Carrying Metric Through A Table
Apr 15, 2004
Hi. this is a tricky one to explain but I'm at a bit of a loss
Consider a product demand table such as
ProductDemand Qty
Prod 1500
Prod 2300
Prod 30
Now consider a Inventory table such as
Product BatchTotal qtyFree qty
Prod 1Batch 13000
Prod 1 Batch 2300100
Prod 1Batch 3200200
Prod 2Batch 22 600300
Wha I am trying to achieve is the "Free Qty" column such that, within each product, the demand is "comsumed" by each batch in turn until completly comsumed (or no batches are left). Hence the demand of 500 would result in 300 going to zero for batch 1, carry forward 200 demand which would be completly comsuemd by batch 2 leaving 100 "free". Subsequnet batches would remain all free for that first product. Then the operation continues for the next product.
How on earth do I do it ?????
Thanks for you thoughts
Gerry
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Oct 4, 2006
I know the rule of thumb is to use T-SQL when manipulating data and to use SQLCLR for conditionals, looping, etc. My question is how much slower (percentage, factor of, anything!) is SQLCLR for doing SELECT, INSERT, and UPDATE commands?
Is the performance difference *that* much greater that the simplicity of SQLCLR doesn't apply?
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Jul 20, 2005
My employer currently pays me $1/hour when I carry a pager. I have tocarry the pager every fourth week. The problem is that my employerinsists that I be available when I'm carrying the pager. So, for $1/hrthey expect me to remain within pager range, remain sober, and beavailable to come to work. That really sucks on weekends. No goingto the beach (out of pager range) or out to a friend's cottage (out of pagerrange), etc. Declining to carry the pager is NOT an option.I'm curious what compensation others get and more importantly, what'syour employers expectation of your availability when you're on-call?Thanks.
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Apr 11, 2008
I am making a report for a car dealer. Each month a certain number of cars will be placed on the lot and a certain number will be taken off. I want to make a report that will show the inventory levels at any point in time. (I will further refine the report by color, origin, model, etc later.) I am currently listing each car in my inventory table, flagging it with a "removed" flag when it is sold. My flag for adding a car is 1 and removing a car is -1. It's easy enough to sum the table and get the current inventory level but I'm having trouble looking back over time.
Say in January I had 35 cars on the lot. I sold 20 and added 5. In February I sold 9 and added 10. In March I sold 12 and added 5.
I need the report to break every month. But on the break I need to add all the cars in the table minus cars sold. For the January report it should show a total (cars added - sold) in the table. Each month I need to take a new grand total of all cars added minus cars sold up to the end of that month OR cars added that month minus cars sold that month added to the running total from the previous month.
Is there some sort of calculate measure I could stick in my cube that would carry these totals? Or any other ideas?
Thanks.
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Mar 22, 2007
How can I carry a value over from a subreport to a main report?
If I have a total in a sub report, I want to use that total in expression on the main report.
Any ideas?
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Nov 14, 2014
I have a client that I provide financial modelling services to (using Excel). They have a requirement to start capturing subscriber movements in their SQL DB. how the table should be set-up and how to extract the necessary movements report. This is largely so that I may include these components in some of the financial models that I am working on.
Subscribers are reported as follows:
Opening subs (the prior periods closing balance; or the sum of new sales at point of 1st entry)
+ New Sales (new subs)
+ Upgrades (movement from a lower product package to the associated package)
- Downgrades (movement to a lower product package from the associated package)
- Churn (subscriber losses)
Closing Balance
All transactions are captured against a specific product package, on a specific date (ymd), and for an associated platform (e.g. digital TV, broadband TV, cable TV).
I believe we only need to capture new sales, upgrades, downgrades and churn. And then used a SP to compile the movements behaviour as described above.
So perhaps the table would appear as follows:
Platform
Package
Date
Movement
Value
DTV
PROD 1
2014-11-02
New Sales
8
DTV
PROD 1
2014-11-02
Upgrades
1
[code]....
So I am assuming that given a table such as the above, we could write a SP to produce an output such as (note, below looks at monthly total so will not agree back to sample above which contains only 2 days):
Platform
Package
Movement
September
October
November
DTV
PROD 1
OPEN
600
676
776
DTV
PROD 1
New Sales
92
106
88
[code]....
how one is best to accumulate the balances given that the open date for any given reporting period is in fact an accumulation of all balances since day 1.
