SQL Server And Integrity
Jan 23, 2004
Where should tests for data integrity be done, a few examples:
Inserting data but the underlying data has changed?
Adding data, say an order item row, but since going to that screen the order (and as a result all its order items as well) have been deleted?
It's just I'm starting to see even the simplest of stored procedures as being quite complicated. What puzzles me is a I see lots of INSERT stored procedures with none of this checking in, or returning error codes?
So are they badly done or am I missing somethign?
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Aug 30, 2006
Error information:
NativeError: 28549
HRESULT: -2147217873
Message: OrdersHeader,Delete,{0503BF00-BB05-11C6-8000-36BC4ADEE342}
Description: The row update or insert cannot be reapplied due to an integrity violation.
Server side: SQL Server 2000 or MSDE
Client side: SQL Server CE or SQL Mobile
This error is usually caused because of an error on the filters. But not in this case, i think.
I assume it's not a filter error because if I delete the SDF and run the sync it works.
The error occurs when I delete some rows in the server (parent(OrdersHeader) and child(OrderLines) tables) and the PocketPC stills have this rows.
On the next synchronization It seems that replication process tries to delete the OrdersHeader rows before the OrderLines rows.
Is there any way to control the synchronization updating order? Or Is there any know issue about this?
It doesn't occur always but it occurs often. And I still haven't found the way to replicate the error.
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Sep 19, 2014
In SQL Server 2012 (also 2005 and 2008), can you have Referential Integrity across a Database? Across a Schema?
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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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Nov 26, 2007
Hi Friends,
I am Ravi, I need a help.
My case is like.. i need to upload data from csv file into sql server 2005 data table.
but before that I need to check integrity of data
for example:
let us say csv data is like
ISD CODE,STATE,NAME,QUALIFICATION
91,AP,KIRAN,MCA
01,MC,MIKE,MS
here i have to check that, wether there is an entry in ISD codes table for 91 and 01 (india and us)
similarly AP , MC (Andhra Pradesh and MISSICippi)
please suggest me a nice approach, no of records in ISD codes and States will 350-450 records.
thanks in advance
Ravi K
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Feb 18, 2015
I am thinking about moving some backups from the local machine to a remote server. Right now, I am using Ola Hallengren script for backups. The script performs checksum on the backup while it's being written on the disk. I am going to move the files using Robocopy utility. How do I check the data integrity once the backups are transferred to the remote server?
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Mar 8, 2015
I've been running the Ola Hallengren maintenance script for the last five months without missing a beat. Today I find an error stating the UserDatabase Integrity check job failed last night. This is running on SQL Server 2014 BI edition w/64 Gigs.
I ran a DBCC CHECKDB on each database manually and all worked until I tried it on the biggest one that is about 18 gbs. It just keeps running and I eventually stopped it so I'm guessing it is memory, but doesn't make sense considering it has 64 gbs. I have it set to 64/4 max / min. Again, this was never an issue until last night.I've been looking up all morning, but not seeing much on this error "The operating system returned error 1453"?
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Apr 13, 2007
I installed SQL Server 2005 Enterprise, then SP1 and then SP2, Maintenance Plan worked. But if I installed SQL Server 2005 Enterprise and then SP2 directly (skipping SP1), the Check Database Integrity in Maintenance Plan was not working. The error message is as follows:
Executed as user: DomainSqlServiceAccount. Microsoft (R) SQL Server Execute Package Utility Version 9.00.3042.00 for 64-bit Copyright (C) Microsoft Corp 1984-2005. All rights reserved. Started: 10:56:21 AM Could not load package "Maintenance PlansTest Plan" because of error 0xC0014062. Description: The LoadFromSQLServer method has encountered OLE DB error code 0x80004005 (Login failed for user ''. The user is not associated with a trusted SQL Server connection.). The SQL statement that was issued has failed. Source: Started: 10:56:21 AM Finished: 10:56:21 AM Elapsed: 0.047 seconds. The package could not be loaded. The step failed.
Other tasks like Rebuild Index seem to be fine. SP2 is supposed to be inclusive. Does anyone have any ideas on why this is happening.
Thanks
E.G.
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Jul 6, 2014
Running Frequently Transaction logbackup during Integrinty check DB /optimization job will cause any issue /impact as duration will extend ...
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Mar 16, 2007
Using the new referential integrity constraints that will be made available, will it allow us to manually define the relationships between entities even if there is no true foreign key constraints setup in the database?
Lets say we deleted the FK_Orders_Customers in Northwind between orders and customers.
Or is this ability available now?
Thank for your time.
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Feb 21, 2008
Hi,
I am administering several SQL Servers running SQL Server 2005 SP2 Build 3042.
