Count(*) Vs Count(columnname)

Aug 28, 2007

 Is there a difference in performance when using count(*) or count(columnname)?

View 10 Replies


ADVERTISEMENT

Transaction Count After EXECUTE Indicates That A COMMIT Or ROLLBACK TRANSACTION Statement Is Missing. Previous Count = 1, Current Count = 0.

Aug 6, 2006

With the function below, I receive this error:Error:Transaction count after EXECUTE indicates that a COMMIT or ROLLBACK TRANSACTION statement is missing. Previous count = 1, current count = 0.Function:Public Shared Function DeleteMesssages(ByVal UserID As String, ByVal MessageIDs As List(Of String)) As Boolean        Dim bSuccess As Boolean        Dim MyConnection As SqlConnection = GetConnection()        Dim cmd As New SqlCommand("", MyConnection)        Dim i As Integer        Dim fBeginTransCalled As Boolean = False
        'messagetype 1 =internal messages        Try            '            ' Start transaction            '            MyConnection.Open()            cmd.CommandText = "BEGIN TRANSACTION"            cmd.ExecuteNonQuery()            fBeginTransCalled = True            Dim obj As Object            For i = 0 To MessageIDs.Count - 1                bSuccess = False                'delete userid-message reference                cmd.CommandText = "DELETE FROM tblUsersAndMessages WHERE MessageID=@MessageID AND UserID=@UserID"                cmd.Parameters.Add(New SqlParameter("@UserID", UserID))                cmd.Parameters.Add(New SqlParameter("@MessageID", MessageIDs(i).ToString))                cmd.ExecuteNonQuery()                'then delete the message itself if no other user has a reference                cmd.CommandText = "SELECT COUNT(*) FROM tblUsersAndMessages WHERE MessageID=@MessageID1"                cmd.Parameters.Add(New SqlParameter("@MessageID1", MessageIDs(i).ToString))                obj = cmd.ExecuteScalar                If ((Not (obj) Is Nothing) _                AndAlso ((TypeOf (obj) Is Integer) _                AndAlso (CType(obj, Integer) > 0))) Then                    'more references exist so do not delete message                Else                    'this is the only reference to the message so delete it permanently                    cmd.CommandText = "DELETE FROM tblMessages WHERE MessageID=@MessageID2"                    cmd.Parameters.Add(New SqlParameter("@MessageID2", MessageIDs(i).ToString))                    cmd.ExecuteNonQuery()                End If            Next i
            '            ' End transaction            '            cmd.CommandText = "COMMIT TRANSACTION"            cmd.ExecuteNonQuery()            bSuccess = True            fBeginTransCalled = False        Catch ex As Exception            'LOG ERROR            GlobalFunctions.ReportError("MessageDAL:DeleteMessages", ex.Message)        Finally            If fBeginTransCalled Then                Try                    cmd = New SqlCommand("ROLLBACK TRANSACTION", MyConnection)                    cmd.ExecuteNonQuery()                Catch e As System.Exception                End Try            End If            MyConnection.Close()        End Try        Return bSuccess    End Function

View 5 Replies View Related

Analysis :: Count Function Taking More Time To Get Count From Parent Child Dimension?

May 25, 2015

below data,

Countery
parentid
CustomerSkId
sales

A
29097
29097
10

A
29465
29465
30

A
30492
30492
40

[code]....
 
Output

Countery
parentCount

A
8

B
3

c
3

in my count function,my code look like,

 set buyerset as exists(dimcustomer.leval02.allmembers,custoertypeisRetailers,"Sales")
set saleset(buyerset)
set custdimensionfilter as {custdimensionmemb1,custdimensionmemb2,custdimensionmemb3,custdimensionmemb4}
set finalset as exists(salest,custdimensionfilter,"Sales")
Set ProdIP as dimproduct.dimproduct.prod1
set Othersset as (cyears,ProdIP)
(exists(([FINALSET],Othersset,dimension2.dimension2.item3),[DimCustomerBuyer].[ParentPostalCode].currentmember, "factsales")).count

it will take 12 to 15 min to execute.