How does one typically capture this type of thing in SQL?
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Jun 13, 2006
I am using SQL Server 2005 and trying to create a linked server on Oracle 10. I used the commands below:
EXEC sp_addlinkedserver
@server = 'test1',
@srvproduct = 'Oracle',
@provider = 'MSDAORA',
@datasrc = 'testsource'
exec sp_addlinkedsrvlogin
@rmtsrvname = 'test1',
@useself = 'false',
@rmtuser='sp',
@rmtpassword='sp'
When I execute
select * from test1...COUNTRY
I get the error. "The OLE DB provider "MSDAORA" for linked server "...." does not contain the table "COUNTRY". The table either does not exist or the current user does not have permissions on that table."
The 'sp' user I am connecting is the owner of the table. What could be the problem ?
Thanks a lot.
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Jan 31, 2008
I have created a table Table with name as Varchar and id as int. Now i have started inserting the rows like, insert into Table values ('arun',20).Yes i have inserted a row in the table. Now i have got the values " arun's ", 50. insert into Table values('arun's',20) My sqlserver is giving me an error instead of inserting the row. How will you solve this problem?
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Mar 29, 2007
Hi
I am having a table called as status ,in that table one field is there i.e. currentstatus.
the rows which are having currentstatus as "ticket closed",i want to move those rows into other table called repository which is having same table structure as status table.
I can do programatically.
but is there any way for every 3 months system has to check and do this action means moving to repository table automatically?
Please help me.
Thanks.
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Jul 24, 2015
I'm inserting from TempAccrual to VacationAccrual . It works nicely, however if I run this script again it will insert the same values again in VacationAccrual. How do I block that? IF there is a small change in one of the column in TempAccrual then allow insert. Here is my query
INSERT INTO vacationaccrual
(empno,
accrued_vacation,
accrued_sick_effective_date,
accrued_sick,
import_date)
[Code] ....
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Nov 21, 2006
For reasons that are not relevant (though I explain them below *), Iwant, for all my users whatever privelige level, an SP which createsand inserts into a temporary table and then another SP which reads anddrops the same temporary table.My users are not able to create dbo tables (eg dbo.tblTest), but arepermitted to create tables under their own user (eg MyUser.tblTest). Ihave found that I can achieve my aim by using code like this . . .SET @SQL = 'CREATE TABLE ' + @MyUserName + '.' + 'tblTest(tstIDDATETIME)'EXEC (@SQL)SET @SQL = 'INSERT INTO ' + @MyUserName + '.' + 'tblTest(tstID) VALUES(GETDATE())'EXEC (@SQL)This becomes exceptionally cumbersome for the complex INSERT & SELECTcode. I'm looking for a simpler way.Simplified down, I am looking for something like this . . .CREATE PROCEDURE dbo.TestInsert ASCREATE TABLE tblTest(tstID DATETIME)INSERT INTO tblTest(tstID) VALUES(GETDATE())GOCREATE PROCEDURE dbo.TestSelect ASSELECT * FROM tblTestDROP TABLE tblTestIn the above example, if the SPs are owned by dbo (as above), CREATETABLE & DROP TABLE use MyUser.tblTest while INSERT & SELECT usedbo.tblTest.If the SPs are owned by the user (eg MyUser.TestInsert), it workscorrectly (MyUser.tblTest is used throughout) but I would have to havea pair of SPs for each user.* I have MS Access ADP front end linked to a SQL Server database. Forreports with complex datasets, it times out. Therefore it suit mypurposes to create a temporary table first and then to open the reportbased on that temporary table.
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Jan 9, 2008
Hi all,
The following dbo.Tables of Northwind.mdf in my .SQLEXPRESS (SQL Server Management Studio Express) are missing:
dbo.Categories
dbo.CustomerCustomerDemo
dbo.CustomerDemographics
dbo.Customers
dbo.Employees
dbo.EmployeeTerritories
dbo.Order Details
dbo.Orders
dbo.Products
dbo.Regions
dbo.Shippers
dbo.Suppliers
dbo.Territories.
But, I have these dbo.Tables in a different Database "xyzDatabase". How can I copy each of these dbo.Tables to the another blank dbo.Table of Northwind Database?
