Constraint Expression In SQL Server 2005 IDE
Mar 20, 2007
I was trying to enter a constraint expression into the dialog box. I have three fields of the data type "bit". I want to make sure that of the three, only one equals "1". Using the documentation I found in Books Online, I attempted to use the following expression, but it would not validate.
(expert == 1 && supplier == 0 && employee == 0) || (expert == 0 && supplier == 1 && employee == 0) || (expert == 0 && supplier == 0 && employee == 1)
Can someone please assist me in getting this corrected?
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- Will -
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http://www.strohlsitedesign.com
http://www.servicerank.com/
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Jun 28, 2006
if i have a table which defines a rule as "combination of two fieldmust be unique", how can I write this in a constraint expressionsection?i started learning more about ms sql side to handle all the necessaryrules in back-end instead of front-end.also any good learning links, references, or book recommandations?thanks
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Aug 15, 2006
Hi all,
I wrote the expression below in a table's check constraint
(CustomerTypeID = 0 and ContentSiteID is null and ResellerID is null and AffiliateID is null and WhiteLabeLID is null ) or
( CustomerTypeID = 1 and ContentSiteID is not null and ResellerID is null and AffiliateID is null and WhiteLabeLID is null )
It saved it ok, but when I re-opened and viewed the expression again it was converted to:
([CustomerTypeID] = 0 and [ContentSiteID] is null and [ResellerID] is null and [AffiliateID] is null and [WhiteLabeLID] is null
[CustomerTypeID] = 1 and [ContentSiteID] is not null and [ResellerID] is null and [AffiliateID] is null and [WhiteLabeLID] is null )
This is a different logic because the OR is not prioritised above the AND.
Any solution or should I move my condition to the table's Update and Insert triggers?
Thanks!
Ofer
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Dec 13, 2006
Greetings,
I have an expression in a precedence constraint that is returning false when it should return true. This is the expression that returns false:
((5500 / 9990) * 100) > 10
The following expression returns true. I did the division (5500 / 9990) myself and substituted the resulting value:
((0.55055055055055055055055055055055) * 100) > 10
Why is the first expression returning false? I'm stuck in the mud up to my axles on this and I know I'll probably feel like a fool when I learn the answer...
Thanks,
BCB
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Nov 2, 2006
I want to set up a simple check constraint on a column limiting to values "Yes", "No" and ""I'm trying to use:CONSTRAINT IsAccessToItRestricted_ckcheck (IsAccessToItRestricted in('Yes,'No','');but this is not the right syntax.............. help!
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Aug 15, 2006
Hi All,
I have created a table using VIEWS in SQL server 2005, now i want to be ablle to edit it in a datagrid but i cannot do so as i there is no primary key!
now does anybody know how to set a primary key constraint so i can set one of the fields as a primary key to identify the row?
many thanks
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Jun 24, 2006
Hi there,
When the distribution agent runs trying to apply the snapshot at the subscriber I get the following error message
Message
2006-06-24 12:41:59.216 Category:NULL
Source: Microsoft SQL Native Client
Number:
Message: Batch send failed
2006-06-24 12:41:59.216 Category:NULL
Source: Microsoft SQL Native Client
Number: 2627
Message: Violation of PRIMARY KEY constraint 'MSHREPL_1_PK'. Cannot insert duplicate key in object 'dbo.ITEMTRANSLATION'.
2006-06-24 12:41:59.216 Category:NULL
Source:
Number: 20253
What could possibly cause this error? And how can I possibly fix it?
Best regards,
JB
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Aug 9, 2006
Hi,
When I create a unique constraint, SQL Server automatically creates an index on this constraint. So when I run the following...
ALTER TABLE PersonsProjects
WITH NOCHECK ADD CONSTRAINT NoDupes UNIQUE NONCLUSTERED (PersonID, ProjectID)
...SQL Server will create a composite index on PersonsProjects called NoDupes on PersonIDand ProjectID. Thing is, I need this index to include a third column Status since most queries use this column in conjunction with PersonID and ProjectID. If there was no index on this table, I would have created it as follows:
CREATE UNIQUE INDEX NoDupes ON PersonsProjects (PersonID, ProjectID) INCLUDE (Status) WITH IGNORE_DUP_KEY
But this won't enforce the unique constraint on PersonID and ProjectID when performing inserts and updates. Is there any way of creating a unique constraint with an included column?
I would rather not have two indexes...
NoDupes: PersonID,ProjectID
New Index: PersonID,ProjectID INCLUDE Status
...so I'm trying to determine what other options that might be available...please advise.
Thanks much.
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May 28, 2007
Hi
Bear with me I am creating my first report using sql server 2005 report wizard.