View 3 Replies View Related

Count For Varchar Field - How To Get Distinct Count

Jul 3, 2013

I am trying to get count on a varchar field, but it is not giving me distinct count. How can I do that? This is what I have....

Select Distinct
sum(isnull(cast([Total Count] as float),0))

from T_Status_Report
where Type = 'LastMonth' and OrderVal = '1'

View 9 Replies View Related

In SQL 2000 Can I Use Count() To Count A Column?

Nov 26, 2007

I use SQL 2000
I have a Column named Bool , the value in this Column is  0ã€?0ã€?1ã€?1ã€?1
I no I can use Count() to count this column ,the result would be "5"
but what I need is  "2" and "3" and then I will show "2" and "3" in my DataGrid
as the True is  2 and False is 3
the Query will have some limited by a Where Query.. but first i need to know .. how to have 2 result count
could it be done by Count()? please help.  
thank you very much
 

View 5 Replies View Related

Table Row Count + Index Row Count

Jul 23, 2005

SQL 2000I have a table with 5,100,000 rows.The table has three indices.The PK is a clustered index and has 5,000,000 rows - no otherconstraints.The second index has a unique constraint and has 4,950,000 rows.The third index has no constraints and has 4,950,000 rows.Why the row count difference ?Thanks,Me.

View 5 Replies View Related

Obtain Unit Percent With Unit Count Divided By Total Count In Query

Aug 21, 2007

The following query returns a value of 0 for the unit percent when I do a count/subquery count. Is there a way to get the percent count using a subquery? Another section of the query using the sum() works.

Here is a test code snippet:


--Test Count/Count subquery

declare @Date datetime

set @date = '8/15/2007'


select
-- count returns unit data
Count(substring(m.PTNumber,3,3)) as PTCnt,
-- count returns total for all units

(select Count(substring(m1.PTNumber,3,3))

from tblVGD1_Master m1

left join tblVGD1_ClassIII v1 on m1.SlotNum_ID = v1.SlotNum_ID

Where left(m1.PTNumber,2) = 'PT' and m1.Denom_ID <> 9

and v1.Act = 1 and m1.Active = 1 and v1.MnyPlyd <> 0

and not (v1.MnyPlyd = v1.MnyWon and v1.ActWin = 0)

and v1.[Date] between DateAdd(dd,-90,@Date) and @Date) as TotalCnt,
-- attempting to calculate the percent by PTCnt/TotalCnt returns 0
(Count(substring(m.PTNumber,3,3)) /

(select Count(substring(m1.PTNumber,3,3))

from tblVGD1_Master m1

left join tblVGD1_ClassIII v1 on m1.SlotNum_ID = v1.SlotNum_ID

Where left(m1.PTNumber,2) = 'PT' and m1.Denom_ID <> 9

and v1.Act = 1 and m1.Active = 1 and v1.MnyPlyd <> 0

and not (v1.MnyPlyd = v1.MnyWon and v1.ActWin = 0)

and v1.[Date] between DateAdd(dd,-90,@Date) and @Date)) as AUPct
-- main select

from tblVGD1_Master m

left join tblVGD1_ClassIII v on m.SlotNum_ID = v.SlotNum_ID

Where left(m.PTNumber,2) = 'PT' and m.Denom_ID <> 9

and v.Act = 1 and m.Active = 1 and v.MnyPlyd <> 0

and not (v.MnyPlyd = v.MnyWon and v.ActWin = 0)

and v.[Date] between DateAdd(dd,-90,@Date) and @Date

group by substring(m.PTNumber, 3,3)

order by AUPct Desc


Thanks. Dan

View 1 Replies View Related

Inserted Rows Count From SSIS Not Like Table Rows Count

Jun 25, 2007

Hi all



i using lookup error output to insert rows into table

Rows count rows has been inserted on the table 59,123,019 mill

table rows count 6,878,110 mill ............................



any ideas

View 6 Replies View Related

SQL Query Automatically Count Month Events B4 Today; Count Events Today + Balance Of Month

Mar 20, 2004

I would like to AUTOMATICALLY count the event for the month BEFORE today

and

count the events remaining in the month (including those for today).

