Select Top N Records With A Certain Value
Jan 2, 2008
I have a table, productTable, that contains a ProductID column, a bunch of attribute columns like manufacturer etc, and a GroupID. Many different productIDs can share the same GroupID which means that they are basically the same product with one different attribute such as color. What I'm trying to do is select all the products in the TOP N GroupIDs. I'm using this to paginate my query results. I tried this which does not work:
SELECT DISTINCT TOP 10 *
FROM productTable
WHERE GroupID NOT IN
(SELECT DISTINCT TOP 10 GroupID
FROM productTable
ORDER BY GroupID)
ORDER BY GroupID
This returns the TOP 10 rows, but I would like all the ProductIDs for the TOP 10 GroupIDs
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Nov 2, 2006
Hello
Im searching for a solution to set all matrix row or cell the same height.
it schoud looks like this example:
This is a simple matrix
test a
text b
text c
text d
text e
text f
text g
This is a matrix with all the same row-height.
test a
text b
.
text c
.
.
text d
text e
text f
text g
.
.
Thx you a lot
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Aug 16, 2007
Dear All
I need to cerate a SP that SELECTS all the records from a table WHERE the first letter of each records starts with 'A' or 'B' or 'C' and so on. The letter is passed via a parameter from a aspx web page, I was wondering that someone can help me in the what TSQL to use I am not looking for a solution just a poin in the right direction. Can you help.
Thanks Ross
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Aug 6, 2007
SELECT Top 10 Name, Contact AS DCC, DateAdded AS DateTimeFROM NameTaORDER BY DateAdded DESC
I'm trying to right a sql statement for a gridview, I want to see the last ten records added to the to the database. As you know each day someone could add one or two records, how can I write it show the last 10 records entered.
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Aug 17, 2005
I have an unusual problem. I am using VB.Net 2003 and sqlexpress using .NET dataset to insert records into an timecards table. After inserting several records I tried a 'Select * from timecards' and the inserted records where not selected. if I 'select * from timecards order by employee' ( or any other field) the inserted records are selected! The table was created by an Access Upsize command.
Any suggestions?
Thanks!
GordonG
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Aug 30, 2006
A basic select statement to be used.
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Apr 30, 2007
Hello,I am selecting some articles and some comments related with it:SELECT a.ArticleID, a.Title, a.Content, c.CommentId, c.Title, c.Comment, u.UserName AS ArticleAuthorName, u.UserEmail AS ArticleAuthorEmailFROM Articles aINNER JOIN Users u ON a.AuthorID = u.UserIDINNER JOIN Comments c ON a.ArticleID = c.ArticleIDI have 2 problems which I am trying to solve:1. Comments table also have an AuthorId So for each comment I also want to join to Users table and get the author name and email. How can I do this?2. I want to select all Articles even if it has comments or not. Can I use Inner Join or should I use Left Join? Is Outer Join still available in SQL 2005?Thank You,Miguel
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Jul 14, 2007
Hi there,
I'm new to SQL.
I have encoutered a problem, I know how to select top 10 records from the database, but what about 11-20?
I can't use
Quote:
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Jan 12, 2006
I have a simple table something like this
ID First Last
1 Bob Hope2 Charles Draw3 Mark Andrews
Etc, etc
I need the SQL statement select the last 10 records in the table, so if the highest ID id 82 I need all fields of records with ID 72-82
Help appreciated, i'm sure it must be simple enough buy mind is blank.
thanks
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Jul 14, 2007
Hi there,
I'm new to SQL.
I have encoutered a problem, I know how to select top 10 records from the database, but what about 11-20?
I can't use
Quote: SELECT TOP 10 * FROM table WHERE id > 10
because even though my ID is auto numbered, but I have deleted some entries.
Does anyone have good solutions?
p.s I tried this and doesn't work either
Quote: SELECT TOP 10 * FROM table WHERE id IN(SELECT TOP 20 * FROM table ORDER by date DESC) ORDER BY date ASCENDING
TIA
-noPcz
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Aug 16, 2005
Stijn writes "Hello,
I have SQL 7 with WINDOWS 2000 SERVER
My problem is that i am looking for a script
my db is for equipement inventory
how can i select all the records from a room,
if this room (room1)has less of 100 records he needs te go to the follow room(room2), en the next room until he's got 100 records,
sorry for my english"
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Aug 18, 2005
Mack writes "I want to select last 2 records from a table AA which has following 5 records.
