Unique Last Result
Mar 22, 2008
Hi,
My table is like the following
[Phone] [Time] [Result]
5551212 0812 No Answer
5551212 1203 Answering Machine
...
5551213 0813 Busy
5551213 1634 No Answer
So as you can see, Phone contains phone number, Time contains time the number was called and [Result] contains the outcome.
Now I need a query that gives me all the Phones on which the LAST outcome was No Answer. I don't need the Phone if it had a No Answer sometime during the day but not the last Result. I just need the last result.
I need unique phone numbers obviously.
The Time field is DateTime. So am using it to sort right now. But I am pretty sure there's a better way.
I must also mention that I just have readonly rights and cannot create a new table if required.
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Oct 5, 2005
Hello all, i have a question i've beenk thinking for a little bit andcant seem to come up with a solution. What i want to do is add a uniquecounter to a resultset in query. For exampleSELECT ColumnA, ColumnB, ColumnC, ColumnDFROM AnyCombinationOfJoinsOrTablesWHERE SomeConditionIsTruewThe query above will produce a resultest of 4 columns.'A1', 'B1', 'C1', 'D1''A2', 'B2', 'C2', 'D2''A3', 'B3', 'C3', 'D3'......'An', 'Bn', 'Cn, 'Dn'Now what i want to do is add a unique identifier to every row. Theeasiest way would be to add a counter integer so the resultset wouldlook like1, 'A1', 'B1', 'C1', 'D1'2, 'A2', 'B2', 'C2', 'D2'3, 'A3', 'B3', 'C3', 'D3'......n, 'An', 'Bn', 'Cn, 'Dn'Is there a way to achieve this in T-SQL without using cursors.Thanks,Gent
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Jul 9, 2015
I've got the following query
SELECT MAX(CountCategories.countOfCategory) AS maxCategory, CountCategories.phoneNumber, CountCategories.category
FROM
(SELECT Categories.phoneNumber, Categories.category, Count(Categories.category) AS CountOfcategory
FROM Categories
GROUP BY Categories.phoneNumber, Categories.category) AS CountCategories
GROUP BY CountCategories.phoneNumber, CountCategories.category;
As you can see I have a sub query that is counting categories for the same phoneNumber and category. I then create a Select query about this as I wanted to only return the highest result. However the above query is returning the same as the subquery.It isn't showing me the unique result for the highest count.
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Dec 30, 2004
I try to search my data and sort the result by importance.
I'm using a MS Access database and my data (table1) looks like this:
Code:
ID NAME TEXT
1 Apples Good red apples
2 Bananas Fine yellow bananas
3 Yellow apples Great yellow apples
I want to search the data and get a result where the column "NAME" is more important than "TEXT". My SQL looks like this:
Code:
SELECT id,name,text,1 AS searchorder FROM table1 WHERE name LIKE '*yellow*'
UNION
SELECT id,name,text,2 AS searchorder FROM table1 WHERE text LIKE '*yellow*'
ORDER BY searchorder
The output is this:
Code:
ID NAME TEXT SEARCHORDER
3 Yellow apples Great yellow apples 1
2 Bananas Fine yellow bananas 2
3 Yellow apples Great yellow apples 2
So far so good - the order by importance works - but I do not get unique columns because of the searchorder column.
Can I fix my SQL so I get unique columns where the last line of "Yellow apples" does not appear or am I lost in space?
Best regards,
Peter from Denmark
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Jul 8, 2013
If I have a simple query like:
select * from bigtable
where product_code in ('abc','def','hij','klm')
I know that each of those product_codes will return a large data set. What I'd like to do is to run the same query but constrain the result set to a max rownum of 200.
Is this possible?
