String Matching Precedence

May 2, 2006

An application filters records based on names found in them. For
example, looking through property buyer names, looking for banks and
relocation companies.

I have a table of names and patterns:

CREATE TABLE #Filters (Pattern varchar(100), IfWildCard int, Category
int)
INSERT #Filters SELECT 'Bank Of America', 0, 1
INSERT #Filters SELECT '% Bank %', 1, 2
INSERT #Filters SELECT 'Bank %', 1, 2
INSERT #Filters SELECT '% Bank', 1, 2
INSERT #Filters SELECT 'Credant Reloc%', 1, 3
INSERT #Filters SELECT '%Relocation%, 1, 3

The filtering matches the table of candidate names against the filters,
and returns Category, where the where clause or join is
(Candidate = Pattern AND IfWildCard = 0)
OR (Candidate LIKE Pattern AND IfWildCard = 1)

"Bank of America" matches an exact pattern, and also a wildcard
pattern, and the two different matches give different values for
Category. Is there a way to control which match takes precedence, or
is necessary to do it multiple times in the desired order, removing
those that hae already matched from consideration?

Thanks,
Jim Geissman

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String Matching

Nov 22, 2007

I'm on SQL Server 2005.

I have 2 tables called Customer & CustomerArchive. Both Tables have the same Column names and Datatypes etc.


CustomerID Address Postcode

1 10 Alcove Street 4000

50 21 Spring Street 4032

33 5 Terrace Place 4010

What I need to do is compare each column except for the CustomerID to see if it is the same!

In other words, I need to compare Address in the Customer Table with Address in the CustomerArchive Table.

I have to do this with all columns (12) of them between the 2 Tables.

Is there a efficient & smart way to do this aprt from the obvious way of joing the 2 Tables via the CustomerID and performing a Customer.Address <> CustomerArchive.Address
Customer.PostCode <> CustomerArchive.PostCode
etc etc etc!

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Transact SQL :: String Function To Extract Matching Rows

Oct 6, 2015

Consider the following: I have a table, say ORDERS, with these entries -

CustID
ProductID
1       CAN
2       2
3       1,2
4       4
5       1,2,3,4,5,CAN
6       10
7       CAN
8       1,CAN

I'd like to write a script to return only those rows WHERE ProductID = CAN along with other values in the same column. In this example, I'd like to return rows 5 & 8. How can I write this in T-SQL? So, say, check if ProductID has a comma ',' value plus the 'CAN' string. If yes, then return that row. If I use the LIKE operator, it'll return rows 1,5,7, and 8.

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SQL Server 2012 :: Selecting Matching Rows Which Exist In Particular String?

Apr 3, 2015

Suppose I have string like

@strname varchar= = '3 April 15 abcd Oh rrrrrrrAAAAdd HJHJG'

and table contains two columns having rows like,

ID text
1 abcd ER
2 abcd AS
3 abcd Oh
4 xyz TR
5 azs WS
6 abcd O
7 OP trx

how can I search a ID's which are exist in my string.

result should be,

3 abcd Oh
6 abcd O

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SQL Server 2012 :: Select Matching Rows Which Exist In Particular String?

Apr 14, 2015

Suppose I have string like

DECLARE @strname varchar(50) = 'i_ncm_ai04';
DECLARE @SAMPLE_DATA TABLE
(
SD_ID INT NOT NULL
,SD_TEXT VARCHAR(10) NOT NULL

[Code] ......

how can I search a ID's which are exist in my string.

result should be,

3 i_ncm
8 i_ncm_a

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Returning Matching/Non Matching Records

Feb 4, 2007

Hi All

I have a strange request that might not be possible based on the laws of relational databases but I thought I'd give it a try.