111
222
333
444
555
There is no primary key.
Any tip will be really appretiated.
Thanks for taking time to read it."
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Oct 4, 2007
Hi,
How to write a query to get top 50 distinct records from a table.
I mean I have a table 'C1_Subscribers' with a field name 'Nickname'. Here I need to select top 50 non-repeated nickname only.
Can anybody can help me!!
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Jul 23, 2005
Hello,Firstly, sorry for my english.I have problem with creating SQL statement. I am beginner and I think thatit is very easy to do. Look -I have to get only the last 20 records from table ABC (f.eg.) and accordingto that how to create the SQL statement? F.eg. SELECT name, forename, dateFROM abc WHERE....You know - how to finish the statement to get only 20 records lastlyinserted into the table?Thanks and I am waiting for helpfull answers.
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Jul 20, 2005
I can't get my head around this:I want to select all IDs from table A that do not have a related record intable B according to some condition:Table A contains, say, Parents and table B contains Children. I want toselect all Parents that have no children called "Sally" (this is a noddyexample, reminds me of being at Uni again :) ).Any ideas?Thanks
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Apr 29, 2007
Hello,I have two tables, Articles and Comments, with the following columns:Articles - [ArticleId] (PK), [ArticleTitle], [ArticleText], [ArticlePubDate]Comments - [CommentId] (PK), [ArticleId] (FK), [CommentTitle], [CommentText]I need to display on a web page the articles published during the last week and their comments.What I need is:1. Get Articles (DONE) 2. Get Comments for each ArticleThe solution I see are:1. Create a Stored procedure that somehow outputs 2 tables: Articles and Comments associated with those articles2. Create 2 Stored procedures: The first one outputs the articles. The second output all comments given an article ID In this case, while the data is being displayed on the page it will load the comments for each article. The problem is that I will have many round trips to the server.I know how to use (2) but this would give me many round trips to the database.Could someone help me out with this?Thanks,Miguel
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Oct 10, 2007
Hello, I have the following tables: declare @B table (Bid int identity, description varchar(50)) declare @P table (Pid int identity, Bid int, description varchar(50)) declare @T table (Tid int identity, description varchar(50)) declare @TinP table (TinPid int identity, Tid int, Pid int) insert into @B (description) select 'B1' insert into @B (description) select 'B2' insert into @P (description, Bid) select 'P1', 1 insert into @P (description, Bid) select 'P2', 1 insert into @P (description, Bid) select 'P3', 2 insert into @T (description) select 'T1' insert into @T (description) select 'T2' insert into @T (description) select 'T3' insert into @TinP (Tid, Pid) select 1, 2 insert into @TinP (Tid, Pid) select 2, 2 insert into @TinP (Tid, Pid) select 3, 3 select * from @B select * from @P select * from @T select * from @TinP I need to get all records in T (Tid and description) which are related to a given BId So for @Bi = 1 I would get: Tid Description 1 T1 2 T2 So I need the distinct values. How to solve this? Thanks, Miguel
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Nov 23, 2007
Hello,
I am writing a piece of code in ASP.NET and I'd like to get the # of records on a table and used this code:
Dim ConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source='G:Aco ProntoBSCBSC_v1.mdb'"Dim Con As New OleDbConnection(ConnString)
Dim Cmd As New OleDbCommand("SELECT COUNT(*) AS Expr1 FROM Metricas", Con)Dim reader As OleDbDataReader
Con.Open()
reader = Cmd.ExecuteReader()Dim NumMetr As Integer = Val(reader("Expr1"))
reader.Close()
Con.Close()
I am getting an error that that's no data in the table.
Any suggestions?
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Apr 6, 2004
I am trying to select all records added between 2 dates that the user inputs into a form and am having problems. I had this working no problems with asp but can't seem to get it working with .net. BTW I am using SQL Server and Visual Studio.
The asp.net code I am trying to use is:
Me.SqlSelectCommand1.CommandText = "SELECT news_title, news_date, news_type, news_link FROM news WHERE (news_type = 'news') AND (news_date BETWEEN CONVERT(DATETIME, '"" & startdate & ""', 102) AND CONVERT(DATETIME, '"" & enddate & ""', 102))"
....