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Mar 7, 2006
Hi AllStrange request I know, but could somebody give me pointers on how I can put3 queries into 1 'thing' and then get only the unique entries from this'thing'.To explain, I'm using Excel/VBA/ODBC to query an SQL DB. The 3 queriesthemselves aren't that complex and all return the same 2 fieldsets of stockcode and stock desc. Because these separate queries might bring back thesame stock code/description I need to amalgamate the data and then queryagain to bring out only distinct stock values, eg:Query 1 brings back:stock code stock descIVP Invoice PaperSTP Statement PaperKGC Keyboard Coveretc... etc...Query 2 brings back:stock code stock descIVP Invoice PaperBOB Back PackKGC Keyboard Coveretc... etc...Query 3 brings back:stock code stock descKGC Keyboard Cover3.5"D 3.5" Disksetc... etc...I need to produce 1 resultset that shows:stock code stock descIVP Invoice PaperBOB Back Pack3.5"D 3.5" DisksKGC Keyboard CoverSTP Statement Paperetc... etc...(all unique entries)I'm currently just bringing back the 3 query results in Excel, but I'd liketo be able to do the above.In light of I'm using Excel/VBA/ODBC on a PC, is it possible to do?ThanksRobbie
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Jul 5, 2015
This index is not unique
ix_report_history_creative_id
Msg 2601, Level 14, State 1, Procedure DFP_report_load, Line 161
Cannot insert duplicate key row in object 'dbo.DFP_Reports_History' with unique index 'ix_report_history_creative_id'.
The duplicate key value is (40736326382, 1, 2015-07-03, 67618862, 355324).
Msg 3621, Level 0, State 0, Procedure DFP_report_load, Line 161
The statement has been terminated.
Exception in Task: Cannot insert duplicate key row in object 'dbo.DFP_Reports_History' with unique index 'ix_report_history_creative_id'. The duplicate key value is (40736326382, 1, 2015-07-03, 67618862, 355324).
The statement has been terminated.
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Sep 22, 2004
A UNIQUE INDEX must inherently impose a unique constraint and a UNIQUE CONSTRAINT is most likely implemented via a UNIQUE INDEX. So what is the difference? When you create in Enterprise Manager you must select one or the other.
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Jul 20, 2005
HelloWhat should I use for better perfomance sinceunique constraint always use index ?ThanksKamil
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Jun 24, 2006
What's the difference in the effect of the followings:
CREATE UNIQUE NONCLUSTERED INDEX
and
ALTER TABLE dbo.titles ADD CONSTRAINT
titleind UNIQUE NONCLUSTERED
I found there're two settings in Indexs/Keys dialog box of the management studio, Is Unique, and Type. The DDL statements above are generated by setting Is Unique to yes plus Type to Index, and just Type to Unique Key, respectively. What's the difference between them?
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Jul 20, 2005
I need to send the result of a procedure to an update statement.Basically updating the column of one table with the result of aquery in a stored procedure. It only returns one value, if it didnt Icould see why it would not work, but it only returns a count.Lets say I have a sproc like so:create proc sp_countclients@datecreated datetimeasset nocount onselect count(clientid) as countfrom clientstablewhere datecreated > @datecreatedThen, I want to update another table with that value:Declare @dc datetimeset @dc = '2003-09-30'update anothertableset ClientCount = (exec sp_countclients @dc) -- this line errorswhere id_ = @@identityOR, I could try this, but still gives me error:declare @c intset @c = exec sp_countclients @dcWhat should I do?Thanks in advance!Greg
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Dec 26, 2007
I have an Execute SQL Task that executes "select count(*) as Row_Count from xyztable" from an Oracle Server. I'm trying to assign the result to a variable. However when I try to execute I get an error:
[Execute SQL Task] Error: An error occurred while assigning a value to variable "RowCount": "Unsupported data type on result set binding Row_Count.".
Which data type should I use for the variable, RowCount? I've tried Int16, Int32, Int64.
Thanks!
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Dec 11, 2007
Hi all,
I copied the following code from Microsoft SQL Server 2005 Online (September 2007):
UDF_table.sql:
USE AdventureWorks;
GO
IF OBJECT_ID(N'dbo.ufnGetContactInformation', N'TF') IS NOT NULL
DROP FUNCTION dbo.ufnGetContactInformation;
GO
CREATE FUNCTION dbo.ufnGetContactInformation(@ContactID int)
RETURNS @retContactInformation TABLE
(
-- Columns returned by the function
ContactID int PRIMARY KEY NOT NULL,
FirstName nvarchar(50) NULL,
LastName nvarchar(50) NULL,
JobTitle nvarchar(50) NULL,
ContactType nvarchar(50) NULL
)
AS
-- Returns the first name, last name, job title, and contact type for the specified contact.