I have three tables which for simplicity I will call A, B and C. Table A contains my master records, Table B contains user details and the final table contains some extra data

In my initial search when joining A and B, I return 100 records. I then need to search in table C for these 100 records based on a criteria. the expected result should return all 100 rows for the ones that match and also the ones that do not match. The problem is that in Table C, not all the 100 IDs exist, so there will not be a corresponding record. Unfortunately, our users still want to see all 100 records in the output. Is this possible

As always any help or direction would be appreciated.

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Pattern Matching - Searching For Numeric Or Alpha Or Alpha-Numeric Characters In A String

Aug 18, 2006

Hi,

I was trying to find numeric characters in a field of nvarchar. I looked this up in HELP.





Wildcard
Meaning



%


Any string of zero or more characters.



_


Any single character.



[ ]


Any single character within the specified range (for example, [a-f]) or set (for example, [abcdef]).






Any single character not within the specified range (for example, [^a - f]) or set (for example, [^abcdef]).

Nowhere in the examples below it in Help was it explicitly detailed that a user could do this.

In MS Access the # can be substituted for any numeric character such that I could do a WHERE clause:

WHERE
Gift_Date NOT LIKE "####*"

After looking at the above for the [ ] wildcard, it became clear that I could subsitute [0-9] for #:

WHERE
Gift_Date NOT LIKE '[0-9][0-9][0-9][0-9]%'

using single quotes and the % wildcard instead of Access' double quotes and * wildcard.

Just putting this out there for anybody else that is new to SQL, like me.

Regards,

Patrick Briggs,
Pasadena, CA






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GROUP BY Precedence

Mar 13, 2008

How is the column precedence determined when more then one column is included in the group by clause? I am using T-SQL.

for example:

SELECT VendorName, VendorState, SUM(Invoices.InvoiceTotal) AS InvoiceSum
FROM Vendors JOIN Invoices ON
Vendors.VendorID = Invoices.InvoiceID
GROUP BY VendorState, VendorName

I would expect this statement to group by VendorState first but my result set is grouping by VendorName and then VendorState.

Am I missing something?

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Precedence Constrains

Jan 31, 2007

Hi there!

I've a few tasks in my dataflow. Some of them are executed depending on an precedence constrain. Works fine.

The problem is following: I want to write a success message (execute SQL task), when all the tasks who have been executed have done this with success. For example, i ve ten tasks, and 2 of them are executed (successfully). This is good, i want to execute my task to write the success message.

I tried to set these precedence constraints with EvalOP = ExpressionOrConstraint, Values = Success and an expression, what returns TRUE, when the task above is not executed (the condition from a precedence constraint above). But the task to write my message will never be executed, because it seems the task does'nt give any result (neither success nor failure) when they ar not executed, and so my AND-Constraint for the success message task will only get TRUE, when ALL task are executed (and successful).

Is there any chance to get somethink like "isSuccess OR IsNotExecuted" into a precedence constraint?

Thanks, Torsten

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Precedence Constraint Being Ignored?

May 22, 2008

hi all - this is the first time i've worked with SSIS / Business Intelligence, and I'm having an issue with a piece of basic functinoality.

I'm working with some dtsx jobs which were all conversions from Sql Server 2000 DTS jobs. The conversion process "seemed" to go smoothly. I used the Migration Wizard, and it successfully converted my outputted DTS job files into DTSX files.

In the Business Intelligence design environment (Control Flow) for a specific dtsx package, I have two tasks that are linked together by a Precedence Constraint.

* Task A Truncates all data in Database B --> Table A
* the precedence constraint says that if Task A is successful, then go on to Task B (or at least i think it does)
* Task B copies the newest data from Database A --> Table A over to Database B --> Table A

Everything appears to be correct, but if i right-click Task A and perform an "Execute Task" command, Task A will run successfully, but then stops short without running Task B.

Are there any common "gotchas" or issues that I might be missing which would cause this behavior? I deleted the existing precedence constraint, and added back a new one with the same settings, but Task B still will not run.

thanks for any help on this

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Precedence Puzzle

Aug 7, 2006

Hello folks,

I have probably a dumb newbie question but I can't find the answer anywhere.