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim startdate As DateTime
startdate = Request.Form("date_from")
Dim enddate As DateTime
enddate = Request.Form("date_to")
SqlDataAdapter1.Fill(DataSet1)
Repeater1.DataSource = DataSet1
Repeater1.DataBind()
End Sub
With this I am getting the following error:
"Syntax error converting datetime from character string. "
So I am assuming it is something to do with the way I am getting the date from the form as when I hardcode the dates in it works???
Any help would be greatly appreciated, thanx
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Nov 14, 2005
Hi world,Normally we receive the results of a query in several or thousands of rows. Select * From Clients-------------------------Row1. Client1Row2. Client2....Which is the the way to have everything on the same row separated by commas?Row1. Client1, Client2...thxDavid
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Sep 21, 2007
Hello!
I have a table, where one of the columns is the date/timestamp of when each row was inserted. I want to be able to extract the most recently inserted rows.
With Sybase (a not so distant cousin of MS SQL) the following works:
select * from TABLE having date = max(date)
With MS SQL, however, the same query does not work:
Column 'TABLE.date' is invalid in the select list because it is not contained in an aggregate function and there is no GROUP BY clause.
What's the solution? Thanks!
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Jan 10, 2013
I have table that I need to retrieve the top 2 records, the issue is I have 3 records with the same date, but I only want the first 2. Each record looks something like this.
id, team, date, setnr, series
1, 3, 1/1/2013, 1, 1102
1, 3, 1/1/2013, 2, 1231
1, 3, 1/1/2013, 3, 1023
1, 3, 1/5/2013, 4, 1024
1, 3, 1/5/2013, 5, 1123
1, 3, 1/5/2013, 6, 1232
2, 2, 1/1/2013, 1, 1032
2, 2, 1/1/2013, 2, 1221
2, 2, 1/1/2013, 3, 1023
2, 2, 1/5/2013, 4, 1231
2, 2, 1/5/2013, 5, 1112
2, 2, 1/5/2013, 6, 1231
I have to be able to add the series up of only the first two records for each id based on date. Here is a sample query
select sum(series), date from table group by date order by sum(series) desc
This gives me the total for all three and gives it to me in descending order. I need the records for set 1 and 2 of each of the Id. There are many records but the date and the setnr doesn't duplicate.
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Apr 22, 2008
Hello,
Is it possible to select 10 random records from a table?
Thanks,
Miguel
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Jun 11, 2008
Hi guys
I have a table that stores records and each receord has a default logflag value of 0.Each time any record is changed,a new record is inserted with similar vaues but logflag flag remains 0.The original record that was modified will is kept but will have its log flag set to 1.
Now i want to display the two records in a report one on top of the other so that users can clearly see what chages were made for audit purposes.
How do i do my select statement so that for each record that was modified,the original one(logflag 1) is displayed and the new modified one(logflag 0 ) is also displayed just below it.
ie
id name email address city logflag modifieddate
23 rob rob@me.com oxford lane wolverton 1 20/6/2008
23 rob robe@me.com huge road burnside 0 null
The same should be done for all the modified records.
When a record is has not been modified,it should not be displayed by the select statement.
Thanks in advance
In god we trust,everything else we test.
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Jan 24, 2014
I am trying to write a script that will only insert records that do not exist to a local table. Whenever a form is changed, it keeps the same name, but a new record is created with a new ID. I need to be able to pull the new record by checking for ID's that are not on the local table, but using a form name to isolate. The nested select I am attempting is
select distinct qf.[eform_id]
, qf.[name]
, qf.[description]
from [qfiniti].[qfiniti_platform].[dbo].[eval_forms] qf
inner join FORMS_REF fr on qf.[name] collate database_default = fr.form_name collate database_default
where not exists (select fr.eform_id
from forms_ref fr
inner join [qfiniti].[qfiniti_platform].[dbo].[eval_forms] qf on fr.eform_id = qf.eform_id);
It is outputting nothing, but I have intentionally deleted one form record to force it to show up.
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Feb 11, 2015
Here is my table data:
CREATE TABLE
#TestTable (
Pk INT,
GroupID INT,
Enabled BIT
[code]..
I need to write a select query that will retrieve any GroupID in which every record has an Enabled value of 1.In the example I've provided, only GroupID 1 and 3 will be returned since GroupID 2 has a record with an Enabled value of 0.What would be the most efficient way to write such a query?