I have a common maintenance plan that runs on each of the servers. The maintenance plan runs
fine on all the servers except for one. On the one server the Database Integrity check fails with the following error:
Check Database integrity on Local server connection
Databases: <list of databases>
Include indexes
Task start: 2008-02-21T00:05:42.
Task end: 2008-02-21T00:05:46.
Failed0) Alter failed for Server €˜XYZ€™
I created a test maintenance plan to just do the integrity check and selected one database only and this also failed with the same error message. I ran this test maintenance plan and configured it for each of the databases in question and it failed each time.
If I run the DBCC manually against the databases they all report fine.
I read some of the post that talked about the €œAllow Updates€? being set incorrectly but that does not apply to my problem since my configured and run values are set to 0.
Does anyone know what the problem could be?
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Jul 5, 2004
I am not sure I need more integrity on my DB. My DDL are down below.
thanks
************************************************** *****
create table person(
personId int identity(1,1) primary key,
fName varchar(25) not null,
mI char(1) null,
lName varchar(25) not null
);
create table student(
studentId char(4) not null primary key,
personId int not null
);
alter table student
add constraint fk_person_student
foreign key (personId)
references person (personId)
;
create table instructor(
instructorId char(4) not null primary key,
instructorQual varchar(100) not null,
personId int not null
);
alter table instructor
add constraint fk_person_instructor
foreign key (personId)
references person (personId)
;
create table contract(
contractNum int identity(1,1) primary key,
contractDate smalldatetime not null,
tuition money not null,
studentId char(4) not null foreign key references student (studentId),
contactId int not null foreign key references contact (contactId)
);
create table contact(
contactId int not null primary key,
fName varchar(25) not null,
mI char(1) null,
lName varchar(25) not null,
street varchar(50) not null,
city varchar(25) not null,
state char(2) not null,
zip char(5) not null,
relationship varchar(25) not null,
phNum char(12) not null,
emailAdd varchar(50) null,
);
create table class(
classNum char(4) not null primary key,
className varchar(25) not null,
classDay char(3) not null,
classTime char(8) not null,
testNum char(5) not null
);
alter table class
add constraint fk_class_testnum
foreign key (testNum)
references test (testNum)
;
create table discount(
discountNum char(3) primary key,
discountDesc varchar(100) not null,
discountPer decimal(3,2) not null
);
create table test(
testNum char(5) primary key,
testName varchar(50) not null,
testDate smalldatetime not null,
testFee money not null,
);
create table studentClass(
studentId char(4) not null,
classNum char(4) not null,
pass char(1) not null
);
alter table studentClass
add constraint pk_studentclass primary key clustered (studentId, classNum)
;
alter table studentClass
add constraint fk_studentclass_studenttid
foreign key (studentId)
references student(studentId)
;
alter table studentClass
add constraint fk_studentclass_classnum
foreign key (classNum)
references class(classNum)
;
create table contractDiscount(
contractNum int not null,
discountNum char(3) not null
);
alter table contractDiscount
add constraint pk_contractdiscount primary key clustered (contractNum, discountNum)
;
alter table contractDiscount
add constraint fk_contractdiscount_contractnum
foreign key (contractNum)
references contract(contractNum)
;
alter table contractDiscount
add constraint fk_contractdiscount_discountnum
foreign key (discountNum)
references discount(discountNum)
;
create table instructorClass(
instructorId char(4) not null,
classNum char(4) not null,
);
alter table instructorClass
add constraint pk_instructorclass primary key clustered (instructorId, classNum)
;
alter table instructorClass
add constraint fk_instructorclass_instructorid
foreign key (instructorId)
references instructor(instructorId)
;
alter table instructorClass
add constraint fk_instructorclass_classnum
foreign key (classnum)
references class(classnum)
;
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Jun 8, 2007
Hi all,
Is there any way to check the integrity of .Mdf file before attaching it to a database means to check whether its valid (or) not.
Thanks.
//Najeed
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Aug 11, 2001
Question:
What is used to enforce referential integrity ?
Answer: Triggers; Foriegn Keys.
what is Foreign Keys ?
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Oct 17, 2001
How do you enforce referential integrity in SQL between tables?
Thanks.
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Jun 12, 2000
I having a problem importing a text file into an existing table using the DTS import wizard. The problem I am having is, I am getting an error message stating: Integrity violation: attempt to insert null data or data which violates constraints. The column the error is referenced to is an identity field and I am not trying to insert any data into the field. I have the allow insert identity box checked in the transformation section. Does anyone know about how to solve this problem.
Thanks
James
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Aug 21, 2002
On weekends I have Integrity Checks scheduled to run. Many of these fail for individual databases because users do not log off and the databases cannot be switched to single user mode.
I have checked Books-on-line and have not yet stumbled onto a TSQL command that breaks the connections.
Is there a TSQL command to do this? If not, how can these connections be broken?
