Could Anybody Explain To Me Why Sqldatadpater Does Not Allow Subqueries?
Aug 17, 2007
Dear experts,
Recently i got an error msg looks like this: you cannot use subqueries within a sqldatadpter except the subquery is introduced with EXISTS.
Well, actually i was using IN.
I know I can revise my query sting to use INNER JOIN or such stuff just to remove the nested queries. But i'm realllllly curious why it's not allowed??
Really appreciate it if some expert can tell me.
Thanks in advance
View 1 Replies
ADVERTISEMENT
Jun 26, 2007
why do the following return the same datasets?
select * from myTable where myData = ''
select * from myTable where myData = ' '
in the first I'm specifically searching empty strings, in the second a sequence of five spaces. Yet both return any and all white character matches? Is this a "feature" of SQL...
P.S. I'm using T-SQL
View 2 Replies
View Related
Apr 28, 2004
Trying to find which Employees have NOT entered a record (timecard).
Table #1 Employee_Hours
Table #2 Employee (List active)
Table #1
SELECT EID, DATEPART(wk,[Date]) AS Week, MAX([Date]) AS WeekEnding
FROM Employee_Hours
WHERE ([Date] Between '1/1/04' AND '12/31/04')
GROUP BY EID, DATEPART(wk,[Date])
HAVING MAX([Date]) = '1/24/04' --Pay period
Table #2
SELECT EID, DisplayName
FROM Employee
WHERE (Active=1)
I tried subqueries and temp tables but can't get the results I need. The first query will return the employees who entered their time for the given pay period.
Thanks
View 1 Replies
View Related
Jun 27, 2001
Hi, does anyone know how to run an 'explain' on a sql query on SQL Server 2000?
Thanks.
View 1 Replies
View Related
Jun 15, 2004
Hi,
I have the following sql statement:
INSERT INTO prg_lvl VALUES (
'Data Recovery',
'Data Recovery',
7,
'ENG',
0,
16,
'Menu=w_data_recovery_stk;',
( select max(menu_id) + 1 from prg_lvl ),
'K');
that works for Sybase and I wanna make it works for SQL Server.
The problem is the use ot the subquery (select max(menu_id) + 1 from prg_lvl).
Could I use subqueries in SQL Server in general or is there is any other method to overcome this problem
Thanks,
fady
View 3 Replies
View Related
Dec 1, 2005
As previous threads have indicated I've been trying to figure out what's slowing down our 3rd party ETL tool.
My research has figured out the culprit, but now I need some advice on the best way to handle it.
Here's what's going on...
SPID 1 = dynamic sql passed from Crystal
SPID 2 = ETL tool
SPID 3 = report in stored proc
Until a few days ago we didn't even know SPID 1 existed. These are different guys, using old version of Crystal passing crappy queries.
Here's the scenario
SPID 1 is running (inefficient select)
SPID 2 is waiting
30 minutes pass and SPID 2 is still waiting PAGEIOLATCH_SH
SPID 3 fires off
Now SPID 2 is blocking SPID 3, but SPID 2 is still waiting for SPID 1
Finally when SPID 1 finishes, everything catches up. But it appears that there is a period of at least 45 minutes when all SPID's are just sleeping.
My questions:
1. If SPID 1 is just running an inefficient select query, why is it holding up SPID 2 (Which reads and inserts). SPID 1 should have a shared lock on table, this would prevent SPID 2 from insert/update?
2. Is there any steps I can take to give SPID 2 precendence? or is it first come first serve?
Thanks in advance
View 10 Replies
View Related
May 2, 2008
Any one explain me about this query exactly wat it will do
backup log iiswebappauditdb with truncate_only
View 3 Replies
View Related
May 8, 2008
set @tb1='rptmain.Month01.DBO.LCDB' in
View 1 Replies
View Related
Oct 14, 2005
Hi,
I would like to know
What is Corelated SubQueries??
Thanks in Advance
View 3 Replies
View Related
Nov 3, 2007
Query:
insert into aaaa values(',Â?'&',',Â?'&');
BUJJI.
View 6 Replies
View Related
Jan 14, 2008
I am very new to SQL Server, working with it in class. I am trying to do procedures involving subqueries using the Northwind database, and am having a rough time.