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Aug 22, 2005
i need a script that:
select all records from a room, if the records in that room have a recordcount less then 100 records continue with next room until
we have 100 records, the next time i run this script, i must give me other rooms (random)
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Dec 14, 2007
I currently use this query to select 4000 contacts from our database:
SELECT TOP 4000 * FROM wce_contact
where website not like ''
and expressemail like '%@%'
and idstatus like ''
and salutation not like '%there%'
and task not like '%x%'
So I use this query to send out emails, then I want the next set of contacts, so I am obv after the contacts 4001 to 8000. How would I right this into the above query?
Hope it all makes sense?
JT
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Aug 7, 2005
HiI'm using Access 2002. I have 2 tables tblGroupContact,tblGroupPermission, both have 2 fields identical structure:ContactID GroupID (Both are Composite keys and both hold integers)tblGroupContact holds everybody and the groups they are members of.tblGroupPermission holds only those people who have permission to makechanges to another part of the DB.The SQL at the end of post works, but opens a dialogue box looking fora parameter value 'query1.ContactID'Clicking enter or cancel (without entering anything) works OK.What have I done wrong to cause this parameter request.Thanks ColinKSELECT tblGroupContact.ContactID, tblGroupContact.GroupIDFROM tblGroupContact LEFT JOIN tblGroupPermission ON(tblGroupContact.ContactID = tblGroupPermission.ContactID) AND(tblGroupContact.GroupID = tblGroupPermission.GroupID)WHERE (((tblGroupPermission.ContactI*D) Is Null) AND((tblGroupPermission.GroupID) Is Null));
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Mar 13, 2007
how to select 200 first records from table?-- Thank you,De Cool,EPE
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Jul 20, 2005
This seems so simple yet I can't figure it out.I have a table that has two important columns for this query.Column A has varcharColumn B is datetimeAll I want to do is select any record that is between 5:00 am and10:00 am regardless of what date it falls under.In my brain I seeSelect *From <table>Where B Between Like ‘%5%am' and Like ‘%10%am'This chokes and I suppose its because Between is literal and Like isvariable.I cant convert column B to just times because I still need to see thedate in the results of the query.Thanks in advance for help
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Aug 30, 2007
I got 3 table below
Region
---------------
RegionID
ParentID
RegionName
Cuisine
--------
CuisineID
CuisineName
Restaurant
-----------
RetaurantID
CuisineID
RegionID
Data
RegionID RegionName ParentID
1 RN_1 Null
2 RN_2 Null
3 RN_1_1 1
4 RN_1_2 1
5 RN_2_1 2
CuisineID CuisineName
1 CU1
2 CU2
RestaurantID CuisineID RegionID
1 1 4
2 1 2
3 2 5
4 1 3
What I would like is to write a stored procedure to browse the restaurant by either regionname or cuisinename.
I tried to create the view from those three table and create the stored procedure to search from the view based on criterias
I tried to search for regionName = RN_1 & CuisineName = 2 the result is empty. It is true because there is no restaurant under that region however what I want to have is list all restaurants under that RegionName children e.g
RN_1 has RN_1_1 & RN_1_2 & RN_1_3 so the result should be displayed as
RestaurantID CuisineID RegionName ParentID
1 1 RN_1_2 1
4 2 RN_1_1 1
Could anyone help me to do so. Thank you
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Mar 29, 2007
I posted this question last night and thought I had an answer. I have a date field. I want to be able to filter records by the month of the date. To do this, I pass the integer of the month. But I also want to be able to return all the records if no month integer is passed. So functionally,select * from table where (MONTH([AD ENDS]) = @month)will return all records where [Ad Ends] is in January if @month = 1 and all records if @month is empty. The solution I got last night was to use select * from table where (MONTH([AD ENDS]) = ISNULL(@month, MONTH([AD ENDS]))) If @month is null, all records are returned. I was focused on another aspect of the page when this was posted. It worked in the designer, so I thought I was set. This morning I realized I don't know how to pass a null variable in a querystring. Since a querystring is a string, it probably can't be done. Another suggestions was to change this programmatically. But is there a way to do this in the dataset? I'm using SQL Server 2005, a strongly typed dataset and the designer.Diane The answer i got last night was to
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