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elzaiem
Starting Member
10 Posts |
 Posted - 2008-04-30 : 01:18:24
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 Hi, I am new in the team . I have just finished designing accounting system. The customer is looking forward to have a shadow database that traces all the transactions, modifications of vouchers done by users. Is there white papers or articles that can direct me for best performance. |
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tkizer
Almighty SQL Goddess
38200 Posts |
Posted - 2008-04-30 : 12:52:44
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| What do you mean by shadow database? Are you referring to replication? Or an audit trail?Tara KizerMicrosoft MVP for Windows Server System - SQL Serverhttp://weblogs.sqlteam.com/tarad/Database maintenance routines:http://weblogs.sqlteam.com/tarad/archive/2004/07/02/1705.aspx |
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elzaiem
Starting Member
10 Posts |
Posted - 2008-04-30 : 23:44:07
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| I mean audit trail database that I can trace the history of the voucher and its amendments. Also, I need the DB to trace the user history. ...Many thanks. |
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spirit1
Cybernetic Yak Master
11752 Posts |
Posted - 2008-05-01 : 08:17:24
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| so what you're saying is that you need a single database to store all your auditing? if not you just need triggers on your tables that write changed data into your audit tables in the same database.could you explain in greater detail exactly what you want to do? because the solution depends on the exacty requirement._______________________________________________Causing trouble since 1980blog: http://weblogs.sqlteam.com/mladenpSSMS Add-in that does a few things: www.ssmstoolspack.com |
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elzaiem
Starting Member
10 Posts |
Posted - 2008-05-01 : 14:26:50
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| Let me explain what I need exactly. I have Sql accounting database. In the database I want to trace the insertion and amendment of the records in tables. Let's take a journal voucher as an example. The voucher contains two tables the main JV table (Master) and the details JV table (slave). When a user inserts a new record in JV another database should record the user Name, Time and the record inserted. Once another user amends the same record later a copy of the new look of the record should be inserted into the (shadow database) , the user and the time the action took Place. Eventually, I will be having a database the is running the accounting system and another database (I called it shadow database) that registers all the transactions on the vouchers. Also I want to be able to trace the behavior of any particular user on the database. Many Thanks again |
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tkizer
Almighty SQL Goddess
38200 Posts |
Posted - 2008-05-01 : 14:28:16
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| You can use triggers to achieve this.Tara KizerMicrosoft MVP for Windows Server System - SQL Serverhttp://weblogs.sqlteam.com/tarad/Database maintenance routines:http://weblogs.sqlteam.com/tarad/archive/2004/07/02/1705.aspx |
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Lumbago
Norsk Yak Master
3271 Posts |
Posted - 2008-05-02 : 04:19:45
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| This is pretty basic data warehouse theory, and depending on the size of your accounting system I would probably recomend using a third party ETL-tool (extract, transform, load) like Informatica PowerMart or Business Objects Data Integrator. But if the system isn't too big triggers could also do the trick but it could get messy after a while. In my opinion triggers should be avoided unless you use them for keeping a "last-modified"-column up to date or keeping track of DDL-operations (DDL-triggers).--Lumbago |
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Shadow Database