For instance, I have the following code, which lists all orders for the month of November, 1996:
SELECT Customers.CustomerID, Customers.CompanyName, CAST(Orders.OrderDate AS CHAR (11) )AS OrderDate
FROM Customers, Orders
WHERE Customers.CustomerID = Orders.CustomerID
AND OrderDate BETWEEN '11/1/1996' AND '11/30/1996' ;
I have been asked to do the same thing, but using a subquery. I came up with the following:
SELECT CustomerID, CompanyName FROM Customers a
WHERE EXISTS (SELECT OrderDate FROM Orders b WHERE a.CustomerID = b.CustomerID
AND OrderDate BETWEEN '11/1/1996' AND '11/30/1996' ) ;
However, it does not list the Order Date, as I want it to, and the information is not correct (it is missing a few orders from November '97 that should show up. Can someone tell me what I am doing incorrectly?
Please note that I do not need anyone to give me the code, but simply give me an idea of what I am doing incorrectly, or let me know how it can be done, so that I may do it. =-)
View 16 Replies
View Related
Apr 12, 2006
Hi all,I've seen mention that you can use nested subqueries down to as manylevels as you like but whenever I run the following:select * from table1where tab1ID in(select tab1ID from table2 where tab2ID in(select tab2ID from Table3 where Tab3ID=N))I get the error "incorrect syntax near the keyword 'where'"Can anyone confirm that sub-subqueries are possible? If so is thesyntax I'm using correct?I'm running SQL 2000 through a Delphi 5 app.RegardsJon
View 2 Replies
View Related
Oct 25, 2007
Hello,I run the following query on a database (SQL 2005):delete from person where pers_companyid in (select pers_companyid fromcompany where comp_expiry is not null)I wanted to delete all people associated with a company which had anexpiry date. The mistake I made was that the column pers_companyiddoes not exist. It should have been comp_companyid.However, the query ran anyway and deleted all records from my persontable? If I run the subquery on its own then it doesn't run as thecolumn is missing.Shouldn't I have got an error running this query?Thanks,David
View 2 Replies
View Related
Jul 20, 2005
Guys,Got this query...---------------------------SELECT TOP 5 Tbl_admin_hotels.HotelName,(SELECT COUNT(Tbl_marketing_history.HotelID)FROM Tbl_marketing_historyWHERE Tbl_marketing_history.HotelID = Tbl_admin_hotels.HotelID)AS CountTotal,(SELECT MAX(DateSent)FROM Tbl_marketing_historyWHERE Tbl_marketing_history.HotelID = Tbl_admin_hotels.HotelID)AS LastSentFROM Tbl_admin_hotelsWHERE NOT Tbl_admin_hotels.HotelID = 99ORDER BY CountTotal DESC---------------------------Within the table Tbl_marketing_history there is also a 'Subject' column thatI require, the row to grab this Subject column from should relate to the rowI'm selecting in the SubQuery to grab 'DateSent'.I've tried and tried to grab multiple columns but failed miserably? Cananyone help pleaseeee!Cheers, Ash
View 12 Replies
View Related
Sep 27, 2007
In this stored procedure, I want to grab all the information for Sales Representatives that made less then 6 visits. I have done that in the subquery. But I also want to be able to display their visits by Dates where any number of visits was made. Meaning, i want to be able to show Everyday where a visit was made, but i only want the records that are less then 6 visits. So I want nulls to show up for the dates where no visits were made. So I can track the people that didnt make visits, on days other made visits (which means they should have visits too)
So basically my report looks like this:
09-10-2007 09-11-2007 09-14-2007
Tom Smith 1 3 4
Janice Cooper 3 5 5
Troy Slater 5 4 2
Kelly Short 4 4 4
When i want it to look like this:
09-10-2007 09-11-2007 09-12-2007 09-13-2007 09-14-2007
Tom Smith 1 3 null null 4
Janice Cooper 3 5 null null 5
Troy Slater 5 4 null null 2
Kelly Short 4 4 null null 4
Its an exception report, so i want to show what was not done , on days that are supposed to have things done, i cant show this, if dates are not displayed before there were no visits less then 6. I want to display all relevant dates, where any number of visits was mad. But only show the visits that were less then 6.
Here's my stored procedure that already has the less then 6 visits showing. But doesnt always show the dates. What should i do?
