How to check a data has correctly copied from temp table into master table

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hi,

Iam using C# and Sql Server 2005 .
I have temp table from which all the data will be saved to master table.

I have to check whether all the data has copied from temp to master.
if not i have delete that particular data and reinsert again in master

i have written for one time checking.
But i don't think that's right way becoz for first time if data not properly inserted then i will compare and reinsert second time but after that also i need check for integrity

Pls help me how to solve this

Regards
Nirmala Saravanan

Posted 21-Apr-14 1:29am

Nirmala Devi Saravanan

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ZurdoDev 21-Apr-14 8:38am

I don't understand where you are stuck?

King Fisher 21-Apr-14 9:14am

What you have tried?

ALLAMI Said 21-Apr-14 12:24pm

can you add a peace of code to understand more where you're stuck

2 solutions

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CHill60 · Answer 1 · 2014-04-23T01:54:00

Once you have completed your insert, but before disposing of the temporary table you could try using something like

SQL

SELECT COUNT(*) FROM [temp_table] WHERE ComboKey NOT IN [master_table]

Where the ComboKey is some combination of key values that will uniquely identify the record you have tried to insert.

You are expecting a value of 0 to be returned. Any non-zero return indicates that you didn't insert everything.

Overall you might be better off using transactions ... have a look at SQL Server Transactions and Error Handling[^]

nandakishoreroyal · Answer 2 · 2014-04-23T01:32:00

Solution 1

before inserting in master table get the count of rows and keep it in a variable.

then in another variable keep the count of temparary table rows.

after inserting check the count of master table

before count+ temptablecount

you can verify ,
if didnt match delete the rows..

Posted 23-Apr-14 1:32am

nandakishoreroyal

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CHill60 23-Apr-14 7:44am

And what if this is a multi-user database?