Very Urgent Greatest And Least Functions
Apr 6, 2001
I have to to find the greatest and least values from the set of values which are from the different columns.
Eg. Select greatest(tab1.date1, tab2.date2), least(tab1.date3, tab2.date4)
from tab1, tab2
where....
tab1 and tab2 are the tables and
date1, date3 are the columns from tab1
date2, date4 are the columns from tab2
Is there any easy way to do this in SQL server ?
MAX and MIN will not work here as these are not the max and min from the same column they are from the different tables and columns.
Thanks
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Mar 2, 2001
1.I am trying to write following query in SQLserver(this is oracle query),
IS their any equivalent for GREATEST and LEAST functions in SQLServer ???
Update mwebtemp
Set Temp_amount1 = (SELECT SUM(AuthAttr_Amount*(num_Business_Days
(GREATEST(AuthAttr_Start_Date, @dtstartdate),
LEAST(AuthAttr_Finish_Date, @dtenddate))))
.....where...
etc...
.....
Note: this is part of a stored procedure...
2. Also how do you write and call a function in SQLServer (syntax ??), eg.num_Business_Days
is a function returning number of business days between the 2 dates....
thanks a lot
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Sep 15, 2006
Has anybody been successful in doing this? I've seen a few articles on the web, but none for free....
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Mar 15, 2006
Hi all. I'm looking for assistance to get the greatest value from 3 or more different columns. I'm assuming that the best way is to put the columns into a temp table and use 'max' function to return the greatest value but don't know how to code it. Thanks in advance.
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Apr 24, 2007
Hi All,
Is there any equivalent of GREATEST(something) and LEAST(something)
in SQL server 2000
Thanks in advance.
vishu
Bangalore
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Mar 14, 2006
Hi all. I'm looking for assistance to get the greatest value from 3 ormore different columns. I'm assuming that the best way is to put thecolumns into a temp table and use 'max' function to return the greatestvalue but don't know how to code it. Thanks in advance.*** Sent via Developersdex http://www.developersdex.com ***
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Nov 7, 2006
Here is my SQL statementSELECT a.name, b.meterno, c.meterstatus, d.accountno, d.creation_dateFROM fmdata.location a, cisdata.service_meters b, cisdata.meter_master c,cisdata.Account_Master dWHERE a.location_id = b.location_id AND b.meterno IS NOT NULL AND b.meterno= c.meterno AND a.location_id = d.location_idORDER by meterstatus, nameHere is my resultsNAME METERNO METERSTATUS ACCOUNTNO CREATION_DATE01010004 20512944 Active 101000402 7-Feb-200201010004 20512944 Active 101000401 8-May-199701010005 25917180 Active 101000501 27-May-200301011001 13646231 Active 101100102 17-Mar-199901011002 18389246 Active 101100201 29-Apr-199401011003 84473845 Active 101100301 24-Apr-199701012002 47511850 Active 101200202 26-Jan-199601013001 35653963 Active 101300101 28-Feb-1979If you notice I'm getting two 01010004 under the NAME column. I would likethe SQL statement to select the greatest CREATION_DATE if there areduplicate NAME'S. So in this case, it would select the top 01010004 since ithas the greatest CREATION_DATE.thanks in advancebart
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Aug 20, 2007
Hi All,
I need to find the highest of two numbers and lowest of the two numbers.
I read on the web that Greatest and least functions in sql can help me do that.
but when i use
greatest in my query it gives me this error
GREATEST is not a recognized built-in function name.
all I have is
declare @first int, @second int
set @first='12'
set @second='14'
select GREATEST(@first,@second)
Can somebody point me in the right direction.
Thanks so much
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Jan 10, 2008
Hello,
Here's one way to sum only the top 5 (greatest 5) values per group.
I assume there is a table called IdValues that contains two columns: id int, value int.
declare @lastId int
declare @value int
declare @count int
declare @idList varchar(5000)
declare @valuelist varchar(5000)
set @count=0
set @lastId = -1
set @value = 0
set @idList=''
set @valuelist=''
select
@count=(case when @lastId<>id then 1 else @count+1 end),
@value=(case when @lastId<>id then value when @count<=5 then @value+value else @value end),
@idList=(case when @lastId<>id then cast(id as varchar)+','+@idList else @idList end),
@valuelist=(case when @lastId<>id then cast(@value as varchar)+','+@valuelist else cast(@value as varchar)+','+right(@valuelist,len(@valuelist)-charindex(',',@valuelist)) end),
@lastId=id
from IdValues
order by id desc, value desc
select @idList,@valuelist
It's a funny approach. I'd be interested to see a better method. In MySQL it is possible to do this much better and have it produce an actual resultset (since MySQL allows you to assign variables and product a resultset in the same query).