On my Control Flow design pane I have two objects: a SQL task object and a Data flow task object. The first 'points' to the second. From my digging I believed that by indicating with the arrow from 1 to 2 that 1 would execute to finish before 2 was started.

My SQL taks is to truncate a table to receive the new data coming from the data flow task object. Instead 2 executes first and then 1. You can imagine producing an empty table was not my goal for this package.

Can anybody give me a clue?

Thanks....

Jim

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Precedence Constraints

Nov 7, 2007

Hello,
I've recently begun exploring Integration Services and have a question regarding a Control Flow element.

I'm trying to understand precedence constraints. Specificially, the logical AND and logic OR components. If I have two constaints A and B where A is using a logical AND and B is using a logical OR, how are the constraints evaluated? The Evaluation Operation is set to "Expression and Constraint" for both constraints.

If my understanding is correct, path A would be followed if both A AND B are true. Path B would be followed if A OR B is true. Is this correct?

Regards,
Orlanzo

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Operator Precedence Challenge

Apr 29, 2004

I'm having problems with the query below. It works fine until the "NOT IN" part and I'm not sure why. Basically, I'm getting records where their educ_audio field is set to "no". I've messed with the parens to try to force SQL to process the NOT IN part before the other clauses without avail. Can someone shed some light?

TIA

SELECT distinct contacts.fname, contacts.lname, contacts.company, contacts.contact_id, contacts.business_phone, contacts.emailAddress, contacts.dateLastContact FROM journal INNER JOIN contacts ON journal.contact_id = contacts.contact_id INNER JOIN products ON journal.product_code = products.product_code WHERE ( journal.product_code IN ('ABLE') ) OR (( journal.product_code IN ('JOBS') ) AND ( journal.product_status IN ('12','14','15') )) OR (( products.prod_design IN ('audio') ) AND ( products.library_code IN ('hrss') )) AND (journal.journal_id NOT IN (SELECT journal.journal_id FROM journal INNER JOIN contacts ON journal.contact_id = contacts.contact_id INNER JOIN products ON products.product_code = journal.product_code where ( contacts.educ_audio IN ('no') ) )) ORDER BY contacts.lname asc, contacts.fname

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Precedence Constraint Problem

Dec 20, 2007

I have two packages - one works, the other doesn't. Both have two tasks: an Execute SQL Task and a dependent Send Mail Task. I am using a precedence constraint where the evaluation operation is an expression evaluating a variable created by a select count(*) as variable in the query. Both variables are defined as int32, initial value of 0 with a scope for the entire package.

The expression that works tests for an error_counts > 0 condition; the one that doesn't tests for load_counts < 24. The > 0 sends mail when the error_count is greater than 0 but doesn't send mail when it is 0, which is as I intended. The less than 24 package always sends mail even though the variable resultset_singlerow is usually 24. When I look at both properties for the Execute SQL Task steps side by side, they have no differences. When I look at the properties for the constraint, the only difference is in the EvaluatesTrue, which is set to False for the one that works and True for the one that doesn't. Unfortunately, that property is grayed out (not modifiable) and doesn't seem to be an option when I edit via the Precedence Constraint Editor.

I've looked a Books Online & Google with no references to a similar situation. Does anyone have a solution? Is the EvaluatesTrue the problem? And if it is, how can I change the setting? If not, what is the problem?

Thanks in advance for any help.

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Disappearing Precedence Constraints

Jan 25, 2007

Has anyone seen precedence constraints disappear in a package after closing and opening again? In this case, it's not package-wide. Only constraints inside one Foreach Loop container disappeared. Any idea what causes this to happen?

p.s: Yes, I did Save All. Most of these contraints were saved in the package for more than a week anyway.