BEGIN
DECLARE
@FirstName nvarchar(50),
@LastName nvarchar(50),
@JobTitle nvarchar(50),
@ContactType nvarchar(50);
-- Get common contact information
SELECT
@ContactID = ContactID,
@FirstName = FirstName,
@LastName = LastName
FROM Person.Contact
WHERE ContactID = @ContactID;
SELECT @JobTitle =
CASE
-- Check for employee
WHEN EXISTS(SELECT * FROM HumanResources.Employee e
WHERE e.ContactID = @ContactID)
THEN (SELECT Title
FROM HumanResources.Employee
WHERE ContactID = @ContactID)
-- Check for vendor
WHEN EXISTS(SELECT * FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
THEN (SELECT ct.Name
FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
-- Check for store
WHEN EXISTS(SELECT * FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE sc.ContactID = @ContactID)
THEN (SELECT ct.Name
FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE ContactID = @ContactID)
ELSE NULL
END;
SET @ContactType =
CASE
-- Check for employee
WHEN EXISTS(SELECT * FROM HumanResources.Employee e
WHERE e.ContactID = @ContactID)
THEN 'Employee'
-- Check for vendor
WHEN EXISTS(SELECT * FROM Purchasing.VendorContact vc
INNER JOIN Person.ContactType ct
ON vc.ContactTypeID = ct.ContactTypeID
WHERE vc.ContactID = @ContactID)
THEN 'Vendor Contact'
-- Check for store
WHEN EXISTS(SELECT * FROM Sales.StoreContact sc
INNER JOIN Person.ContactType ct
ON sc.ContactTypeID = ct.ContactTypeID
WHERE sc.ContactID = @ContactID)
THEN 'Store Contact'
-- Check for individual consumer
WHEN EXISTS(SELECT * FROM Sales.Individual i
WHERE i.ContactID = @ContactID)
THEN 'Consumer'
END;
-- Return the information to the caller
IF @ContactID IS NOT NULL
BEGIN
INSERT @retContactInformation
SELECT @ContactID, @FirstName, @LastName, @JobTitle, @ContactType;
END;
RETURN;
END;
GO
----------------------------------------------------------------------
I executed it in my SQL Server Management Studio Express and I got: Commands completed successfully. I do not know where the result is and how to get the result viewed. Please help and advise.
Thanks in advance,
Scott Chang
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Feb 13, 2001
HI,
I ran a select * from customers where state ='va', this is the result...
(29 row(s) affected)
The following file has been saved successfully:
C:outputcustomers.rpt 10826 bytes
I choose Query select to a file
then when I tried to open the customer.rpt from the c drive I got this error message. I am not sure why this happend
invalid TLV record
Thanks for your help
Ali
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May 1, 2008
As the topic suggests I need the end results to show a list of shows and their dates ordered by date DESC.
Tables I have are structured as follows:
SHOWS
showID
showTitle
SHOWACCESS
showID
remoteID
VIDEOS
videoDate
showID
SQL is as follows:
SELECT shows.showID AS showID, shows.showTitle AS showTitle,
(SELECT MAX(videos.videoFilmDate) AS vidDate FROM videos WHERE videos.showID = shows.showID)
FROM shows, showAccess
WHERE shows.showID = showAccess.showID
AND showAccess.remoteID=21
ORDER BY vidDate DESC;
I had it ordering by showTitle and it worked fine, but I need it to order by vidDate.
Can anyone shed some light on where I am going wrong?
thanks
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Aug 2, 2007
I am trying to code a WHERE xxxx IN ('aaa','bbb','ccc') requirement but it the return values for the IN keyword changes according to another column, thus the need for a CASE function.
WHERE GROUP.GROUP_ID = 2 AND DEPT.DEPT_ID = 'D' AND WORK_TYPE_ID IN ( CASE DEPT_ID WHEN 'D' THEN 'A','B','C' <---- ERROR WHEN 'F' THEN 'C','D ELSE 'A','B','C','D' END )
I kept on getting errors, like
Msg 156, Level 15, State 1, Line 44Incorrect syntax near the keyword 'WHERE'.
which leads me to assume that the CASE ... WHEN ... THEN statement does not allow mutiple values for result expression. Is there a way to get the SQL above to work or code the same logic in a different manner in just one simple SQL, and not a procedure or T-SQL script.