Code Block
SELECT dbo.Qry_Visits.Status,
dbo.Qry_Visits.Customer_code,
Qry_Sales_Group.Name,
dbo.Qry_Sales_Group.SR_Name,
dbo.Qry_Date_Dim.Date_Dimension_Fiscal_Week,
dbo.Qry_Date_Dim.Date_Dimension_Date,
dbo.Qry_Date_Dim.Day_Of_Month,
dbo.Qry_Sales_Group.Region,
dbo.Qry_Visits.period_code,
dbo.Qry_Visits.cycle_day, dbo.Qry_Visits.Visits,
dbo.Qry_Visits.time_log, dbo.Qry_Visits.Mailing_Name,
dbo.Qry_Date_Dim.Date_Dimension_Year,
dbo.Qry_Date_Dim.Date_Dimension_Period,
CONVERT(varchar, dbo.Qry_Visits.time_log, 110) AS Date,
dbo.Qry_Sales_Group.Region_Key, dbo.Qry_Visits.[SR Code],
B.VisitsTotal
FROM dbo.Qry_Visits
INNER JOIN dbo.Qry_Sales_Group
ON dbo.Qry_Visits.[SR Code]
COLLATE SQL_Latin1_General_CP1_CI_AS = dbo.Qry_Sales_Group.SalesPerson_Purchaser_Code
AND dbo.Qry_Visits.[SR Code] = dbo.Qry_Sales_Group.SalesPerson_Purchaser_Code
COLLATE Latin1_General_CI_AS
INNER JOIN dbo.Qry_Date_Dim
ON CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110) = CONVERT(varchar, dbo.Qry_Visits.time_log, 110)
INNER JOIN ( Select COUNT(Visits)as VisitsTotal,[Sales Responsible],CONVERT(VARCHAR,(Qry_Visits.time_log),110)TheDate,Qry_Visits.Status
FROM dbo.Qry_Visits
WHERE Qry_Visits.Status=2
GROUP by [Sales Responsible] , CONVERT(VARCHAR,(Qry_Visits.time_log),110),Qry_Visits.Status
HAVING SUM(Visits) < 6)B
ON dbo.Qry_Sales_Group.SR_Name COLLATE Latin1_General_CI_AS = B.[Sales Responsible] COLLATE Latin1_General_CI_AS AND
CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110) = B.TheDate
WHERE Qry_Visits.Status=2
ORDER BY dbo.Qry_Sales_Group.SR_Name, CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110)
View 5 Replies
View Related
Dec 23, 2007
Hey everyone, I'm running into an issue where I have a select statement that retrieves all employee records from a employee table. In this statement I'm displaying first and last name, titlte and the employees manager id(which is the employees id). What I want is a query that instead of displaying the manager's id, display the manager's name. The query that I'm using below doesn't work. I was hoping that someone could help me out:
SELECT LastName, FirstName, Title, Extension,
(SELECT FirstName, LastName
FROM Employees
WHERE (ReportsTo = EmployeeID)) AS Reports
FROM Employees
Here's the data that I'm using:
LastName, First Name Title Extension Reprots To
Davolio
Nancy
Sales Representative
5467
13
Fuller
Andrew
Vice President, Sales
3457
0
Leverling
Janet
Sales Representative
3355
12
When I run this query I get a error saying "Only one expression can be specified in the select list when the subquery is not introduced with Exists"
Thanks in advance for your help.
View 5 Replies
View Related
Sep 20, 2007
So I already no this can't be done... but I need a suitable alternative (if one exists) so I don't have to competely re-write this already too huge query.
Anyways, in my select I have something like this:
sum( case when code in (1,2,3,4) then 0 else 1 end ) as total
which has now increase from four static values to a more dynamic format, that being a table with 47 values which may shrink or grow over time. Attempting the following fails:
sum( case when code in (select code_id from ExcludedCodes) then 0 else 1 end ) as total
because apparently you can't use selects or aggregates within an aggregate.
So any ideas on how I can get this working... is there no Array or List type variable I could just substitute in? I've already tried using a Table Variable, but that failed as well.
Please keep in mind, this is one line of a very large select containing many other fields and aggregates (on a fair amount of joins) which is used in at least four differerent reporting queries. If there is no quick and easy replacement trick I can do just let me know so I can start re-writing all of them (which is seriously going to make my head hurt).