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Feb 26, 2008
I used to work with little databases and throw everything into a table with no relation, and modify them all individually. Now I've learned about referential integrity, makes things a lot easier.
My question is, now what? Say I have a Customers table and an Orders table (to keep it simple). If custID is the primary key in customers, foreign key in orders, then if I want to insert into Orders, I need the custID. So those kinds of things I need to keep stored in a session state and insert them like that, correct?
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Sep 6, 2004
Hi folks,
I created a job to check the integrity of my databases every week using SQL Server Maintenance Plan Wizard.
The job is failing every time...
For tb_basico database it works fine, but with the other one (tb_cep) it doesn't work...
Does someone have an idea to solve this problem?
The message is:
[1] Database tb_basico: Check Data and Index Linkage...
** Execution Time: 0 hrs, 0 mins, 11 secs **
[Microsoft SQL-DMO (ODBC SQLState: 42000)] Error 5070: [Microsoft][ODBC SQL Server Driver][SQL Server]Database state cannot be changed while other users are using the database 'tb_cep'
[Microsoft][ODBC SQL Server Driver][SQL Server]ALTER DATABASE statement failed.
[Microsoft][ODBC SQL Server Driver][SQL Server]sp_dboption command failed.
[2] Database tb_cep: Check Data and Index Linkage...
[Microsoft SQL-DMO (ODBC SQLState: 42000)] Error 7919: [Microsoft][ODBC SQL Server Driver][SQL Server]Repair statement not processed. Database needs to be in single user mode.
The following errors were found:
[Microsoft][ODBC SQL Server Driver][SQL Server]Repair statement not processed. Database needs to be in single user mode.
** Execution Time: 0 hrs, 0 mins, 1 secs **
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Oct 26, 2004
Hi guys,
Is there a way of finding the foreign keys for a table and therefore determine weather any referential integrity rules would be broken if a record was deleted?
For example. You have an author you want to delete, but that author has books. You call a procedure to delete the author. The stored procedure checks the foriegn keys, checks the tables and determines what is in them and if any tables have records that would be "orphaned" you return an error reporting what tables have the "would be orphaned" data in them.
It need to be fairly generic int he manner that it checks the foreign keys and the sub table data.
This is on behalf of a guy at work so "requirements" may change. ;)
Anyone got some ideas??
Cheers,
Shaun
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Feb 1, 2008
hi guys,
i was asked to drop some tables...but before dropping i was asked to check for referential integrity..
so where and how can i check this referential integrity????
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Dec 23, 2005
Hihow to set the referential integrity between 2 tables using enterprisemanager (microsoft SQL SERVER).. i tried and the tab doesn't allow meto choose. pls.help.thankssree--chavasreedharMessage posted via http://www.exforsys.com for all your training needs.
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Jul 20, 2005
Hi,What methods can we use to check the integrity problems? Some records in mydatabase are having Foreign Keys but the database doesn't have any relatedrecords with required Primary Keys. I need to scan the whole database anddelete (maybe with backup, maybe not) all wrong records.Who can I do that? Is it need to write my own application to do that or wehave some standard way to fix these problems? I'm not a databaseadministrator and don't know these ways (yet). Can somebody help me withadvice?Thanks.Dmitri Shvetsov
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Aug 10, 2006
How can I make sure that a couple of commands are either all executed on the database or none of them. For example right now I have an insert, update and delete command. I'm calling each of them with a SqlCommand. So I am afraid that that one of them might be executed, then there's a bad connection and the other two are not. How can I prevent this so that only all commands or nothing is executed on the database?
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Apr 21, 2003
I have a few databases on this Windows 2000 Server running
SQL 2000 which were detached from SQL 7.0 and attached to
SQL 2000.
The problem is the Maintenance Plans (Integrity Checks
keep failing on SQL 2000. I 'DTS'ed a SQL 7.0 database to
this SQL 2000 server and ran the Maintenance Plans on that
database. Works fine only for the DTS'ed database.
What am I missing ???
:confused:
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Nov 10, 1998
I'm not sure about the way you enforce the referential integrity in a SQL server 6.5 database (I'm new to this environment). Does any one have an exemple. The doc I have is useless...Thanks
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Jul 29, 2004
Hello, I had a DB Maintenance plan, the schedule is every day, but today I found teh 'Integrity checks job is failed". What is that mean? How to check this. Thanks.
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May 10, 2006
Activity: Check Data and Index Linkage
Error Number: 3624
Severity: 20
State: 1
The errorlog has this:
SQL Server Assertion: File: <p:sqltdbmsstorengdrsinclude
ecord.inl>, line=1447
Failed Assertion = 'm_SizeRec > 0 && m_SizeRec <= MAXDATAROW'.
There is a dump file generated also.
I had run DBCC CHECKDB and no error is found.