I right clicked on the dbo.Categories and I saw the following thing:
dbo.Categories
New Table...
Modify
Open Table
Script Table as |> CREATYE To |>
DROP To |>
SELECT To |>
INSERT To |> New Query Editor Window
File....
Clipboard
UPDATE To |>
DELETE to |>
From the above observation,I think it is possible to copy the dbo.Table from the one Database to the Northwind Database that needs to be repaired. Please help and advise me how to do this task or tell me where I can find the Microsoft document that gives the details of this X-copy thing.
Thanks in advance,
Scott Chang
P. S. I am using VB 2005 Express to create a project to learn "Calling Stored Procedures with ADO.NET" (see Paul Kimmel's article in http://www.developer.com/db/article.php/3438221) that needs the dbo.Tables of Northwind Database and my Northwind Database has been screwed up for quite a while and needs a big repair.
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Aug 29, 2007
which is more efficient...which takes less memory...how is the memory allocation done for both the types.
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May 29, 2008
'****************************************************************************
Cmd.CommandText = "Drop Table Raj"
Cmd.ExecuteNonQuery()
Cmd.CommandText = "Select * Into Raj From XXX"
Cmd.ExecuteNonQuery()
'**************************************************************************
This generates error that Table already exist.
If Wait 1 sec then execute statement then it works fine.
Thanks in Advance
Piyush Verma
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Dec 1, 2006
I have one control table to store all related table name
Table ID TableName
1 TableA
2 TableB
In Table A:
RecordID Value
1 1
2 2
3 3
In Table B:
RecordID Value
1 1
2 2
3 3
How can I get the result by select the Table list first and then combine the data in table A and table B?
Thank you!
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Jan 26, 2006
Just wondering if there is an easy transact statement to copy table 1 to table 2, appending the data in table 2.with SQL2000, thanks.
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Mar 20, 2008
Hi thanks for looking at my question
Using sqlServer management studio 2005
My Tables are something like this:
--Table 1 "Employee"
CREATE TABLE [MyCompany].[Employee](
[EmployeeGID] [int] IDENTITY(1,1) NOT NULL,
[BranchFID] [int] NOT NULL,
[FirstName] [varchar](50) NOT NULL,
[MiddleName] [varchar](50) NOT NULL,
[LastName] [varchar](50) NOT NULL,
CONSTRAINT [PK_Employee] PRIMARY KEY CLUSTERED
(
[EmployeeGID]
)
GO
ALTER TABLE [MyCompany].[Employee]
WITH CHECK ADD CONSTRAINT [FK_Employee_BranchFID]
FOREIGN KEY([BranchFID])
REFERENCES [myCompany].[Branch] ([BranchGID])
GO
ALTER TABLE [MyCompany].[Employee] CHECK CONSTRAINT [FK_Employee_BranchFID]
-- Table 2 "Branch"
CREATE TABLE [Mycompany].[Branch](
[BranchGID] [int] IDENTITY(1,1) NOT NULL,
[BranchName] [varchar](50) NOT NULL,
[City] [varchar](50) NOT NULL,
[ManagerFID] [int] NOT NULL,
CONSTRAINT [PK_Branch] PRIMARY KEY CLUSTERED
(
[BranchGID]
)
GO
ALTER TABLE [MyCompany].[Branch]
WITH CHECK ADD CONSTRAINT [FK_Branch_ManagerFID]
FOREIGN KEY([ManagerFID])
REFERENCES [MyCompany].[Employee] ([EmployeeGID])
GO
ALTER TABLE [MyCompany].[Branch]
CHECK CONSTRAINT [FK_Branch_ManagerFID]
--Foreign IDs = FID
--generated IDs = GID
Then I try a simple single row DELETE
DELETE FROM MyCompany.Employee
WHERE EmployeeGID= 39
Well this might look like a very basic error:
I get this Error after trying to delete something from Table €œEmployee€?
The DELETE statement conflicted with the
REFERENCE constraint "FK_Branch_ManagerFID".
The conflict occurred in database "MyDatabase",
table "myCompany.Branch", column 'ManagerFID'.