View 4 Replies
View Related
Sep 29, 2007
I found this on http://msdn2.microsoft.com/en-us/library/86773566.aspx which i am hoping may be able to resolve my problem but I am not sure I actually understand it. Where it shows // Start a local transaction. transaction = connection.BeginTransaction("SampleTransaction");
is the "SampleTransaction" nothing more then just a name of the transaction that is being created through this code or is it actually pointing to something?I believe that I understand the rest. Oh and in case you have a better way of doing what I am needing here is the SQL Query that is pulling info for me to display on a pageSELECT p.product_ID, p.class_ID, p.category_ID, p.product_name, p.product_desc, p.product_image, p.product_dimension, p.product_o1, p.product_o2, p.product_o3, p.product_ac, p.product_ph, p.product_photo, pcl.class_name, pca.category_nameFROM products AS p INNER JOIN productClass AS pcl ON p.class_ID = pcl.class_ID INNER JOIN productCategories AS pca ON p.category_ID = pca.category_IDBasically I am using the transaction to perform multiple updates seeing as how I will need to update multiple tables. private static void ExecuteSqlTransaction(string connectionString){ using (SqlConnection connection = new SqlConnection(connectionString)) { connection.Open(); SqlCommand command = connection.CreateCommand(); SqlTransaction transaction; // Start a local transaction. transaction = connection.BeginTransaction("SampleTransaction"); // Must assign both transaction object and connection // to Command object for a pending local transaction command.Connection = connection; command.Transaction = transaction; try { command.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')"; command.ExecuteNonQuery(); command.CommandText = "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')"; command.ExecuteNonQuery(); // Attempt to commit the transaction. transaction.Commit(); Console.WriteLine("Both records are written to database."); } catch (Exception ex) { Console.WriteLine("Commit Exception Type: {0}", ex.GetType()); Console.WriteLine(" Message: {0}", ex.Message); // Attempt to roll back the transaction. try { transaction.Rollback(); } catch (Exception ex2) { // This catch block will handle any errors that may have occurred // on the server that would cause the rollback to fail, such as // a closed connection. Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType()); Console.WriteLine(" Message: {0}", ex2.Message); } } }}
View 1 Replies
View Related
Sep 25, 2005
I am new to triggers.I am unsure why on the SELECT statement the ROLLBACK is enforced. I thought this would be only for when an attempt is made to insert the data. Also what is the pupose of IF @counter = 1 When does this counter change value? USE Northwind GO CREATE TRIGGER PriceCheck ON [Order Details] FOR INSERT AS DECLARE @counter int SET @counter= @@ROWCOUNT DECLARE @unitprice money DECLARE order_details_insert_cursor CURSOR FOR SELECT Unitprice FROM inserted IF @counter = 1 BEGIN IF(SELECT UnitPrice FROM inserted) > 300 -- If the price entered is greater than 300 BEGIN --print a warning PRINT 'Cannot enter price greater than 300' --Take back the command ROLLBACK TRANSACTION END END ELSE BEGIN OPEN order_details_insert_cursor FETCH NEXT FROM order_details_insert_cursor INTO @unitprice WHILE @@FETCH_STATUS = 0 BEGIN if @unitprice > 300 -- If the price entered is greater than 300 BEGIN --print a warning PRINT 'Cannot enter price greater than 300' --Take back the command ROLLBACK TRANSACTION RETURN --Exit trigger immediately END FETCH NEXT FROM order_details_insert_cursor INTO @unitprice END CLOSE order_details_insert_cursor END DEALLOCATE order_details_insert_cursor
View 3 Replies
View Related
Feb 2, 2006
I've got some questions about xp_cmdshell and was hoping someone could explain some things to me. I've written a trigger for a table that uses 'xp_cmdshell' to launch a VB.Net application. The syntax is correct and it "seems" to work but in the way I intended. When the app launches there is no GUI present but when I check the task list I see that the exe has been launched. This intrigued me so I started playing with it in Query Analyzer. When I run the commandexec master.dbo.xp_cmdshell 'C:WINDOWSsystem32otepad.exe'I seen a process for notepad show up on my processes list started by 'system' as opposed to myself and notepad still doesn't open up for me to see. I also noticed that the query executes until I kill that particular process. I'm guessing cause it's waiting on the tranaction to complete. What I want to know though is why can't I see the program when I open like this? Is it because 'system' is the user behind it or is there some extra parameter to throw in the xp_cmdshell?
View 3 Replies
View Related
Dec 23, 2005
Hi, I have searched through this forum and haven't found the answer to a problem I am having so I figured I will post it.
My SQL statement:
Select * FROM tblData WHERE LastName=
(SELECT tblData.LastName FROM tblData GROUP BY tblData.LastName HAVING (Count(tblData.LastName)>1))"
What I am trying to do: I am trying to make an SQL filter that I can apply to my form in order to only show records with duplicate last names. The sub query returns names that are already in the table. I then compare what is found to be duplicate with the original table in order to just show only the duplicate records. Everything works fine as long as there is only one name thats duplicated.
When there are multiple duplicate names then I run into an error.
When the statement is put into a string and executed in VBA I get this error:
"Run-time error '3021': No current record."