I also noticed something interesting. If you do any operation on the order-by columns, the query doesn't work. For example, if I do:
order by id+0 desc, value desc
something funny happens and you only get one id and one value in the list variables. Maybe someone else who actually some idea of how SQL Server works can explain this.
Thanks,
Thomas
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Jul 20, 2005
I have table1 and table2.In table1 I have a column of numbers, numbers1.In table2 I have a column of numbers, numbers2.I'd like to select the highest number represented in either column.Example:table1:column1--------------345565643656555676table2:column2--------------3456564556456456456456The number I would want would be 56456 since it's the largest numberout of all combined.How can I get that number with one select statement?--[ Sugapablo ][ http://www.sugapablo.com <--music ][ http://www.sugapablo.net <--personal ][ Join Bytes! <--jabber IM ]
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Nov 15, 2006
Hi,
i have a problem where in i have to display the greatest marks scored by each student.
How can i do this?? Is there any built in TSQL function.
Rgds..,
Aazad
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Dec 6, 2007
Is there any Function in T-SQL thats similar to GREATEST() IN Orcl?
Iam trying to find the greatest of two DATETIME datatype Fields in my 'select's.
If there is no in built function, Whats the best approach?
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Aug 19, 2007
What happens when autoincrement reaches its last value? Does my application crash? Will autoincrement wrap?
Let us assume I figure that my database table will be much smaller than 2^16 records. Since it will be nowhere near the limit, I select smallint (2 bytes wide) as my ID field. I set the seed value to -32,767. I set the increment value to 1. Over the course of actual useage, many records are added and deleted many times. Although I correctly anticipated that the number of records in my database is far less than 65,535, autoincrement has reached 65,535. What will happen next? Ideally I would like autoincrement to wrap and take the next unused value. But does it do that? Or does it freeze at the highest value? What happens?
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May 26, 2006
I was playing around with the new SQL 2005 CLR functionality andremembered this discussion that I had with Erland Sommarskog concerningperformance of scalar UDFs some time ago (See "Calling sp_oa* infunction" in this newsgroup). In that discussion, Erland made thefollowing comment about UDFs in SQL 2005:[color=blue][color=green]>>The good news is that in SQL 2005, Microsoft has addressed several of[/color][/color]these issues, and the cost of a UDF is not as severe there. In fact fora complex expression, a UDF in written a CLR language may be fasterthanthe corresponding expression using built-in T-SQL functions.<<I thought the I would put this to the test using some of the same SQLas before, but adding a simple scalar CLR UDF into the mix. The testinvolved querying a simple table with about 300,000 rows. Thescenarios are as follows:(A) Use a simple CASE function to calculate a column(B) Use a simple CASE function to calculate a column and as a criterionin the WHERE clause(C) Use a scalar UDF to calculate a column(D) Use a scalar UDF to calculate a column and as a criterion in theWHERE clause(E) Use a scalar CLR UDF to calculate a column(F) Use a scalar CLR UDF to calculate a column and as a criterion inthe WHERE clauseA sample of the results is as follows (time in milliseconds):(295310 row(s) affected)A: 1563(150003 row(s) affected)B: 906(295310 row(s) affected)C: 2703(150003 row(s) affected)D: 2533(295310 row(s) affected)E: 2060(150003 row(s) affected)F: 2190The scalar CLR UDF function was significantly faster than the classicscalar UDF, even for this very simple function. Perhaps a more complexfunction would have shown even a greater difference. Based on this, Imust conclude that Erland was right. Of course, it's still faster tostick with basic built-in functions like CASE.In another test, I decided to run some queries to compare built-inaggregates vs. a couple of simple CLR aggregates as follows:(G) Calculate averages by group using the built-in AVG aggregate(H) Calculate