I have a query that s runs OK and returns name/addresses of companies for me to write a statement report.
My question is , how can only the 'FILLED' address column get displayed onto report and empty address fields are rejected i.e.
Address 1: 12 WoodStock Road
Address 2:
Address 3: Oxford
Address 4:
Address 5: OX10 0AB
therefore the report (page) should only display Address 1, Address 3 and Address 5
I tried to solve by trying to write an expression in 'Edit Experssion' without any joy.
Thanks in advance
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Aug 30, 2006
Hi,
We are developing the web application using ASP.NET 2.0 using C# with Backend of SQL Server 2005.
Now we have one requirement with my client, Already our application live in ASP using MS Access Database. In Access Database our client already wrote the query, those query call the another query from same database. So I want to over take this functionality in SQL Server 2005.
In ASP Application, We call this query €œ081Stats€? from Record set.
This €˜081Stats€™ query call below sub query itself
Master Query: 081Stats
SELECT DISTINCTROW [08Applicants].school, [08Applicants].Applicants, [08Interviewed].Interviewed, [Interviewed]/[Applicants] AS [interviewed%], [08Accepted].Accepted, [Accepted]/[Applicants] AS [Accepted%], [08Dinged].Dinged, [Dinged]/[Applicants] AS [Dinged%], [08Waitlisted].Waitlisted, [Applicants]-[Accepted]-[Dinged] AS Alive, [08Matriculating].Matriculating, [Matriculating]/[Accepted] AS [Yield%]
FROM ((((08Applicants LEFT JOIN 08Interviewed ON [08Applicants].school = [08Interviewed].school) LEFT JOIN 08Accepted ON [08Applicants].school = [08Accepted].school) LEFT JOIN 08Dinged ON [08Applicants].school = [08Dinged].school) LEFT JOIN 08Waitlisted ON [08Applicants].school = [08Waitlisted].school) LEFT JOIN 08Matriculating ON [08Applicants].school = [08Matriculating].school;
Sub Query 1: 08Accepted
SELECT statusTbl.school, Count(1) AS Accepted
FROM statusTbl
WHERE (((statusTbl.decision)=1) AND ((statusTbl.yearapp)="2008"))
GROUP BY statusTbl.school
ORDER BY Count(1) DESC;
Sub Query 2: 08Applicants
SELECT statusTbl.school, Count(1) AS Accepted
FROM statusTbl
WHERE (((statusTbl.decision)=1) AND ((statusTbl.yearapp)="2008"))
GROUP BY statusTbl.school
ORDER BY Count(1) DESC;
Sub Query 3: 08Dinged
SELECT statusTbl.school, Count(1) AS Dinged
FROM statusTbl
WHERE (((statusTbl.decision)=0) AND ((statusTbl.yearapp)="2008"))
GROUP BY statusTbl.school
ORDER BY Count(1) DESC;
Sub Query 4: 08Interviewed
SELECT statusTbl.school, Count(1) AS Interviewed
FROM statusTbl
WHERE (((statusTbl.interview)=True) AND ((statusTbl.yearapp)="2008"))
GROUP BY statusTbl.school
ORDER BY Count(1) DESC;
Sub Query 5: 08Matriculating
SELECT statusTbl.school, Count(1) AS Matriculating
FROM statusTbl
WHERE (((statusTbl.userdec)=True) AND ((statusTbl.yearapp)="2008"))
GROUP BY statusTbl.school
ORDER BY Count(1) DESC;
So now I got the solution from SQL Server 2005. I.e. Common Table Expressions, So I got the syntax and other functionality, Now my doubts is how do implement the CTE in SQL Server 2005, where can I store the CTE in SQL Server 2005.
How can I call that CTE from ASP.NET 2.0 using C#?
CTE is replacing the Stored Procedure and Views, because it is memory based object in SQL Server 2005.
How can I implement the CTE, where can I write the CTE and where can I store the CTE.
And how can I call the CTE from ASP.NET 2.0 using C#.
It€™s Very Urgent Requirements.
We need your timely help.
With Thanks & Regards,
Sundar
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Mar 8, 2007
I have an expression in a group that calculates a percentage of sales:
=iif(Sum(Fields!BOOKD.Value)=0,0,IIF(Sum(Fields!NET.Value)=0,0,((Sum(Fields!BOOKD.Value)-Sum(Fields!NET.Value))/Sum(Fields!BOOKD.Value))))*100
If there is a 0 balance for both the book dollar and the net dollar the expression returns #Error.
I have made sure that if the value is null it should return a 0 in the initial query.