I can count the events remaining in the month manually with this query (today being March 20):

SELECT Count(EventID) AS [Left for Month],
FROM RECalendar
WHERE
(EventTimeBegin >= DATEADD(DAY, 1, (CONVERT(char(10), GETDATE(), 101)))
AND EventTimeBegin < DATEADD(DAY, 12, (CONVERT(char(10), GETDATE(), 101))))

Could anyone provide me with the correct syntax to count the events for the current month before today

and

to count the events remaining in the month, including today.

Thank you for your assistance in advance.

Joel

View 1 Replies View Related

Name Count

Feb 26, 2007

I have an sql command for when you add a new name to the database it counts to see how many of the name entered to the textbox exist in the database. If the count is 0 then it will add the name to the table. Else it displays an error message.
This works fine for inserting a new name but on my update page where you may update the name I have the same code which on button click counts to see how many exist. But if you leave the textbox the same value and click the button the count obviously results in 1 and brings up an error message.
Is there a way I can do a count but not including the name that is currently the value of the textbox?protected void UpdateSharedArea(object sender, EventArgs e)
{
SqlConnection connection = new SqlConnection(docShare_ConString);

//Count the amount of area names that are the same as typed by user
SqlCommand existCheck = new SqlCommand("SELECT COUNT(doc_area_name) FROM document_area WHERE doc_area_name = @doc_area_name", connection);
SqlParameter areaname = new SqlParameter("@doc_area_name", SqlDbType.VarChar);
areaname.Value = AreaText.Text;
existCheck.Parameters.Add(areaname);

connection.Open();
int count = (int)existCheck.ExecuteScalar();
connection.Close();

//If the area name does not exist within the table
if (count == 0)
{
//Update name Cheers, Mark

View 2 Replies View Related

How To Count This ?

Jun 12, 2007

Hi,
        This is my table structure ,

Name

John
John
Raj
John
Raj

From the above table i want to count the repeated name and my output should be

Name       Count


John             3
Raj               2

since no of jone in my table is 3 and number of Raj is 2 .
how to write the query for this ?

View 1 Replies View Related

COUNT And TOP

Jun 17, 2007

I want to do something like this:
SELECT COUNT (SELECT TOP(10) * FROM MyTable order by Date Desc) FROM MyTable where User = 'Scott'
What I want is to return the number of affected rows where the column 'User' equals 'Scott'....But is should only check in the 10 latest inserted rows.....
Hope you understand what I mean... 

View 4 Replies View Related

Get Count From A Sql

Sep 26, 2007

'<%# Eval("Username") %>'
 Hi: Everybody
Today is not my day, I am trying to get a Count(*) from a table (name: Photos), I can get the total number if like this: WHERE (u_username = 'jamest85' )
 Now, I want replace the 'jamest85' to a value from a Label, like: Label1.text or '<%# Eval("Username") %>', but always has error, so can you please check for me, how to make it right?
Thanks.
Below is the code:
<asp:Label ID="Label1" runat="server" Text='<%# Eval("Username") %>'></asp:Label>                        <asp:SqlDataSource ID="SqlDataSource2"runat="server" ConnectionString="<%$ ConnectionStrings:myConString %>" SelectCommand="SELECT COUNT(*) AS TotalPhotos FROM Photos WHERE (u_username = 'jamest85' ) GROUP BY u_username"></asp:SqlDataSource>
 Thank you very much
jamest85
 
 

View 2 Replies View Related

Count

Sep 26, 2007

Hello, I need to retrieve all records from a table named Blogs and the number of Posts associated with which Blog giving the name NumberOfPosts to that extra column. I have the following: SELECT b.*, p.COUNT(*) AS NumberOfPosts FROM dbo.Blogs b LEFT JOIN dbo.Posts p ON b.BlogId = p.BlogId I get the error: Incorrect syntax near '*'. Could someone, please, help me out? Thanks, Miguel  

