friday, February 24, 2012

How to query on a date range, display matching records but also display companies with no matchi

OK, hopefully someone can help me on this one. I have a report that allows a user to select a date range and returns the applicable data. Hypothetically, this returns to the user 3 rows of data for 3 different companies\sites. The problem is that the client wants to see the other 7 companies\sites that don't have data for the date range specified by the user, in the same report.

I am having issues with this as my query returns the results that exist within the date range. If now rows of data exist for the date range, how can I possibly display the other 7 companies? I looked at embedding a report inside of another report, but I can't think of a query I could write that says, if these companies are not in the result set generated by the user, display them anyway. I also looked at using a different dataset then the one I included below.

Maybe I am missing something, I don't know. I am pretty knew to SQL but don't know how to go about capturing this data. I included my query for your review. It relies on views and whatnot, but maybe someone has an idea I could look into.

SELECT TOP (100) PERCENT vTTAttRollup.BellCity, vTTAttRollup.DeputyDirector, vTTAttRollup.Site, SUM(vTTAttRollup.HC) AS HC, SUM(vTTAttRollup.ProgDays)
AS ProgDays, vTTAttRollup.ProgramStartDate, vTTAttRollup.TotalProgDays, DailyFTE.Offer_Hired
FROM vTTAttRollup LEFT OUTER JOIN
DailyFTE ON vTTAttRollup.Site = DailyFTE.Site
WHERE (vTTAttRollup.AttendanceDate >= @.StartDate) AND (vTTAttRollup.AttendanceDate < @.EndDate + 1) AND (vTTAttRollup.ProgramStartDate < @.StartDate)
GROUP BY vTTAttRollup.BellCity, vTTAttRollup.DeputyDirector, vTTAttRollup.Site, vTTAttRollup.ProgramStartDate, vTTAttRollup.TotalProgDays,
DailyFTE.Offer_Hired
ORDER BY vTTAttRollup.BellCity, vTTAttRollup.DeputyDirector, vTTAttRollup.Site

Jambi,

you can basically write an Union Sql query

UNION ALL

WHERE some 7 other company exist

GROUP BY vTTAttRollup.BellCity, vTTAttRollup.DeputyDirector, vTTAttRollup.Site, vTTAttRollup.ProgramStartDate, vTTAttRollup.TotalProgDays,
DailyFTE.Offer_Hired
ORDER BY vTTAttRollup.BellCity, vTTAttRollup.DeputyDirector, vTTAttRollup.Site

The union statement will return your date range and the other 7 company data if they exist.

Ham

How to query on a date range, display matching records but also display companies with no ma

Jambi,

you can basically write an Union Sql query

UNION ALL

WHERE some 7 other company exist

The union statement will return your date range and the other 7 company data if they exist.

Ham

Sunday, February 19, 2012

How to query for master-detail output on same page

I'd like to create a master-detail output from SQL2005 to display in a page using classic ASP. Ideally, I want the output to contain a <div> to show/hide the order details beneathe the order header, as shown below.

OrderNo OrderDate

1001 7/27/2007

+ <div to show/hide>

Item Description

AAA desc_for_itemAAA

BBB desc_for_itemBBB

+ </div>

1002 7/26/2007

+ <div to show/hide>

Item Description

CCC desc_for_itemCCC

+ </div>

I currently just have a stored procedure returning the results and it is very slow as I'm simply querying the details section for each order header. Does anyone have any ideas on how I can create an efficient and fast method for returning these results in the format above?

It’s always better to do these rendering on the ASP/UI page,

For your courtesy,

Code Snippet

Create Table #order (

[OrderNo] int ,

[OrderDate] datetime

);

Insert Into #order Values('1001','7/27/2007');

Insert Into #order Values('1002','7/26/2007');

Create Table #orderdetails (

[OrderNo] int ,

[Item] Varchar(100) ,

[Description] Varchar(100)

);

Insert Into #orderdetails Values('1001','AAA','desc_for_itemAAA');

Insert Into #orderdetails Values('1001','BBB','desc_for_itemBBB');

Insert Into #orderdetails Values('1002','CCC','desc_for_itemCCC');

Select

OrderNo,

OrderDate,

Replace(Replace((Select '<td>' + Item + '</td><td>' + Description + '</td>' as [text()] From #orderdetails OD Where OD.[OrderNo] = O.[OrderNo] For XML Path('tr')),'>','>'),'<','<')

From

#order O

<!--

On ASP/UI page,

While NOT rs.eof

Response.Write(“<tr><td>”)

Response.Write(rs(0))

Response.Write(“</td><td>”)

Response.Write(rs(1))

Response.Write(“</td></tr><tr>”)

Response.Write(“<td colspan=2><span style='cursor:hand' click=ExpandOrCollopse(‘div_” + rs(0) + “’)>+</span>”)

Response.Write (“<div style='display:none' id=’div_”)

Response.Write(rs(0))

Response.Write(“’><table>”)

Response.Write(rs(2))

Response.Write(“</table></div>”)

Wend

-->

|||

What you are proposing is clearly a presentation side issue and should not be 'forced' on SQL Server.

I suggest that you may find utility in the new XML output functionality.

|||

Manivannan, thanks for the sample code. I was able to create an output as you explained.

Arnie, can you point me to an easy to understand resource for this xml output functionality? I haven't really had any exposure to xml.

|||

Here are a couple of resources to get you started:

http://www.topxml.com/sql/

http://technet.microsoft.com/en-us/library/ms175024.aspx

Using XML data is perfect for web applications.