averages by group using a CLR aggregate that similatesthe built-in AVG aggregate(I) Calculate a "trimmed" average by group (average excluding highestand lowest values) using built-in aggregates(J) Calculate a "trimmed" average by group using a CLR aggregatespecially designed for this purposeA sample of the results is as follows (time in milliseconds):(59 row(s) affected)G: 313(59 row(s) affected)H: 890(59 row(s) affected)I: 216(59 row(s) affected)J: 846It seems that the CLR aggregates came with a significant performancepenalty over the built-in aggregates. Perhaps they would pay off if Iwere attempting a very complex type of aggregation. However, at thispoint I'm going to shy away from using these unless I can't find a wayto do the calculation with standard SQL.In a way, I'm happy that basic SQL still seems to be the fastest way toget things done. With the addition of the new CLR functionality, Isuspect that MS may be giving us developers enough rope to comfortablyhang ourselves if we're not careful.Bill E.Hollywood, FL------------------------------------------------------------------------- table TestAssignment, about 300,000 rowsCREATE TABLE [dbo].[TestAssignment]([TestAssignmentID] [int] NOT NULL,[ProductID] [int] NULL,[PercentPassed] [int] NULL,CONSTRAINT [PK_TestAssignment] PRIMARY KEY CLUSTERED([TestAssignmentID] ASC)--Scalar UDF in SQLCREATE FUNCTION [dbo].[fnIsEven](@intValue int)RETURNS bitASBEGINDeclare @bitReturnValue bitIf @intValue % 2 = 0Set @bitReturnValue=1ElseSet @bitReturnValue=0RETURN @bitReturnValueEND--Scalar CLR UDF/*using System;using System.Data;using System.Data.SqlClient;using System.Data.SqlTypes;using Microsoft.SqlServer.Server;public partial class UserDefinedFunctions{[Microsoft.SqlServer.Server.SqlFunction(IsDetermini stic=true,IsPrecise=true)]public static SqlBoolean IsEven(SqlInt32 value){if(value % 2 == 0){return true;}else{return false;}}};*/--Test #1--Scenario A - Query with calculated column--SELECT TestAssignmentID,CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END ASCalcColumnFROM TestAssignment--Scenario B - Query with calculated column as criterion--SELECT TestAssignmentID,CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END ASCalcColumnFROM TestAssignmentWHERE CASE WHEN TestAssignmentID % 2=0 THEN 1 ELSE 0 END=1--Scenario C - Query using scalar UDF--SELECT TestAssignmentID,dbo.fnIsEven(TestAssignmentID) AS CalcColumnFROM TestAssignment--Scenario D - Query using scalar UDF as crierion--SELECT TestAssignmentID,dbo.fnIsEven(TestAssignmentID) AS CalcColumnFROM TestAssignmentWHERE dbo.fnIsEven(TestAssignmentID)=1--Scenario E - Query using CLR scalar UDF--SELECT TestAssignmentID,dbo.fnIsEven_CLR(TestAssignmentID) AS CalcColumnFROM TestAssignment--Scenario F - Query using CLR scalar UDF as crierion--SELECT TestAssignmentID,dbo.fnIsEven_CLR(TestAssignmentID) AS CalcColumnFROM TestAssignmentWHERE dbo.fnIsEven(TestAssignmentID)=1--CLR Aggregate functions/*using System;using System.Data;using System.Data.SqlClient;using System.Data.SqlTypes;using Microsoft.SqlServer.Server;[Serializable][Microsoft.SqlServer.Server.SqlUserDefinedAggregate (Format.Native)]public struct Avg{public void Init(){this.numValues = 0;this.totalValue = 0;}public void Accumulate(SqlDouble Value){if (!Value.IsNull){this.numValues++;this.totalValue += Value;}}public void Merge(Avg Group){if (Group.numValues > 0){this.numValues += Group.numValues;this.totalValue += Group.totalValue;}}public SqlDouble Terminate(){if (numValues == 0){return SqlDouble.Null;}else{return (this.totalValue / this.numValues);}}// private accumulatorsprivate int numValues;private SqlDouble totalValue;}[Serializable][Microsoft.SqlServer.Server.SqlUserDefinedAggregate (Format.Native)]public struct TrimmedAvg{public void Init(){this.numValues = 0;this.totalValue = 0;this.minValue = SqlDouble.MaxValue;this.maxValue = SqlDouble.MinValue;}public void Accumulate(SqlDouble Value){if (!Value.IsNull){this.numValues++;this.totalValue += Value;if (Value < this.minValue)this.minValue = Value;if (Value > this.maxValue)this.maxValue = Value;}}public void Merge(TrimmedAvg Group){if (Group.numValues > 0){this.numValues += Group.numValues;this.totalValue += Group.totalValue;if (Group.minValue < this.minValue)this.minValue = Group.minValue;if (Group.maxValue > this.maxValue)this.maxValue = Group.maxValue;}}public SqlDouble Terminate(){if (this.numValues < 3)return SqlDouble.Null;else{this.numValues -= 2;this.totalValue -= this.minValue;this.totalValue -= this.maxValue;return (this.totalValue / this.numValues);}}// private accumulatorsprivate int numValues;private SqlDouble totalValue;private SqlDouble minValue;private SqlDouble maxValue;}*/--Test #2--Scenario G - Average Query using built-in aggregate--SELECT ProductID, Avg(Cast(PercentPassed AS float))FROM TestAssignmentGROUP BY ProductIDORDER BY ProductID--Scenario H - Average Query using CLR aggregate--SELECT ProductID, dbo.Avg_CLR(Cast(PercentPassed AS float)) AS AverageFROM TestAssignmentGROUP BY ProductIDORDER BY ProductID--Scenario I - Trimmed Average Query using built in aggregates/setoperations--SELECT A.ProductID,CaseWhen B.CountValues<3 Then NullElse Cast(A.Total-B.MaxValue-B.MinValue ASfloat)/Cast(B.CountValues-2 As float)End AS AverageFROM(SELECT ProductID, Sum(PercentPassed) AS TotalFROM TestAssignmentGROUP BY ProductID) ALEFT JOIN(SELECT ProductID,Max(PercentPassed) AS MaxValue,Min(PercentPassed) AS MinValue,Count(*) AS CountValuesFROM TestAssignmentWHERE PercentPassed Is Not NullGROUP BY ProductID) BON A.ProductID=B.ProductIDORDER BY A.ProductID--Scenario J - Trimmed Average Query using CLR aggregate--SELECT ProductID, dbo.TrimmedAvg_CLR(Cast(PercentPassed AS real)) ASAverageFROM TestAssignmentGROUP BY ProductIDORDER BY ProductID
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Sep 27, 2000
This morning I can not connect to our SQL Server 7.0 whatever from client or server. The error message which I list below:
++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++
A connection could not be estabished to server--Timeout expired
Please verfy SQL Server is running and check your SQL Server registration properties and try again.
++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++
We use windows NT authentication. We did not do any change on NT. The SQL Server daily schedule job usally stoped at 10:00AM, but today from the Window NT Task Manager, we can see that the SQL Server is still running untill now.
Please help!!!
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Oct 26, 2000
hi, I have settup up sql mail and did the following:
1. created an E-mail account and configured Out look by creating a pop3 mail profile. tested it by sending and receiving mail, that is ook
2. I Created one domain account for MSsqlserver and Sql Agent service. both services use same account and start automatically in the control panel-services
3. I used the profile that I created in outlook to test the sql mail but got an error:
Error 22030 : A MAPI error ( error number:273) occurred: MapiLogon Ex Failed due to MAPI
Error 273: MAPI Logon Failed
I really do not know what went wrong. I followed the steps from bol and still having a problem. Am I missing something.
I do have a valid email account
I do have a valid domain account
I tested outlook using the email account and it worked. so why sql server does not recognise MAPI.
My next question, How to configure MAPI in Sql server if what I did was wrong.
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Mar 23, 2001
Hi, I have 2 windows 2000 server in cluster with sql server 2000 enterprise edition installed.
I have activated the Server-Requested Encryption by using the sql server network utility (Force Protocol Encryption). After this, I have stoped sql server service. But I can't start it at this moment.
The error is:
19015: The encrypton is required but no available certificat has been found.
Please help me to start sql server.
Thanks.
Michel
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Jul 6, 2000
Hello,
I am facing a huge problem in my sql server database using access as a front end.The main problem is trying to execute queries "views" ,since they reside on sql server now,and using variables or parameters in reports and forms to filter on this query.
Ex.
how can the following be implemented using the same query but in sql server?
Access
------
SELECT MAT_Charts.YYYYMM
FROM MAT_Charts
WHERE ((([Area_Code] & "-" & [GROUP_CODE])=[Reports]![MAT_Chart_C1].[MAT_Key]))
GROUP BY MAT_Charts.YYYYMM;
It is specifically this statement in which I am interested:
[GROUP_CODE])=[Reports]![MAT_Chart_C1].[MAT_Key]))
Thank you very much for your concern.