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Mar 7, 2001
Hi everyone,
I need urgent help to resolve this issue...
As far as the performance goes which one is better..
Unique Index(col1, col2) OR Unique constraint(col1, col2) ?
Unique constraint automatically adds a unique index
and unique index takes care of uniqueness then whats the use of unique constraint ?
Which one do one use ?
thanks
sonali
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Jan 20, 2006
BOL says a unique constraint is preferred over a unique index. It also states that a unique constraint creates a unique index. What then is the difference between the two, and why is a constraint preferred over the index?
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Mar 26, 2008
hi team,
.Can i create umique constraint with out unique index.when i am creating a unique constraint sql creates a unique index (default) can i have only unique constraint ?
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Mar 12, 2008
I am having a problem trying to figure out the best way to get the results I need. I have a table of part numbers that is joined with a table of notes. The table of notes is specific to the part number and user. A row in the notes table is only created if the user has entered notes on that part number. I need to create a search that grabs all matches on a keyword and returns the records. The problem is that it currently returns a row from the parts table with no notes and a separate row with the notes included if they had created an entry. It seems like this should be easy but it eludes me today.
Here is the code
Code Snippet
create procedure SearchPartKeyword
(
@Keyword varchar(250) = null,
@Universal_Id varchar(10) = null
)
as
select p.PartNumber, p.Description, p.ServiceOrderable, n.MyNotes, p.LargestAssembly, p.DMM,
p.Legacy, p.Folder, p.Printer
from Parts p inner join notes n on p.PartNumber = n.Identifier
where n.Universal_ID = @Universal_ID and p.Description like @Keyword
union
select p.PartNumber, p.Description, p.ServiceOrderable, '' as MyNotes, p.LargestAssembly,
p.DMM, p.Legacy, p.Folder, p.Printer
from Parts p
where p.Description like @Keyword
and the results:
PartNo Description SO Notes LA DMM Legacy Folder Printer
de90008 MAIN BOARD 1 DGF1 114688 0 0 0
de90008 MAIN BOARD 1 I love this part Really I do DGF1 114688 0 0 0
This could return multiple part numbers and If they have entered notes I want the row with the notes
Thank You
Dominic Mancl
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Nov 13, 2007
What 's difference between Unique key and unique index in SQL server 2005?
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Apr 7, 2015
I'm using a subquery to return a delivery charge line as a column in the result set. I want to see this delivery charge only on the first line of the results for each contract. Code and results are below.
declare @start smalldatetime
declare @end smalldatetime
set @start = '2015-03-22 00:00' -- this should be a Sunday
set @end = '2015-03-28 23:59' -- this should be the following Saturday
select di.dticket [Contract], di.ddate [Delivered], di.item [Fleet_No], di.descr [Description], dd.min_chg [Delivery_Chg], dd.last_invc_date [Delivery_Invoiced],
[code]....
In this example, I only want to see the delivery charge of 125.00 for the first line of contract HU004377. For simplicity I have only shown the lines for 1 contract here, but there would normally be many different contracts with varying numbers of lines, and I only want to see the delivery charge once for each contract.