View 3 Replies View Related

Sql Count

May 17, 2008

Hi all, Im using ASP.Net.In that i have an sql count statement which returns the count of the total messages in a particular date.   Dim dt As Date
smsuser = uname.SelectedItem.Text
d = day.SelectedItem.Value
m = mon.SelectedItem.Value
y = year.SelectedItem.Value
dt = dt.ToShortDateString.Concat(d, "/", m, "/", y)
Dim StrSql As String = "select Count(Message) from Message where UserName='" & smsuser & "' AND Date='" & dt & "'"
Dim cmd As New SqlCommand(StrSql, con)
Dim reader As SqlDataReader
Dim no As String
Try
con.Open()
reader = cmd.ExecuteReader
If reader.Read = True Then
count.Text = reader.GetValue(0)
End If  The count is displayed in a text box. But, the sql statement is not giving the correct count.Wat is wrong? Pls help... 

View 10 Replies View Related

Help With COUNT(*)

Dec 24, 2003

Dear SQL,

I want to count the number of records, so I tried this:
SELECT COUNT(*) AS RecordCount
FROM Categories
WHERE Active = 1
ORDER BY Show_Order ASC
But it gives me an error:
error 8126: Column name 'Categories.Show_Order' is invalid in the ORDER BY clause because it is not contained in an aggregate function and there is no GROUP BY clause.


How can I make it work ? (I must ORDER it...)

View 6 Replies View Related

Using Count() In Sql

Feb 19, 2004

I have a table(sometable) in my db that looks like this:
user item
bob books
bob pens
bob frogs
jay pencils
rob cups
rob plantsI run this script:SELECT DISTINCT user AS users
FROM sometable to get:users
bob
jay
robHow would I get it to include the # of rows ror each user like this:
users number
bob 3
jay 1
rob 2Thanks in advance.

View 7 Replies View Related

Count(*)

Dec 3, 2001

What is wrong with this query?

SELECT *, (SELECT Count(*) FROM TPlanObjects where FMainID=tpm.FID and FType='ARTICLE') as FArtCount, (SELECT Count(*) FROM TPlanObjects where FMainID=tpm.FID and FType='FILE') as FObjCount FROM tPlanMain as tpm

View 3 Replies View Related

DTS-Row Count

Jan 23, 2002

I am usint DTS to transfer tables into a text file. I need to get a count of the number of rows that I transfer into each text file. Is there any way or an easy way to accomplish this?

View 4 Replies View Related

COUNT()

Sep 12, 2000

Hello,

I'm looking for a mean to be able to count records and to select them without having to write two SELECT lines :
select count(*) AS VNBR from SSITE where...
select Lenom = upper(nom), LeSite = Site+Page... from SSITE where...

WHERE... are the same for the two SELECTS ! Is there a solution ?

Thanks for your help.

Laurent.

View 2 Replies View Related

Count

Apr 26, 2000

I have a table of issues with a column for issueID and another for issueType.
For each issuetype, I want to count how many issues are but those with no issues, I want it to return with a zero.

Is this possible?

Thanks,
Anthony

View 1 Replies View Related

Sum Of Count

Jul 2, 2004

Hi Folks,
I'm having a problem generating a total figure from two seperate sums in a query. Basically what I need to do is generate the total of select count(*) from t1, select count from t2.
without using a temp table.
Thanks in advance
Sirius

View 1 Replies View Related

Count And Pad?

Oct 15, 2004

I have to create a statement that will find the next highest number of a field that is stored as a char(5), like
' 2' and add a new record adding one to that max number. The field is padded with leading spaces. I know how to get the next number. The question is counting how many spaces I need (is it a 9 or a 10) and then stuffing the leading spaces in front of the new number.

View 1 Replies View Related

Row Count

Jul 28, 1999

I want to be able to tell how many rows of data I have in each table. I don't want all of the tables detail though. How do I do this?

Thanks,

Tracy

View 1 Replies View Related

Row Count

Jul 29, 1999

Thanks to Craig for helping me out with my first question. My next question is this. Is there a way to have it give me the counts for all tables without entering each tablename? I may have new tables every time and would like not to have to keep up with changing the script.