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Problem With Precedence Expression

Aug 21, 2007

Hello,
I have a SQL Task the executes the following statement;

SELECT COUNT(SettleDate) AS CountResult
FROM SettleDateCount

I have the SQL Task Editor configured for a Single Row result set. The Result Name is CountResult, and the variable it populates is RowCountRes. RowCountRes is Int32 with EvaluateAsExpression set to False.

I have a boolean variable called RowCountStatus. It evaluates as the following expression;

@[User::RowCountRes] > 1

From the SQL Task, I have two different constraints, both of which evaluate with an expression. One constraint evaluates this way; @[User::RowCountStatus] = True
The other evaluates this way; @[User::RowCountStatus] = False

The idea is that if the count comes back from the sql statement greater than 1 then execution continues down one path, else it goes down the other path. Currently, the result comes back = 1. I expect that the 'False' path will execute, but the 'True' path executes instead.

What am I doing wrong?

Thank you for your help!

cdun2

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Precedence Constraint Problem

Dec 20, 2007

I have two packages - one works, the other doesn't. Both have two tasks: an Execute SQL Task and a dependent Send Mail Task. I am using a precedence constraint where the evaluation operation is an expression evaluating a variable created by a select count(*) as variable in the query. Both variables are defined as int32, initial value of 0 with a scope for the entire package. The expression that works tests for an error_counts > 0 condition; the one that doesn't tests for load_counts < 24. The > 0 sends mail when the error_count is greater than 0 but doesn't send mail when it is 0, which is as I intended. The less than 24 package always sends mail even though the variable resultset_singlerow is usually 24.

When I look at both properties for the Execute SQL Task steps side by side, they have no differences. When I look at the properties for the constraint, the only difference is in the EvaluatesTrue, which is set to False for the one that works and True for the one that doesn't. Unfortunately, that property is greyed out (not modifiable) and doesn't seem to be an option when I edit via the Precedence Constraint Editor.

I've looked a Books Online & Google with no references to a similar situation. Does anyone have a solution? Is the EvaluatesTrue the problem? And if it is, how can I change the setting?

Thanks in advance for any help.

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Precedence Completion Operation

Feb 14, 2007

I have three sequence containers setup to run in parallel. I have a final step that parses the log file and displays results, and I want to this to occur when all three containers have completed, success or failure. I therefore have a constraint from each container that feeds into my final step, and all three constraint types are set to "completion".

When I run the package and one of the tasks within a container fails (and fails its parent, but not the package) the final step is not executed.

If I take off all the constraints except one, the final step is executed as expected.

I am using checkpointing if that has any impact. Disabling it makes no difference.

Any thoughts/alternatives I might try?

thanks





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Workflow - Precedence Constraint

May 1, 2008



Hi,

I have 3 data flows connected sequentially on my workflow before processing dimensions and facts which checks data from different databases and if conditions does not meet then writes to log table. So if it writes to log table , I have to quit and finish the workflow.
How can I do that?


thanks,
J

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Problem With Precedence Constraints

Aug 29, 2006

Hello,

I have a package that executes 2 sql tasks then another SSIS package. My precedence constraints between sql task 1 and sql task 2, and sql task 2 and the SSIS package check that @ErrorValue == 0.

@ErrorValue is set after each sql task (both of which execute stored procs) with the value of the output parameter for the stored proc. I have run both stored procs on the server and both return 0 in the output parameter.

When I run the package the two sql tasks execute as expected (tasks turn green indicating success) but the package stops at that point and the SSIS package task never executes.

If I remove the second sql task and connect the first sql task to the package task with the @ErrorValue == 0 precendence constraint the package task still does not execute (even though the constraint worked to get the sql task 2 to execute).

The package only runs if I remove the expression in the second precedence constraint (between sql task 2 and the package) thus changing it to simply 'on success'.

Please help!

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Precedence Constraint Expressions

Jul 30, 2007



Hi all
I've got a package that checks the length of chars in a flatfile and if it's correct it executes the dataflow task.

How can i write an expression in the precedense constraint editor to skip the dataflow task if there is an error in the script task?