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Feb 22, 2007
Guys I need help with sql server 2005 syntax
My goal is up update a table called UserStats.
I have numerous functions in SQL that return Scalars (one for each statistics I want to use)
How do I then use a stored proceedure to return a table of the values for use on my site?
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Mar 25, 2006
WIthin SQL Server 2005, there are functions. This feature is new to me and I haven't found anyone that has written their own fucntions? I'm wondering if functions are written the same as stored procedures, and can a function be called from a stored procedure or even from within a query.
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Mar 12, 2007
hello Im having a difficult time translating this query from Access to SQL because it uses the First/Last functions.
I have a 'Projects' Table and a 'Project_Comments' table, each has a 'Project_ID' field which links the 2 together. What I need to do is retrieve a Project List from the Projects Table and also the first Comment of each project based on the Commend_date field in the Project_Comments table. This is the MS ACCESS query:
SELECT Projects.Project_Number, Projects.Project_Name, First(Project Comments.Comment_Date), First(Project_Comments.Notes)
FROM Projects Left Join Projec_Comments ON
Projects.Project_Number = Project_Comments.Project_Number
GROUP BY Projects.Project_Number, Projects.Project_Name
Now I can use Min() for the Date instead of First, however I dont know what to do with the Notes field. Any help on how to get this over to sql would be greatly appreciated!
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Jun 3, 2008
Hi,
I have created a function that returns a comma seperated list of product id's from a table. I need to call this function from a stored procedure to help filter my product results, something like the following:
SET @SQL = 'SELECT dbo.Products.ProductID FROM dbo.Products WHERE dbo.Products.ProductID IN (' + dbo.GetModels('dbo.Products.ProductID', '') + '))'
The problem I am having when executing the above is:
"Conversion failed when converting the varchar value 'dbo.Products.ProductID' to data type int."
Can anyone shed some light on how I can call the function, feeding through the product ID from the row of the select statement I am trying to execute (if this makes sense).
Any help would be great.
Matt
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Aug 25, 2005
Iam trying to convert a date string to date format.....in access I could just use CDate, but SQL apparently does not allow this.
Any help appreciated
Thanks
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Aug 12, 2005
Hello,how I can use a function of my own within a select statement. I triedcreate function funny() returns intas beginreturn( 2 )end goand then "select funny()" but 'funny' is not a recognized function name.How can I solve this?thanks and regardsMark
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Jul 20, 2005
Hi,,I'm having a problem with calling a function from an activex scriptwithin a data transformation. the function takes 6 inputs and returnsa single output. My problem is that after trying all of the stuff onBOL I still can't get it to work. It's on the same database and I'mrunning sql 2000.when I try to call it I get an error message saying "object requiredfunctionname" If I put dbo in front of it I get "object required dbo".Can anyone shed any light on how i call this function and assign theoutput value returned to a variable name.thanks.
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Aug 10, 2007
Hello,
I've created a function that performs modulo. I understand that SQL server 2000 / 2005 uses % for modulo, but we have an application that was written for Oracle. Oracle has a mod(dividend, divisor) function.
As to not rewite the queries, I would like to implement the function below:
the function executes properly but I must prefix it with the dbo schema.
Net: I can execute --- select dbo.mod(9,2) and it returns a 1 just like it should.
but I can not execute --- select mod(9,2) I receive the error "'mod' is not a recognized function name." on SQL 2000 and 2005.
If I can execute select mod(9,2) then I won't need to re-write any queries.
Also, on SQL 2005, I have tried to adjust the default shema, and the execute as clause, but neither helped my cause.
I'm going to try building the function in the CLR, but I think I will be faced with the same problem.
Can someone point me in the right direction?
Thanks
Tom
create function mod
(
@dividend int,
@divisor int
)
RETURNS int
as
begin
declare @mod int
select @mod = @dividend % @divisor
return @mod
end
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Sep 24, 2007
Hi,
I have to calculate data in function with "EXEC". During runtime I get the Error:
"Only functions and extended stored procedures can be executed from within a function."
I would use a Stored Procedure, but the function is to be called from a view. I don't understand, why that should not be possible. Is there any way to shut that message down or to work around?
btw: Storing all the data in a table, would mean a lot of work, I rather not like to do. ;-)
Thx for any help
Blubb10
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Jun 14, 2007
I just installed SSRS 2005 and I have experience with SQL.
How come this function does not work?