,SUM(ISNULL(R.BOOKD,0)) BOOKD
,SUM(ISNULL(R.NET,0)) NET
Any suggestions would be greatly appreciated.
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May 13, 2008
Hi, all.
I am trying to create table with following SQL script:
Code Snippet
create table Projects(
ID smallint identity (0, 1) constraint PK_Projects primary key,
Name nvarchar (255) constraint NN_Prj_Name not null,
Creator nvarchar (255),
CreateDate datetime
);
When I execute this script I get following error message:
Error source: SQL Server Compact ADO.NET Data Provider
Error message: Named Constraint is not supported for this type of constraint. [ Constraint Name = NN_Prj_Name ]
I looked in the SQL Server Books Online and saw following:
CREATE TABLE (SQL Server Compact)
...
< column_constraint > ::= [ CONSTRAINT constraint_name ] { [ NULL | NOT NULL ] | [ PRIMARY KEY | UNIQUE ] | REFERENCES ref_table [ ( ref_column ) ] [ ON DELETE { CASCADE | NO ACTION } ] [ ON UPDATE { CASCADE | NO ACTION } ]
As I understand according to documentation named constraints should be supported, however error message says opposite. I can rephrase SQL script by removing named constraint.
Code Snippet
create table Projects(
ID smallint identity (0, 1) constraint PK_Projects primary key,
Name nvarchar (255) not null,
Creator nvarchar (255),
CreateDate datetime
);
This script executes correctly, however I want named constraints and this does not satisfy me.
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Aug 3, 2007
I am working on a project to upgrade our current server farm form SQL 2000 to 2005. To do this we have some jobs running that insert data into tables on a 2005 system from a 2000 system. I have noticed that there is a bug between 2000 and 2005 with a REAL data type.
The problem stems from how SQL handles the data when it is being transferred via INSERT statement.
If I copy the value between SQL2000 servers there is no error.
If I copy the value between SQL2000 and SQL2005, I receive this error
Msg 7339, Level 16, State 1, Procedure mf_Update_mfwebperf, Line 17
OLE DB provider 'SQLNCLI' for linked server 'MFWeb' returned invalid data for column '[MFWeb].[mfdb].[dbo].[mfwebperf].ShRFund3Yr'.
If I convert the data type to a float on 2005 (which I know can handle the value coming form 2000) I receive the same error.
The only work around is to convert the data type on both the SQL 2000 and 2005 to use floats.
Question is why can€™t I insert a REAL value into a FLOAT across two systems, especially when I know that on the destination system has a greater precision?
Data type
[RSqFund3Yr] [real] NULL,
Data Value
[RSqFund3Yr] Value
1.821688E-44
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Feb 8, 2007
Error 3 Error loading MLS_AZ_PHX.dtsx: The result of the expression ""C:\sql_working_directory\MLS\AZ\Phoenix\Docs\Armls_Schema Updated 020107.xls"" on property "ConnectionString" cannot be written to the property. The expression was evaluated, but cannot be set on the property. c:documents and settingsviewmastermy documentsvisual studio 2005projectsm l sMLS_AZ_PHX.dtsx 1 1
"C:\sql_working_directory\MLS\AZ\Phoenix\Docs\Armls_Schema Updated 020107.xls"
Directly using C:sql_working_directoryMLSAZPhoenixDocsArmls_Schema Updated 020107.xls
as connectionString works
However - I'm trying to deploy the package - and trying to use expression:
@[User::DIR_WORKING] + "\Docs\Armls_Schema Updated 020107.xls"
which causes the same error to occur
(Same error with other Excel source also:
Error 5 Error loading MLS_AZ_PHX.dtsx: The result of the expression "@[User::DIR_WORKING] + "\Docs\Armls_SchoolCodesJuly06.xls"" on property "ConnectionString" cannot be written to the property. The expression was evaluated, but cannot be set on the property. c:documents and settingsviewmastermy documentsvisual studio 2005projectsm l sMLS_AZ_PHX.dtsx 1 1
)
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Mar 1, 2006
I have SQL Server 2000 Developer Edition on my laptop which I want to remain for work development purposes (my work uses SQL Server 2000). However, I'm developing a .NET application which requires a database back-end.
Can I install SQL Server 2005 Express Edition alongside SQL Server 2000? Or does 2005 overwrite 2000?
If no to the first question then how do I develop the system/database in SQL Server 2000 but delpoy it to the user using 2005 Express Edition?
Thanks.
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Oct 28, 2015
I have created 1 report with 2 datasets. This report is attached to the 1st dataset.For example,1st one is "Smallappliances", 2nd is "Largeappliances".