Thank you

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Objects In Precedence Constraints?

May 3, 2006

Is it possible to use objects in precedence constraints? For example, I have a collection object that may or may not be populated in a script at some point and want to be able to execute different paths depending upon whether the Count property equals zero or not.

I realize I could very easily just create another int variable and populate it accordingly, but I am just curious about this. I couldn't get it to work, but then I am really just starting out here and just not sure if I am doing it wrong.

Thanks!

Brandon

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Precedence Constraint Issue

Mar 5, 2008



I am struggling here with precendece constraints and variables.

I have the following scenario:







Task A





Task B





Task C





@var1!=0





@var1==0
Task A, Task B and TaskC

Task A (Execute SQL Task which assigns a value to a variable say, var1) determines if TaskB will execute i.e.

IF var1 !=0 Execute Task B and then Execute Task C

IF var1== Execute Task C

Is this possible in SSIS?

Problem:
Each time I try to do this, the package never executes Task C. It always either Executes Task A or Task A and Task B.


For example if var1 !=0 it executes Task A and Task B

but if var1 == 0 it executes only Task A.

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Qestion On Precedence Constraint Editor

Jan 5, 2008

I am confused with Precedence constraint editor regarding Evaluation Operation and Multiple Constraints options. In the Evaluation Operation dropdown list, there are: Expression and Constraint and Expression OR Constraint. Why it still needs LOGICAL AND and LOGICAL OR in the multiple constraints options? Is it clear that Expression and Constraint is "LOGICAL AND" and "Expression OR Constraint" is "LOGICAL OR"?

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Adding Precedence To Multiple Files

Jun 15, 2007

hi all,

i have a package here which updates a DB from a flat file source.now the problem is i may get multiple files.i have used a for each loop to handle this. it takes files based on the files name9(file names has a timestamp in it).but i want to give files in order of its Creation time.

Please help me on this.i have written a script task before the for each loop and i have got the minimum creation date from all the files,i am not able to going forward from here.

does any body has an idea!!

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SSIS - Precedence Constraint Editor

Aug 31, 2007



Dear Friends,
In my controlFlow I have 2 sequence container... Sequence1 goes to Sequence2 if an expression valuate to TRUE.
If the expression value is true, than there isn's any problem and sequence2 runs, but if the expression is FALSE the sequence2 container doesn't run.

OK?
In the case of expression valueate to FALSE I need to generate an error or an information in order to get it in the eventhandler automatic...
I can add a script task to make the package failure... but what I insert in the precedence constraint editor from Sequence1 to the scripttask?

Imagine... the expression from Sequence1 to Sequence2 is a>=b
The expression from Sequence1 to ScriotTask os a<b? (How can I define this only to run when the expression (seq1 to Seq2) is false??



Someone know how?
Regards!

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SSIS Precedence Constrains Not Showing

Dec 5, 2007

I have DTSX package where all the Control Flow Boxes are connected by precedence constraints (the Green Lines).
However, only half of them visible!
If I try and add another it says:

Cannot create connector.
Only one workflow can exist between the same two executables.
I don't want to have to drop and create them all the constraints (because there are a lot of them!)
But I can't even do that - since I can't see them, I can't select them; and I don't think I can delete them without being able to select them. Am I missing something? Zooming in makes everything larger, but it doesn't make my Green Lines reappear.
Help!

And yes, I'm using the latest version of everything:-

Microsoft Visual Studio 2005
Version 8.9.50727.762 (SP.050727-7600)

SQL SERVER 2005
9.00.3054.00 SP2 Developer Edition

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Precedence Constraints And Sequence Containers

Jul 17, 2007

I have about 12 sequence containers mapped out to execute separately based on a precedence contraint and an expression. These lie at the same level and order in my sequence. Only one of these will execute based on an expression. After any of these executes, I have a consecutive sequence container that I'm attempting to execute. I've set the precedence contraint from all twelve of the prior sequence containers to this single sequence container that I would like to run after any of the 12. My problem is that the package will only allow one of these twelve sequence containers to become a precedence of this second single sequence container at a time. The package will let me graphically attach the precedence constraint from all 12 to this single sequence container, but when the package runs, it fails to follow through to this single sequence container. I'm trying to figure out why this is the case and how I can get what I would like to work -- work. Thanks.