When the statement is put into a query and run against the DB I get this error:
"At most one record can be returned by this subquery"
So yeah, any help would be greatly appreciated. Am I going about this all wrong or am I just forgetting something? Thanks for any help.
View 2 Replies
View Related
May 19, 2008
Is there some equivalent to MySQL's EXPLAIN function? (or some utility that does the same thing?)
Basically the function takes a query and will return a list of the tables in the query and the number of rows that would need to be checked. It's used to check how well the indexes are set. (If a table returns a very high number, that could be a bottleneck for the query).
Any help is appreciated. Thanks.
-D. Israel
View 1 Replies
View Related
Jun 15, 2008
Hello,
Lets consider two tables : CUSTOMERS and ORDERS.
I would like to know which of the following query is the fastest:
select * from customers C
where exists (select 0 from ORDERS O
where C.Name like 'A%' and O.Charged = 1)
select * from customers C
where exists (select 0 from ORDERS O
where O.Charged = 1) and C.Name like 'A%'
I don't want to use a JOIN clause. I just want to know if there is a difference of efficiency when the condition on C.Name is inside or outside the sub query.
Thank you in advance for any advices,
regards,
mathmax
View 2 Replies
View Related
Jun 16, 2008
Hello,
I would like to know which of the following query is the fastest:
select * from customers C
where exists (select 0 from ORDERS O
where C.Name like 'A%' and O.Charged = 1 and O.Customers_Id = C.Id)
select * from customers C
where exists (select 0 from ORDERS O
where O.Charged = 1 and O.Customers_Id = C.Id) and C.Name like 'A%'
Because the condition C.Name like 'A%' is inside the sub query, I'm wondering if it will be evaluated for each record of the Orders table. Does anyone know if there is a difference of efficiency when this condition is inside or outside the sub query ?
Thank you in advance for any advices,
regards,
mathmax
View 1 Replies
View Related
Mar 17, 2008
Dear All,
what exactly is ExplainPlan and maintenance plan? and where would we use these?
i've found some artilce in the NET, but i'm not satisfied
please provide me good articles and your words for me
Vinod
Even you learn 1%, Learn it with 100% confidence.
View 1 Replies
View Related
Jul 23, 2005
Hello All,The following script is reproducing the problem assuming you haveNorthwind database on the server.Please note it gives you the error message on line 12.USE tempdbGOsp_addlinkedserver 'Test17'GOsp_setnetname 'Test17', @@SERVERNAMEGOIF EXISTS (SELECT 1 FROM dbo.sysobjects WHERE id =object_id(N'[dbo].[This_works]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)DROP PROCEDURE [dbo].[This_works]GOCREATE PROCEDURE This_works@UseLinkedServer bit = 0-- WITH RECOMPILE -- Does not helpASSET NOCOUNT ONIF @UseLinkedServer = 1 -- Linked ServerBEGINIF EXISTS (SELECT 1 FROM dbo.sysobjects where id =object_id(N'[dbo].[Orders_TMP]') and OBJECTPROPERTY(id, N'IsUserTable')= 1)DROP TABLE dbo.Orders_TMPSELECT * INTO dbo.Orders_TMP FROM Test17.Northwind.dbo.OrdersENDELSE -- LocalBEGINIF EXISTS (SELECT 1 FROM dbo.sysobjects where id =object_id(N'[dbo].[Orders_TMP]') and OBJECTPROPERTY(id, N'IsUserTable')= 1)DROP TABLE dbo.Orders_TMPSELECT * INTO dbo.Orders_TMP FROM Northwind.dbo.OrdersSELECT 1 FROM dbo.Orders_TMP WHERE 1 = 2 -- Why do I need this line?ENDBEGIN TRANSACTIONSelect 'Line 25'SELECT COUNT(*) FROM dbo.Orders_TMPCOMMITgoIF EXISTS (SELECT 1 FROM dbo.sysobjects WHERE id =object_id(N'[dbo].[This_does_not]') and OBJECTPROPERTY(id,N'IsProcedure') = 1)DROP PROCEDURE [dbo].[This_does_not]GOCREATE PROCEDURE This_does_not@UseLinkedServer bit = 0-- WITH RECOMPILE -- Does not helpASSET NOCOUNT ONIF @UseLinkedServer = 1 -- Linked ServerBEGINIF EXISTS (SELECT 1 FROM dbo.sysobjects where id =object_id(N'[dbo].[Orders_TMP]') and OBJECTPROPERTY(id, N'IsUserTable')= 1)DROP TABLE dbo.Orders_TMPSELECT * INTO dbo.Orders_TMP FROM Test17.Northwind.dbo.OrdersENDELSE -- LocalBEGINIF EXISTS (SELECT 1 FROM dbo.sysobjects where id =object_id(N'[dbo].[Orders_TMP]') and OBJECTPROPERTY(id, N'IsUserTable')= 1)DROP TABLE dbo.Orders_TMPSELECT * INTO dbo.Orders_TMP FROM Northwind.dbo.Orders--SELECT 1 FROM dbo.Orders_TMP WHERE 1 = 2 -- Why do I need this line?ENDBEGIN TRANSACTIONSelect 'Line 25'SELECT COUNT(*) FROM dbo.Orders_TMPCOMMITGOPRINT 'This_works'EXECUTE This_works 0PRINT ' 'PRINT 'This_does_not'EXECUTE This_does_not 0Thanks for any help or hint,Igor Raytsin