I created a tablix and, the 1st column extracts Total sales per Sales person between 2 dates from 1st dataset (Small appliances). I used running values expression and it works fine.
Now, I would like to add another column that extracts Total sales per sales person between 2 dates from 2nd dataset (Large appliances). I am aware that I need to use Lookup expression and it is giving me the single sales value rather than the total sales values. So, I wanted to use RunningValue expression within lookup table to get total sales for large appliances.
This is the lookup expression that I added for the 2nd column.
=Lookup(Fields!salesperson.Value,Fields!sales_person.Value,RunningValue(Fields!sales_amount.Value,
sum, " sales_person"),
"Largeappliances").
I get this error when I preview the report.An error occurred during local report processing.The definition of the report is invalid.An unexpected error occurred in report processing.
(processing): (SortExpression ++ m_context.ExpressionType)
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Oct 3, 2006
How to Protect From SQL Injection in ASP.NET and SQL 2005 for custom query expression?In my project, I allow user to custom query expression through UI, such asstring queryCondition=' sale>20 and sale <100'string queryCondition=' createDate>"10/10/2005"'string queryCondition='Fullname like "%Paul%" '...I construct SQL based the queryCondition string, such as string mysql='select * from mytable where '+queryConditionI know it's very dangerous because of SQL Injection, but it's very convenient for user to custom query expressionCould you tell me how to do? many thanks!
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May 13, 2008
We are using SQL CE 3.5 on tablet PCs, that synchs with our host SQL 2005 Server using Microsoft Synchronization Services. On the tablets, when inserting a record, we get the following error:
A duplicate value cannot be inserted into a unique index. [ Table name = refRegTitle,Constraint name = PK_refRegTitle
But the only PK on this table is RegTitleID.
The table structure is:
[RegTitleID] [int] IDENTITY(1,1) NOT NULL,
[RegTitleNumber] [int] NOT NULL,
[RegTitleDescription] [varchar](200) NOT NULL,
[FacilityTypeID] [int] NOT NULL,
[Active] [bit] NOT NULL,
The problem occurs when a Title Number is inserted and a record with that number already exists. There is no unique constraint on Title Number.
Has anyone else experienced this?
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Feb 29, 2008
Thanks in advanace for taking the time to read this post.
I am using MSSQL 2005 and have created a function that allows me to use regular expressions in my SQL queries.
My question is I have a pattern buried in a field of misc data that I need to pull out just that pattern and discard the rest of the data. Here is the Regular Expression I am using
select field1 from table1
where dbo.RegExMatch (field1,'[a-zA-Z]{4}[0-9]{6}[a-zA-Z]{2,4}')=1
This returns all values in the field that match the expression. What I want to do now is remove all data from the field on the left and right of the expression that does not match the expression. How would I accomplish this without reading through the 200k+ records and writing rules for every exception I run across?
so I could have Gar b/a ge 'THE GOOD DATA' m/or1 ba4d da....ta. All I want to do is return 'THE GOOD DATA'
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Nov 24, 2006
In my Projecti want to check the date at the time of insert in A-Tablethat it should be Greater than (>) Date Defined in B-TableNote:-B-table have only one record so plz tell me how can i do using Sql-Server Backend only
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Aug 17, 2006
SQL CE 3.0
I am trying to add constraints using SQL statements but get an error saying that the constraint would cause a cyclical reference. The same statements work with SSCE 2.0
Eg
CREATE TABLE A(pkA integer NOT NULL CONSTRAINT pkAx PRIMARY KEY);
CREATE TABLE B(pkB integer NOT NULL CONSTRAINT pkBx PRIMARY KEY,
pkA integer NOT NULL,
CONSTRAINT fkBA FOREIGN KEY (pkA) REFERENCES A(pkA) ON DELETE CASCADE ON UPDATE CASCADE);
CREATE TABLE C(pkA integer NOT NULL, pkB integer NOT NULL,
CONSTRAINT fkCA FOREIGN KEY (pkA) REFERENCES A(pkA) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT fkCB FOREIGN KEY (pkB) REFERENCES B(pkB) ON DELETE CASCADE ON UPDATE CASCADE);
I dont see that the foreign keys should cause a cyclical reference problem.
I have also tried not having the ON UPDATE DELETE on one of the Constraints on Table 3.
Any ideas anyone would be appreciated.
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Oct 26, 2005
Hi guys,
I have this problem. I want to add a new primary key to a table but i want the name of the contstraint to be generated by the system. I have this TSQL code.
ALTER TABLE TableTest
ADD CONSTRAINT PRIMARY KEY (C1)
Reading the BOL, it says that if you don't supply a name for the constraint it generates one. But I get this error "Incorrect syntax near the keyword 'PRIMARY'".