Yes what I€™ve been doing is to deactivate the foreign key constraint, in both tables when performing these kinds of operations, same thing if I try to delete a €œBranch€? entry, basically each entry in €œbranch€? and €œEmployee€? is child of each other which makes things more complicated.
My question is, is there a simple way to overcome this obstacle without having to deactivate the foreign key constraints every time or a good way to prevent this from happening in the first place? Is this when I have to use €œON DELETE CASCADE€? or something?
Thanks
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Sep 17, 2007
In a table-valued UDF, does the UDF use a table variable or a temp table to form the resultset returned?
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Nov 29, 2006
Banti writes "IF i create temporary table by using #table and ##table then what is the difference. i found no difference.
pls reply.
first:
create table ##temp
(
name varchar(25),
roll int
)
insert into ##temp values('banti',1)
select * from ##temp
second:
create table #temp
(
name varchar(25),
roll int
)
insert into #temp values('banti',1)
select * from #temp
both works fine , then what is the difference
waiting for ur reply
Banti"
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Jun 9, 2014
I am having a problem in creating query for this exciting scenario.
Table A
ID ItemQtyCreatedDatetime
W001 CB112014-06-03 20:30:48.000
W002 CB112014-06-04 01:30:48.000
Table B
IDItemQtyCreatedDatetime
A001 CB112014-06-03 19:05:48.000
A002 CB112014-06-03 20:05:48.000
A003 CB112014-06-03 21:05:48.000
A004 CB112014-06-04 01:05:48.000
A005 CB112014-06-04 02:05:48.000
I would like to return the nearest date of Table B in my table like for
ID W001 in table B should return ID A002 CreatedDatetime: 2014-06-03 20:05:48.000
ID W002 in table B should return ID A004 CreatedDatetime: 2014-06-04 01:05:48.000
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May 23, 2007
Is there any Posibility to change a User Table to System Table.
How to create one system table.
I am in Big mess that One of the Table I am using is in System Type.
I cant Index the same. Is there any Mistake we can change a user table to system table.....
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Sep 9, 2005
I have a column defined as smalldatetime. Default length (4), and "allow NULLS" is checked.In the Enterprise Manager UI, when i enter data into that table row, if i just tab past that column, all is well, and the value is represented in the UI as <NULL>.The problem comes once i ever enter a date into that column. Say i have entered a date (all is well), and now i want to remove that entry and go back to NULL (after the date value has been committed, different entry session, say).How is that done?It seems to me, once a date has ever been entered into that column, now, if i try to remove it, i get the error "The value you entered is not consistant with the data type or length of the column, or over grid buffer limit". I have tried deleting the value, entering spaces, entering the string NULL or the string <NULL>; maybe some other tries as well, but none works, i always get that error message and am not allowed to proceed past that cell until i restore a date value to it. I want to get back to <NULL>.Anybody know?Thank you.Tom
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Apr 1, 2014
I am stuck on finding a solution to transpose source data from a system via a metadata look-up table into a destination table. I need a method to transpose/pivot the source data into columns (which are by various data-types). The datatypes for each column are listed in a metadata table.
Source Data Table:
Table Name: Source
SrcID AGE City Date
01 32 London 01-01-2013
02 35 Lagos 02-01-2013
03 36 NY 03-01-2013
Metadata Table:
Table Name:Metadata
MetaID Column_Name Column_type
11 AGE col_integer
22 City col_character
33 Date col_date
Destination table:
The source data to be loaded into the destination table(as shown below):
Table Name: Destination
SrcID MetaID col_int col_char col_date
01 11 32 - -
01 22 - London -
01 33 - - 01-01-2013
02 11 35 - -
02 22 - Lagos -
02 33 - - 02-01-2013
03 11 36 - -
03 22 - NY -
03 33 - - 03-01-2013
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Aug 12, 2014
I want Compare two Table data and insert changed field to the third table ...
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Feb 11, 2015
i am inserting something into the temp table even without creating it before. But this does not give any compilation error. Only when I want to execute the stored procedure I get the error message that there is an invalid temp table. Should this not result in a compilation error rather during the execution time.?
--create the procedure and insert into the temp table without creating it.
--no compilation error.
CREATE PROC testTemp
AS
BEGIN
INSERT INTO #tmp(dt)
SELECT GETDATE()
END
only on calling the proc does this give an execution error
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Apr 10, 2015
I created am inventory table with few columns say, Servername, version, patching details, etc
I want a tracking of the table.