Any help is appreciated.
Thanks
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May 7, 2007
Hi,
SQl Server 7
I have Daily User DB Integrity Checks job running daily
From past 2 days i am getting below error.
[Microsoft][ODBC SQL Server Driver][SQL Server]CHECKDB found 0 allocation errors and 35 consistency errors in table 'Prod_Hist' (object ID 2098106515).
[Microsoft][ODBC SQL Server Driver][SQL Server]CHECKDB found 0 allocation errors and 99 consistency errors in database 'Ucatalog'.
[Microsoft][ODBC SQL Server Driver][SQL Server]repair_allow_data_loss is the minimum repair level for the errors found by DBCC CHECKDB (Ucatalog repair_fast).
[Microsoft][ODBC SQL Server Driver][SQL Server]DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Please suggest..
Thanks in Advance
Adil
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Mar 24, 2008
Hi,
Let's say you have these 3 tables
--------------------------------------------------------------
use tempdb
go
create table TableMain (
RowID int primary key identity(1, 1)
, ItemTypeID tinyint NOT NULL
, Details varchar(200) NOT NULL
)
go
create table TableDetails (
DetailRowID int primary key identity(1, 1)
, RowID int NOT NULL
, ItemTypeID tinyint NOT NULL
, Details varchar(200) NOT NULL
)
go
create table ItemTypes (
ItemTypeID tinyint primary key identity(1, 1)
, Details varchar(50) NOT NULL
)
go
create unique nonclustered index IX_TableMain__ItemTypeID__RowID on TableMain (ItemTypeID, RowID)
go
alter table TableDetails
add constraint FK_TableDetails_TableMain__RowID__ItemTypeID foreign key (ItemTypeID, RowID) references TableMain(ItemTypeID, RowID);
go
alter table TableMain
add constraint FK_TableMain_ItemTypes__ItemTypeID foreign key (ItemTypeID) references ItemTypes(ItemTypeID);
go
/*
drop table TableDetails
drop table TableMain
drop table ItemTypes
*/
--------------------------------------------------------------
As you can see TableDetails references TableMain by ItemTypeID and RowID. TableMain also has a foreign key on ItemTypeID.
In this example although there is no references between TableDetails and ItemTypes on ItemTypeID field, referential integrity is still maintain because of the foreign key on TableMain (ItemTypeID, RowID)
So here is my question. Although referential integrity is maintain with this structure, would you guys still create a foreign key on TableDetails (ItemTypeID), i.e.:
alter table TableDetails
add constraint FK_TableDetails_ItemTypes__ItemTypeID foreign key (ItemTypeID) references ItemTypes(ItemTypeID);
go
There might not be any right or wrong, it might be a personal preference sort of thing. To me it seems performance wise it's better to not create this extra contraints since it doesn't add any additional integrity, on the other hand when looking at a DB schema this extra constraint might help understanding what's going on. Also perhaps it helps SQL Server in picking the right execution plan but that I am not sure.
Perhaps the solution is to create the constraint with a NOCHECK on it... is it?
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Jun 1, 2015
I have a database in the 3rd normalized form. There is a need to load rows into a child table. To avoid having to drop RI, an ALTER TABLE WITH NOCHECK is being used. I am looking for a way to verify the integrity after the load is complete. After the load an ALTER TABLE WITH CHECK will be executed. Can I used DBCC to verify, that no orphaned child rows were loaded? If so, which parms would I have to use with DBCC?
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Apr 21, 2008
What ate the method/techniques i can use for enforcing referential integrity, Without using foreign key constraints ?
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Feb 7, 2006
Hello,
I am fairly new to SQL, so I have a few questions that may sound odd. First of all, I am trying to restrict users to putting in a three character code as an id item, or their team abbreviation. Here is the table definition:
CREATE TABLE TEAMS{
city varchar(20) NOT NULL,
name varchar(20) NOT NULL,
id varchar(3) NOT NULL};
Here is my code for adding the constraint
ALTER TABLE TEAMS
ADD CONSTRAINT Chk_id CHECK (id = `[A-Z][A-Z][A-Z]`);
Here is the error that I get when trying to execute this statement:
Msg 547, Level 16, State 0, Line 1
ALTER TABLE statement conflicted with COLUMN CHECK constraint 'Chk_id'. The conflict occurred in database 'statbookdb', table 'cabateams', column 'id'.
I am using SQL 2005 EM if this makes any difference.
My other question is in regards to once the constraints have been put in. Is there a way to make SQL throw a message out when a user violates a constraint? Right now, I have a numerical constraint in and whenever I violate it, all that happens is a "This page cannot be displayed" error. It doesn't make sense if you can only do this on the front end, as I don't see the point in enforcing it on the backend if there is no way to notify the user.
Thank you all in advance!
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