If I add a name to the constraint, it works fine.
I'm using SQL Server 2000
Thanks
Darkneon
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Jan 15, 2008
i just got an error in my application when i tried to do an insert stating that there was a "unique key constraint".
I have the database open with sql server management studio and i need to find out how to view the constraints?
How do i navigate to see the constraints on a table?
Thanks
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Oct 27, 2007
If there are two different transactions, both of which update the username column to 'xyz' for userid = 234 in 'Users' table. This is a unique value for username. Ater this update each transaction adds a row to 'AppLog' table. The transaction is only committed after second operation.
The 'username' column has a unique constraint on it.
If transaction isolation level is 'read committed', and both transaction execute the first operation when neither of the transactions have been committed, then the transaction that calls COMMIT later will error out or not? If COMMIT does not check constraints then it will NOT error out. As a result we will have a violation of unique constraint happening without any error being thrown by SQL Server.
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May 25, 2015
I have groups of records in a table, and I would like to set a necessary condition on each group. The condition is that EXACTLY ONE of the records in each group has a flag field set to True (bit = 1). I can naturally write triggers for update, insert and delete events that test for such a condition.
Something along the lines of this condition:
(select count(ClovekAutoID)
from TableOfClovekNames tCN
where JeHlavni = 1
group by ClovekAutoID
having COUNT(JeHlavni ) > 1) = 1In fact,
I tried this just on whim, but naturally, the SS engine told me to go roll my hoop, that subqueries are not allowed in constraint expressions.
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Oct 27, 2015
We have a domain joined SQL 2008 R2 server performing a snapshot database replication to a non-domain joined SQL 2008 R2 server. The snapshot replication is working with one exception. Under one of the tables, there is a Key, Constraint and Index that are part of the database. The Key and Indexes is copying over. However, the constraint is not. Why would the Key and Index copy but not the Constraint?
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Jul 23, 2005
Hi,How to add a foreign key constraint using the SQL server 2000enterprise manager?Not by SQL.thanks
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Aug 6, 2007
I have created a simple package to load an Excel Spreadsheet into a SQL Server table. There is a one to one relationship between the columns in the .xls file and the columns in the DB record. I am getting integrity constraint errors when I try to load all numeric data from the spreadsheet (defined as Category General in excel, not defined as numeric but consisting of all numeric characters) into a column defined as (nvarchar(20), not null) in SQL Server Management Studio. There are no constraints on the column.
I have been able to temporarily bypass the offending rows, but I do need to load them into SQL Server. The problem column has a mixture of data, two examples would be: N255, 168050. It's the 168050 value that's causing the Task to bomb. How can I get this loaded into my table ?
I am running the package from within MS Visual Studio 2005 Version 8, Excel is version 2003 (11.8120.8122) SP2
Thanks,
Chris
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Jun 2, 2014
Why we the Unique Constraint doesn't allow the multiple null values in Sql Server?
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Aug 25, 2006
I have to use the Case expression in my query, so I search arround the web and got the following: SELECT title, price, Budget = CASE price WHEN price > 20.00 THEN 'Expensive' WHEN price BETWEEN 10.00 AND 19.99 THEN 'Moderate' WHEN price < 10.00 THEN 'Inexpensive' ELSE 'Unknown' END,FROM titles It should run OK base on my research in the internet. But my SQL Server gave me error: syntax error arround '>'.I did several search and many people can use the ">" sign or "<" sign in the Case expression, but I just can't use it in my SQL Server, I can't even use any boolean expression, I can only use values.can anyone help me out? My SQL Server Version is SQL Server 2000 Sevice Pack 4.Thanks!
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Apr 16, 2015
I have been trying to calculate age and the results either round the age up one year or down one year. I have tried CASE, DATEDIFF, FLOOR functions but nothing works.
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Oct 27, 2015
We are on SQL 2014...we have a bunch of views in a database where we are trying to find the views which have more than 16 columns max for unique index/constraint...this is needed so we can convert them to indexed views...
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May 22, 2014
I have created a variable in a SQL Task and assigned it to a string variable. When I debug the container with a breakpoint, I can see the correct date value being assigned to the variable.
I have an ADO Net source setup to an Oracle connection. I need to pull the Oracle data down that has an updated date greater than the updated date in my ODS.
My issue is that the variable is not being passed through to my expression that I use for an ADO Net source.
"SELECT * FROM BI_EDW.GL_JE_HEADERS WHERE LAST_UPDATE_DATE > To_Date('" + (DT_WSTR, 19) @[User::varLastUpdateDate] + "','yyyy-mm-dd hh24:mi:ss')"
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