Let's say people are asked to modify the base table and I want a complete capture of the details modified and the session of the user ( ) who (system_user) is actually modifying the details.
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Nov 18, 2014
I have 2 tables: Order(ID, Quantity) and Product(ID,Name, Price) and I want to add a calculated field in Order table based on the price column in the Product table. How do i do that?
this query returns the values i want in the table.
select a.quantity * b.price
from tblCustomerPurchases as a
join tblProduct as b
on a.ID=b.ID
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Sep 11, 2007
SQL Server 2005 SP2 Error: Script failed for Table 'dbo.TableName'
I keep getting this error when trying to generate a snapshot for transact replication.
Here is the publishing table schema:
CREATE TABLE [dbo].[viMediaPlaylist](
[MemberID] [bigint] NOT NULL,
[xmlPlaylist] [xml](CONTENT [dbo].[viMediaPlaylistCollectionSchema]) NOT NULL,
PRIMARY KEY CLUSTERED
(
[MemberID] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, FILLFACTOR = 90) ON [PRIMARY]
) ON [PRIMARY]
I tried the following:
#1)Create table schema at the subscriber manually, and change package to Keep object as is. Got the same error during snapshot.
#2Filtered replication to NOT include XML column. This worked, and no error was generated, replication was up and running.
So my question is, what is the problem with XML column being replicated?
Any ideas how i can make this work? At this point i'm not sure what the problem is with the xml column, but it seems like ti tries to run schema script, but i'm not asking it to create the schema i already did it myself. Thanks!
Here is a log dump from the distributor:
2007-09-11 16:40:14.56 SQL Command dump
2007-09-11 16:40:14.56 ================
2007-09-11 16:40:14.56 Server: SQL02
2007-09-11 16:40:14.56 Database: Video
2007-09-11 16:40:14.56 Command Text: sys.sp_releaseapplock
2007-09-11 16:40:14.56 Parameters:
2007-09-11 16:40:14.56 @Resource = SQL02-Video_viMediaPlaylis-71
2007-09-11 16:40:14.56 @LockOwner = Session
2007-09-11 16:40:14.56 @DbPrincipal = db_owner
2007-09-11 16:40:15.17 [0%] The replication agent had encountered an exception.
2007-09-11 16:40:15.17 Source: Unknown
2007-09-11 16:40:15.17 Exception Type: Microsoft.SqlServer.Management.Smo.FailedOperationException
2007-09-11 16:40:15.17 Exception Message: Script failed for Table 'dbo.viMediaPlaylist'.
2007-09-11 16:40:15.17 Message Code: Not Applicable
2007-09-11 16:40:15.17
2007-09-11 16:40:15.17 Call Stack:
2007-09-11 16:40:15.17 Microsoft.SqlServer.Management.Smo.FailedOperationException: Script failed for Table 'dbo.viMediaPlaylist'. ---> Microsoft.SqlServer.Management.Smo.UnsupportedVersionException: Either the object or one of its properties is not supported on the target server version.
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.UserDefinedDataType.GetTypeDefinitionScript(ScriptingOptions so, SqlSmoObject oObj, String sTypeNameProperty, Boolean bSquareBraketsForNative)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.UserDefinedDataType.AppendScriptTypeDefinition(StringBuilder sb, ScriptingOptions so, SqlSmoObject oObj, SqlDataType sqlDataType)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Column.ScriptDdlCreateImpl(StringBuilder sb, ScriptingOptions so)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Column.ScriptDdl(StringCollection queries, ScriptingOptions so)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Table.ScriptTableInternal(ScriptingOptions so, StringBuilder sb, ColumnCollection columns, IndexCollection indexes)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Table.GetTableCreationScript(ScriptingOptions so, StringBuilder sb)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Table.ScriptCreate(StringCollection queries, ScriptingOptions so)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Scripter.ScriptWithListWorker(DependencyCollection depList, SqlSmoObject[] objects)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Scripter.ScriptWithList(DependencyCollection depList, SqlSmoObject[] objects)
2007-09-11 16:40:15.17 --- End of inner exception stack trace ---
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Scripter.ScriptWithList(DependencyCollection depList, SqlSmoObject[] objects)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Management.Smo.Scripter.ScriptWithList(SqlSmoObject[] objects)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.TransSmoScriptingManager.GenerateLogBasedArticleSchScript(Scripter scripter, BaseArticleWrapper articleWrapper, Table smoTable)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.TransSmoScriptingManager.GenerateLogBasedArticleScripts(ArticleScriptingBundle articleScriptingBundle)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.TransSmoScriptingManager.GenerateArticleScripts(ArticleScriptingBundle articleScriptingBundle)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.SmoScriptingManager.GenerateObjectScripts(ArticleScriptingBundle articleScriptingBundle)
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.SmoScriptingManager.DoScripting()
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.SqlServerSnapshotProvider.DoScripting()
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.Snapshot.SqlServerSnapshotProvider.GenerateSnapshot()
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.SnapshotGenerationAgent.InternalRun()
2007-09-11 16:40:15.17 at Microsoft.SqlServer.Replication.AgentCore.Run()
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Aug 31, 2007
Hello,
Maybe anyone have done that before?