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Conditional Workflow Via Precedence Constraints

Jan 3, 2008

I have three control flow tasks that are executing in consecutive order. Tasks 1 and 3 will always execute, but sometimes (based on an expression) task 2 will not. I would like to use precedence constraints in such a way that task 3 will execute regardless of whether task 2 executes, but in the event task 2 does execute, task 3 will only execute AFTER task 2 completes. Is there a way to accomplish this without setting the disabled property of task 2 at runtime?

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Multiple Expressions In Precedence Constraints

Jun 20, 2007

Is it possible in a precedence constraint to have multiple expressions evaluated? IE



Operation set to Expression and expression to evaluate is: @File = x or @File = y





Thanks

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ScriptTask Not Running With Precedence Constraints

Dec 20, 2007

I have created a task that uses a ForEachFile Loop. Within that loop I load 5 files. Once those 5 files have loaded successfully I want to run a stored procedure. I placed this stored procedure into a script task. The script task has 5 precedence constraints,. They are a success on the load of the files. When I run the task, the 5 files load, but the script task will not start. I have gone so far as to check each load individually to see if it would start the script task, which they do. It's only when I add more than 1 precedence constraint that the script task will not run. The precedence constraints are set to AND, so they all are required. They all succeed. What am I doing wrong?

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DTS Execute Package Task Step Precedence Bug

Jun 18, 2002

This is a bug that I submitted to Microsoft. I wanted to see if anyone could assist me with a work-around.

1. Create a new DTS Package
2. Add an ActiveX Task and change 'Main = DTSTaskExecResult_Success' to 'Main = DTSTaskExecResult_Failure'.
3. Running this package will result in a Failed package.
4. Save Package as 'Failure' to local server

5. Create another new DTS Package.
6. Add an 'Execute Package' task, and configure the properties to have it launch the saved 'Failure' child package.
7. Add an ActiveX task and then click ok to close it.
8. Select the Execute Package task (which executes the failure package), hold control and click the ActiveX task. Add an 'On Success' Precendence constraint from the 'Workflow' menu.

9. Now execute the package. Notice that the ActiveX task will execute even though the Execute Package task FAILED.

10. If you change the Precendence constraint from 'On Success' to 'On Failure' the ActiveX task will not run, because the package thinks that the Execute Package task completed with success.

In summary... if a child package, executed by an Execute Package task fails, the Execute Package Task ALWAYS "reports" success to the following precedence constraint and the package continues to run. Even if 'Fail Package on first error' is enabled. Although you will see that the task actually failed while watching the status of the package execution.

I am currently trying to write vbscript in an ActiveX task that will follow an Execute Package Task. I am trying to make the vbscript check and see if the previous task really did succeed or fail, and then make the ActiveX task succeed or fail as required to make the precedence constraints work properly.

I have replicated this problem on many different machines.

---------------------------------------------------------------------------

Any ideas for my ActiveX task? I am trying to access the StepExecutionResult from the Execute Package task, and I have been unable to. If I can get the Step Execution reult, then I can in turn cause the ActiveX task to suceed or fail, based on the execution result of the Execute Package task.

Thank you for your time,

David Zebrowitz
dzebrowitz@apartners.com

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Maintenance Place Precedence Constraint Editor

Feb 28, 2007

SQL Server 2005 now provides the ability to use expressions in the plans instead of just the Failed/Success/Completed constraints.

Can anyone tell me what language is used for these expressions. Where can I find a guide on this?



Thanks


Drew

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