SELECT SUBSTRING(YEAR_MONTH, 1, 2) AS Expr1
FROM table1
I get a message which states that this command is not supported by the provider?
It works fine with other SQL tools like winsql?
thanks
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Oct 25, 2007
Can someone explain what the different SQL CE DLL's functions are? I can issue a successful merge replication and these seem to be the DLL's loaded just after it completes.
RSSWM.exe base address: 2C000000
=========================
sqlceoledb30.dll 00CB0000 35000 A
sqlceca30.dll 00CF0000 75000 A
sqlceqp30.dll 00D70000 DD000 A
sqlcese30.dll 00E50000 6A000 A
sqlceer30en.dll 00EC0000 24000 A
itcnetreg.dll 00EF0000 15000 A
itcswinsock.dll 00F10000 D000 A
itc50.dll 00F30000 27000 A
sqlceme30.dll 00F70000 10000 A
rsshelper.dll 00F80000 6000 A
tcpconnectiona.dll 00F90000 10000 A
edbgtl.dll 00FA0000 14000 A
itceventlog.dll 01110000 B000 A
rsaenh.dll 01350000 2B000 RO, H, S, C, RAM from ROM
iq_lapi_c_wrapper.dll 01B80000 27000 RO, XIP
ssapi.dll 01BB0000 17000 RO, XIP
mscoree2_0.dll 01D90000 C3000 RO, H, S, XIP
After some application activity, I attempt a merge replication again and it fails with a "DLL could not be loaded" yadda, yadda message. These seem to be the loaded DLL's at this point.
RSSWM.exe base address: 2C000000
=========================
sqlceqp30.dll 00D70000 DD000 A
sqlcese30.dll 00E50000 6A000 A
sqlceer30en.dll 00EC0000 24000 A
itcnetreg.dll 00EF0000 15000 A
itcswinsock.dll 00F10000 D000 A
itcadcdevmgmt.dll 00F20000 9000 A
itc50.dll 00F30000 27000 A
sqlceme30.dll 00F70000 10000 A
rsshelper.dll 00F80000 6000 A
tcpconnectiona.dll 00F90000 10000 A
edbgtl.dll 00FA0000 14000 A
itceventlog.dll 01110000 B000 A
rsaenh.dll 01350000 2B000 RO, H, S, C, RAM from ROM
iq_lapi_c_wrapper.dll 01B80000 27000 RO, XIP
ssapi.dll 01BB0000 17000 RO, XIP
mscoree2_0.dll 01D90000 C3000 RO, H, S, XIP
I'm at a loss as to why SQL CE cannot load unless I am out of my 32MB of process space for some reason.
(App on an Intermec 751 with WM5 and 128MB RAM)
TIA for any help
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Oct 18, 2006
I usually access stored procedures using SQL data source. But now I need a string returned from the database. If I write a function in SQL how do I access it from an aspx.vb file?
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Mar 25, 2008
I hope this is a right form for ADO .net type of question.
My question is, can you call SQL function the way you call stored procedure from ADO .net. I coded it this way and does not seems to be getting result set back. The DataReader is seems to be coming back with nothing. Can someone post an example. I know you can write "SELECT udf_function()" but I really mean the way the stored procedure is called. Thanks.