I have table where i store SOURCE_TABLE_NAME and DESTINATION_TABLE_NAME, there is about 120+ tables.
i need make SSIS package which selects SOURCE_TABLE_NAME from source ole db, and loads it to DESTINATION_TABLE_NAME in destination ole db.
I made such SSIS package. set ole db source data access mode to table or view name variable.
set ole db destination data access mode to table or view name variable. set to variables defoult values (names of existing tables)
but when i loop table names is changed, it reports error, that can map columns, becouse in new tables is different columns.
how to solve that problem?
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Apr 23, 2008
Hi... I was hoping if someone could share me some thoughts with the issue that I am having at the moment.
Problem: When I run the package in my local machine and update local SS DB/table - new records writes OK in the table. BUT when I changed my destination meaning write record into another physical SS DB/table there is no INSERT data occurs. AND SO when I move/copy over that same package into another server (e.g. server that do not write record earlier) and run it locally IT WORKS fine too.
What I am trying to do is very simple - Add new records in a SS table using SSIS . I only care for new rows and not even changed rows.
Here is my logic -
1. Create Ole DB source to RemoteSERVER - using SELECT stmt
2. I have LoopUp component that will look for NEW records - Directs all rows that don't find match and redirect rows (error output).
3. Since I don't care for any rows that is matched in my lookup - I do nothing or I trash the rows
4. I send the error rows (NEW rows) into OleDB destination
RESULTS when I run the package locally and destination table is also local - WORKS FINE;
But when I run the package locally and destination table is in another Sserver (remote) - now rows is written.
The package is run thru BIDS manually so there is no sucurity restrictions attached to it.
I am not sure what I am missing. And I do not see error in my package either. It is not failing.
Thanks in advance!
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Apr 10, 2008
How do I use table names stored in variables in stored procedures?
Code Snippetif (select count(*) from @tablename) = 0 or (select count(*) from @tablename) = 1000000
I receive the error 'must declare table variable '@tablename''
I've looked into table variables and they are not what I would require to accomplish what is needed.
After browsing through the forums I believe I need to use dynamic sql particuarly involving sp_executesql. However, I am pretty new at sql and do not really understand how to use this and receive an output parameter from it(msdn kind of confuses me too). I am tryin got receive an integer count of the records from a certain table which can change to anything depending on what the user requires.
Code Snippet
if exists(Select * from sysobjects where name = @temptablename)
drop table @temptablename
It does not like the 'drop table @temptablename' part here. This probably wouldn't be an issue if I could get temporary tables to work, however when I use temporary tables i get invalid object '#temptable'.
Heres what the stored procedure does.
I duplicate a table that is going to be modified by using 'select into temptable'
I add the records required using 'Insert into temptable(Columns) Select(Columns)f rom TableA'
then I truncate the original table that is being modified and insert the temporary table into the original.
Heres the actual SQL query that produces the temporary table error.