Thanks in advance,

Tracy

View 1 Replies View Related

Count(1)

Dec 28, 2000

Please tell me the different between count(1) and count(*) in sql65.

Thanks in advance.

Cheers,
Huiyong

View 2 Replies View Related

Count()

Jul 7, 2006

Hi,

I manage an affiliate tracking database for some of our online advertising campaigns. In the database I have a "clicks" table, and a "Leads" table. I am trying to join these two tables on a "Source" fields then use "group by" so that I can return "Source" counts for both the clicks and leads. I want both counts to show up in the same row such that if I have 100 clicks and 10 leads for source "xyz" the results would be:

source Clicks Leads
xyz 100 10

I have tried the followign query, but it returns the same value for both rows:

SELECT Leads.source, COUNT(Clicks.source),COUNT(leads.source)
FROM Leads INNER JOIN
Clicks ON Leads.source = Clicks.source
GROUP BY leads.source


I can do this with a subquery or by looping through through a recordset, but was wondering if it is possible to do without using these methods.

Does anyone have any ideas? If so I would greatly appreciate your feedback.

Thanks!

View 3 Replies View Related

Sql Count

Jun 7, 2004

Hi,

I've got a database with two tables:

members
notes

Each member can have zero or more notes associated with them and each note has a 'new' field which indicates that it hasn't been read since it was added.

I want to produce a list of members and highlight the ones in bold that have unread notes.

If I use

SELECT members.firstname, COUNT(*) FROM members, notes WHERE notes.member=members.ref AND notes.new=1

then I only get the items that have unread notes (and I don't actually need to know the count).

How can I get what I want?

View 4 Replies View Related

Count And Using IN

May 23, 2012

I am having trouble getting an accurate count for my query. i have

select count(ID) as Cnt from Users
where status in ('ACTIVE','INACTIVE','HOLD')
and IdNumber = '4422'

I should be getting a count of 3, but I always get only 1. I noticed when I take off the IN() I get an accurate count. Is there something wrong with using IN with count ?

View 2 Replies View Related

How To Get Count Per Day

Apr 9, 2008

I have a table hits with following fields with sample Data
Code: CreatedOn:
4 2008-04-01 14:48:15.327
4 2008-04-01 13:53:41.923
4 2008-04-02 15:16:25.327
5 2008-04-02 16:31:07.383
5 2008-04-02 16:25:07.383
5 2008-04-02 16:28:07.383
5 2008-04-03 16:50:34.217
4 2008-04-03 13:23:30.767
3 2008-04-04 13:41:41.627
5 2008-04-04 13:55:00.497
__________________________________________________________
i want to create a query to get count of the code per day.
__________________________________________________________
Code: Date: Count:
3 2008-04-04 1
4 2008-04-01 2
4 2008-04-02 1
4 2008-04-03 1
5 2008-04-02 3
5 2008-04-03 1
------------------------------------------------------------
How can i do this to count code per day in a single query?
I am using sql server 2005.
==============================================================

Muhammad Saifullah

View 8 Replies View Related

Count(*)

Apr 15, 2008

How to I calculate the sum on count(*) from multiple tables?

Prakash.P
The secret to creativity is knowing how to hide your sources!

View 1 Replies View Related

Count

May 27, 2008

I have 1 column that composes of 15 Yes and 13 No. What's the formula in getting the count of each (Yes and No)?

Thanks

View 6 Replies View Related

COUNT

Jun 10, 2008

Hi, I have a problem with one query. I have a table that contains some records. Each record has a Status(possible values: Closed, completed, and Open) and Priority (possible values: from 0 to 4) I want to count by Priority, for example:

Status Open Completed Closed
0 3 2 1 <-- Number of records
1 10 22 12
2 ...
3
4

So, the first line says that there are 3 Open records which have Status 0.

Thank you.

View 9 Replies View Related







Copyrights 2005-15 www.BigResource.com, All rights reserved