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May 5, 2008
Hi y'all I think i have some problem in here perhaps you guys can help.I have this code: 1 public void AddQstrWhere(ref string TmpStr,string Parameter)
2 {
3 if(TmpStr=="")
4 {
5 TmpStr +="WHERE"+Parameter;
6 }
7 else
8 {
9 TmpStr +="AND"+Parameter;
10 }
11 }
12
13
14 public string querySlsPerson;
15 //public string queryLastSls;
16 public ArrayList CLSGetSalesman(string szSalesmanID)
17 {
18
19
20 // TODO: Add CLSReportManager.CLSGetSalesman implementation
21 BOSTx Tex = GetTx(CLSReportConstants.TrnMasterID.FQN2,"QueryRptSales");
22 try
23 {
24 string querySalesPerson = "SELECT dbo.BOS_GL_Workplace.WpszState, BOS_PI_Employee_1.szName, dbo.BOS_PI_Employee.szName AS Expr1, dbo.BOS_PI_Employee.szEmployeeId, "+
25 " dbo.BOS_PI_Division.szName AS Divisi, dbo.BOS_PI_Team.szDescription "+
26 " FROM dbo.BOS_PI_Employee LEFT OUTER JOIN "+
27 " dbo.BOS_GL_Workplace ON dbo.BOS_PI_Employee.szWorkplaceId = dbo.BOS_GL_Workplace.szWorkplaceId LEFT OUTER JOIN "+
28 " dbo.BOS_PI_Division ON dbo.BOS_PI_Employee.szDivisionId = dbo.BOS_PI_Division.szDivisionId LEFT OUTER JOIN "+
29 " dbo.BOS_PI_Team ON dbo.BOS_PI_Employee.szTeamId = dbo.BOS_PI_Team.szTeamId LEFT OUTER JOIN "+
30 " dbo.BOS_PI_Employee BOS_PI_Employee_1 ON dbo.BOS_PI_Employee.szSupervisorId = BOS_PI_Employee_1.szEmployeeId ";
31 //"WHERE dbo.BOS_PI_Employee.szEmployeeId = '"+szSalesmanID+"'";
32 //" WHERE BOS_GL_Workplace.WpszState = '" + szProvince + "' AND BOS_PI_Employee.szName = '" + szsalesPrsn + "' AND BOS_PI_Employee_1.szName = '" + szSupervisor + "'";
33
34 string wheretext = " dbo.BOS_PI_Employee.szEmployeeId = '"+szSalesmanID+"'";
35 string queryLastSls;
36 //AddQstrWhere(szSalesmanID,wheretext);
37 if(szSalesmanID==string.Empty)
38 {
39 queryLastSls = querySalesPerson;
40 }
41 else
42 {
43 //string querySlsPerson;
44 AddQstrWhere(ref queryLastSls,wheretext);
45
46 queryLastSls = querySalesPerson + querySlsPerson;
47 }
48
49 OleDbCommand comd = Tex.GetTextCommand();
50 comd.CommandText = queryLastSls;
51
52 DataTable slTable = new DataTable();
53 OleDbDataAdapter adapt = new OleDbDataAdapter(comd);
54 adapt.Fill(slTable);
55
56
57 ArrayList DataSalesArr = new ArrayList();
58 foreach(DataRow row in slTable.Rows)
59 {
60 CSDatasales sls = new CSDatasales();
61 sls.sz_province = row["WpszState"].ToString();
62 sls.sz_supervisorname = row["szName"].ToString();
63 sls.sz_salemanname = row["Expr1"].ToString();
64 sls.sz_salesmancode = row["szEmployeeId"].ToString();
65 sls.sz_Divisi = row["Divisi"].ToString();
66 sls.sz_typeOp = row["szDescription"].ToString();
67
68 DataSalesArr.Add(sls);
69 }
70 Tex.CloseConnection();
71 //AddQstrWhere("",wheretext);
72
73 return (DataSalesArr);
74
75 }
76 catch(Exception ex)
77 {
78 throw ex;
79 }
80
81 }
82 You see I want to make the query more dynamic. So instead of making the SQL parameter permanent I wanna make it dynamic, so the usercan choose whether they want to use the parameter or not. I already declare the parameter which is szSalesmanID. There's a function called AddQStrWhere which can make the query more dynamic. But the thing is when I wanna use the parameter it seems the code doesn't take it, it just use the regular query I dont know why.I already use the function but it just wont work, can you guys tell me what's wrong, Please I really do need some help from you guys, feelin; a lil' bit desperate in here.I appreciate any kinds of help, thanks. FYI: I use Visual Studio.NET 2003, SQL Server 2000.Best Regards.
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May 14, 2008
I have a table that is used for employee evaluations. There are six questions that are scored either 1, 2, 3, 4, or 5. I want to tally the responses on a page, but I wonder if I can do it without 35 separate calls to the database (I also want to get the average response for each question). I know I can do "SELECT COUNT(intWorkQuality) AS Qual1 FROM dbo.Summer_Project_Req WHERE intWorkQuality = '1' " and then "SELECT COUNT(intWorkQuality) AS Qual2 FROM dbo.Summer_Project_Req WHERE intWorkQuality = '2' " and so on. But can I somehow do the aggregating at the page level, and just refer back to a datasource that uses a generic statement like "SELECT intWorkQuality, intDepend, intAnalyze, intWrite, intOral, intCompatibility FROM dbo.Summer_Project_Req"? If I can, I am not sure what type of control would be best to use or what syntax to use to write the code-behind. I would like the results to be displayed in a grid format. Thanks in advance for your help.
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