View 8 Replies
View Related
Jul 6, 2006
I have tried this insert comand and it errors out telling me that icannot use subqueries this way. INSERT INTO tblPartLocation(PartLocation, Part)VALUES (999,(SELECT PartID FROM tblParts WHEREPartName = 'test'))how would i insert a value from a query?thanks for any help
View 2 Replies
View Related
Jul 20, 2005
Hello.Does someone of you know if is there a 'explain plan' like function in SQLServer (similar to explain plan in Oracle or DB2)If so then how it works, where stores data and how it can be retrieved?Best regardsBagieta=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=dbDeveloper - Multiple databases editorhttp://prominentus.com=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
View 5 Replies
View Related
Apr 20, 2008
I need to build a view that has 4+ columns that are "counts" of relationships with other tables.
for example:
Code Snippet
select Name, Description, (select count(*) from PetOwner PO where PO.OwnerId = O.Id) as PetCount
from O Owner
I need to add a few more counts to this query, but I'm thinking that is a bad idea since the number of joins is going to get out of control if I need more counts.
I've created a view with all the counts and it works fine.
I want to index the view so the counts aren't calculated everytime the query is run, but I can't index if I use a subquery like this.
In the end I want the result set to have these columns.
Code Snippet
Column1, Column2, Count1, Count2, Count3
And I want it to be quick.
What's the best way to do this?
View 1 Replies
View Related
Jan 29, 2008
Hi,
Could someone help me understand this script:
DECLARE @TempValue tinyint
SELECT @TempValue = 1
FROM dbo.TABLE_NAME (tablockx updlock holdlock)
WHERE 1 = 2
To my understanding, it would lock all the row in the table at once.
View 14 Replies
View Related
Aug 16, 2007
I have a table with two columns: OID and Cumulative (witch is the same type as OID)
Each OID can have one or more Cumulatives.
Example of data:
OID Cumulative
167 292
167 294
167 296
168 292
169 302
169 304
The cumulation of each OID don't stop at one cumulation, but can be endless (theoretical).
Example: 167->292->590
So the table would have on more row:
OID Cumulative
295 505
I would like to represent this strucuture in a tree view and I'm looking for a query that could give me a table with this structure:
OID Cumul1 Cumul2 Cuml3 Cuml4 .... Cumuln
in the way I can read the row and have as many child nodes as I have values in the columns. The number of columns depends on the row with most cumulations.
How can I do the query?
Is there a better way as my table with n columns?
Thanks for suggestions
View 1 Replies
View Related
Oct 9, 2007
Upon executing the following:
create function test()
returns @tmp table
(
somevalue varchar(max)
)
as
begin
select '' as ttt
into tmp
insert into @tmp(somevalue)
select ttt
from tmp
return
end
I get this error:
Msg 443, Level 16, State 15, Procedure test, Line 8
Invalid use of side-effecting or time-dependent operator in 'SELECT INTO' within a function.
I've searched around and honestly cannot find a definitive description of what this means. Can anyone explain in simple terms for a simpleton like me?
Thanks
Jamie
View 18 Replies
View Related
Sep 17, 2007
Hi
what i like to do is insert in one table 2 value from 2 different row.
exp:
table1: person
id name
1 bob
2 john
so id like to make an insert that will result in this
table 2: person_knowed
idperson1: 1
idperson2: 2
so the wuery should look something like this:
insert into person_knowed(idperson1, idperson2)(select id from personwhere name = 'bob',select id from personwhere name = 'john'));
anybody have an idea of how to acheive this?
View 1 Replies
View Related