Code Snippet
Select * into #temptableabcd from TableA
Insert into #temptableabcd(ColumnA, ColumnB,Field_01, Field_02)
SELECT ColumnA, ColumnB, Sum(ABC_01) as 'Field_01', Sum(ABC_02) as 'Field_02',
FROM TableB
where ColumnB = 003860
Group By ColumnA, ColumnB
TRUNCATE TABLE TableA
Insert into TableA(ColumnA, ColumnB,Field_01, Field_02)
Select ColumnA, ColumnB, Sum(Field_01) as 'Field_01', Sum('Field_02) as 'Field_02',
From #temptableabcd
Group by ColumnA, ColumnB
The above coding produces
Msg 208, Level 16, State 0, Line 1
Invalid object name '#temptableabcd'.
Why does this seem to work when I use an actual table? With an actual table the SQL runs smoothly, however that creates the table names as a variable problem from above. Is there certain limitation with temporary tables in stored procedures? How would I get the temporary table to work in this case if possible?
Thanks for the help.
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Jun 25, 2007
Hi, all experts here,
I am wondering if tempdb stores all results tempararily whenever I query a large fact table with over 4 million records which joins another dimension table? Since each time when I run the query, the tempdb grows to nearly 1GB which nearly runs out all the space on my local system drive, as a result the performance totally down. Is there any way to fix this problem? Thanks a lot in advance and I am looking forward to hearing from you shortly for your kind advices.
With best regards,
Yours sincerely,
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May 18, 2006
Hi all,
I have SQL Server Management Studio Express (SSMS Express) and SQL Server 2005 Express (SS Express) installed in my Windows XP Pro PC that is on Microsoft Windows NT 4 LAN System. My Computer Administrator grants me the Administror Privilege to use my PC. I tried to use SQLQuery.sql (see the code below) to create a table "LabResults" and insert 20 data (values) into the table. I got Error Messages 102 and 156 when I did "Parse" or "Execute". This is my first time to apply the data type 'decimal' and the "VALUES" into the table. I do not know what is wrong with the 'decimal' and how to add the "VALUES": (1) Do I put the precision and scale of the decimal wrong? (2) Do I have to use "GO" after each "VALUES"? Please help and advise.
Thanks in advance,
Scott Chang
///////////--SQLQueryCroomLabData.sql--///////////////////////////
USE MyDatabase
GO
CREATE TABLE dbo.LabResults
(SampleID int PRIMARY KEY NOT NULL,
SampleName varchar(25) NOT NULL,
AnalyteName varchar(25) NOT NULL,
Concentration decimal(6.2) NULL)
GO
--Inserting data into a table
INSERT dbo.LabResults (SampleID, SampleName, AnalyteName, Concentration)
VALUES (1, 'MW2', 'Acetone', 1.00)
VALUES (2, 'MW2', 'Dichloroethene', 1.00)
VALUES (3, 'MW2', 'Trichloroethene', 20.00)
VALUES (4, 'MW2', 'Chloroform', 1.00)
VALUES (5, 'MW2', 'Methylene Chloride', 1.00)
VALUES (6, 'MW6S', 'Acetone', 1.00)
VALUES (7, 'MW6S', 'Dichloroethene', 1.00)
VALUES (8, 'MW6S', 'Trichloroethene', 1.00)
VALUES (9, 'MW6S', 'Chloroform', 1.00)
VALUES (10, 'MW6S', 'Methylene Chloride', 1.00
VALUES (11, 'MW7', 'Acetone', 1.00)
VALUES (12, 'MW7', 'Dichloroethene', 1.00)
VALUES (13, 'MW7', 'Trichloroethene', 1.00)
VALUES (14, 'MW7', 'Chloroform', 1.00)
VALUES (15, 'MW7', 'Methylene Chloride', 1.00
VALUES (16, 'TripBlank', 'Acetone', 1.00)
VALUES (17, 'TripBlank', 'Dichloroethene', 1.00)
VALUES (18, 'TripBlank', 'Trichloroethene', 1.00)
VALUES (19, 'TripBlank', 'Chloroform', 0.76)
VALUES (20, 'TripBlank', 'Methylene Chloride', 0.51)
GO
//////////Parse///////////
Msg 102, Level 15, State 1, Line 5
Incorrect syntax near '6.2'.
Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'VALUES'.
////////////////Execute////////////////////
Msg 102, Level 15, State 1, Line 5
Incorrect syntax near '6.2'.
Msg 156, Level 15, State 1, Line 4
Incorrect syntax near the keyword 'VALUES'.
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