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Mar 2, 2008
help strange result whan i do this
Code Snippet
SELECT unit_date, unit, ISNULL(NULLIF ((unit + DATEDIFF(mm, GETDATE(), unit_date)) % 4, 0), 4) AS new_unit
FROM dbo.empList
i try to get next unit value to next month
why i get this -1
on date
01/01/2008
1
-1
unit_date unit new_unit
01/02/2008
2
1
01/02/2008
1
4
01/01/2008
1
-1
01/02/2008
1
4
21/01/2008
1
-1
21/01/2008
1
-1
01/02/2008
1
4
TNX
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May 1, 2008
Here is the table I created:
create table Test (
[recId] [int] identity(1, 1) not null,
[code] [varchar](50) not null,
[prime] [bit] not null constraint [DF_Test_prime] default (cast(0 as bit)),
constraint [PK_Test] primary key clustered
(
[recId]
) with fillfactor = 90 on [primary]
) on [primary]
go
insert into Test (code, prime) values ('AVA', cast(1 as bit))
insert into Test (code, prime) values ('BUS', cast(1 as bit))
insert into Test (code, prime) values ('BUS', cast(0 as bit))
insert into Test (code, prime) values ('BUS', cast(0 as bit))
insert into Test (code, prime) values ('CAR', cast(1 as bit))
insert into Test (code, prime) values ('CAR', cast(0 as bit))
insert into Test (code, prime) values ('RLW', cast(1 as bit))
insert into Test (code, prime) values ('RLW', cast(0 as bit))
insert into Test (code, prime) values ('RLW', cast(0 as bit))
select *
from Test
I need to create a constraint on this table that will not allow me to have two rows that are prime for the same code. So the following insert statement should fail:
-- This should fail
insert into Test (code, prime) values ('RLW', cast(1 as bit))
Thanks for you help!
Regards,
Anand
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Apr 5, 2007
in sql server 2000
i know how to make primary key using enterprise manager
i want to make one of the columns foreign key,how to do that using enterprise manager.and what is the difference between both.
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Jan 19, 2001
I have one table called agents.
In this table there are two columns, one called "company number" (NUMBER) and one called "company name" (VARCHAR). I have an index called agents_PK that are unique and indexes both columns with company number as first and company name as second in the column order.
But when I look at the data in the column company number its not unique, I find several rows with the same number.
How come ?
Regards Mattias
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Nov 3, 2005
How do I write a select statement that finds items in a table that are not unique between two fields using the following?
Select A.KEY, AP.[EXPIREDATE]
From ACTKEY A Left Outer Join ACTKEY_PRODUCT AP
On A.KEY = AP.KEY
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May 13, 2004
I've always used the identity field in SQL server to maintain the unique id for a table. With the new DB design at work we brought in a dba and she made us move away from allowing SQL maintain the unique field and having us maintain the unique field in code. To do that we had to begin a transaction, do a select max(id) + 1, insert into table, commit transaction. Doing it this way, I'm starting to see deadlocks due to the transactions locking the table.
Getting down to what I wanted to know, what is the pro's/con's you guys see in maintaining the unique ID this way and is there a better way of creating an unique id in T-SQL code?
Thanks
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May 14, 2008
I know that primary key is a unique key .I read somewhere that a table can have both primary key and unique key at a time .Am I Right?Pl give clarification as asap.
Thank U
vedavathi zend
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Jan 31, 2007
I am using the sql function unique id ( create a new default call it newid and then give it the value newid() ) The problem is I'm trying to automatically populate that uniqueid field with the random 36 bit character. if I create a new record it will create the 36bit character, but how do I add the 36bit character to an existing table?
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Jun 1, 2007
Dear experts,
if i've created one unique key on one column, will it creates an index on that? if so, is there any way to find how every index was created?
i mean wether it was created with create index or it was created while the primary key or unique key creation.
thank you very much....i've been using the PBGUY query
Select * from
(select object_name(si.id) [Object],index_col(object_name(si.id), si.indid, sk.keyno) [Column_Name],
case when (si.status & 16)<> 0 then 'clustered'
else 'nonclustered' end [Index Type]
from sysindexes si join sysindexkeys sk
on si.id = sk.id and si.indid = sk.indid and si.indid between 1 and 254 and (si.status & 64)=0 ) as b
where Column_Name is not null
thank you very much
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Mar 29, 2008
Hi guys,
I need your help!
May I know what can I do to get a single name using the sample table below?
toptable
name account
a 1
a 2
a 3
b 1
b 2
c 2
d 3
e 1
e 2
result will be
toptable
name account
a 1
b 2
c 2
d 3
e 2
I just want to get all single names
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Jul 24, 2007
Hello SQL gurus, can you help me with a problem.
I have an Access Database and a table containing a list of currency values.
I want to query this table to find out if there are any unique values, that is, an amount that only appears once in the table. Its probably very simple but I cannot work it out. The table is called Bids and the Field that I want to query is called Bids_value.
Any ideas would be greatly appreciated.
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