Data Quality and Data Profiling
David Loshin describes the benefits of the combination of the bottom-up aspects of data profiling with a top-down analysis phase for establishing criteria for data quality management.
2009-01-01
2,313 reads
Additional Articles
Temporal Datatypes in SQL Server
In the first of a series of articles on the tricks of tackling temporal data in SQL, Joe Celko discusses SQL's temporal data types and agonizes over the fact that, although there are ANSI/ISO Standards for temporal operations in SQL, every vendor has something different.
2008-12-31
1,141 reads
Using Page Level Restore as a Disaster Recovery Procedure in SQL Server 2005
In a previous tip on Disaster Recovery Procedures in SQL Server 2005 Part 1, we have seen how we can come up with a disaster recovery procedure in SQL Server 2005. There are other ways to increase availability of your highly critical database in SQL Server 2005. What are those other options?
2008-12-31
2,725 reads
Database conversion between the most popular DBMSs
Today many companies determine to publish their data on the Internet trying to expand their business and make their information more accessible. The IT industry proposes a wide range of original solutions for resolving data inconsistency problems that publishers inescapably face when exporting their data as they need to properly access, process and interchange large amounts of information mainly through the web.
2008-12-30
2,236 reads
Proxy Accounts in SQL Server
Yan Pan explains how to set up proxies in SQL Server 2000, 2005 and 2008, and compares the differences between them
2008-12-30
4,305 reads
Calculations Made Outside of the Data Warehouse
At first glance, a client appeared to be violating a cardinal rule of data warehousing. However, Bill Inmon's further investigation revealed that perhaps their actions were acceptable.
2008-12-29
2,789 reads
Using OPENROWSET to read large files into SQL Server
OPENROWSET is a T-SQL function that allows for reading data from many sources including using the SQL Server’s BULK import capability.
2008-12-29
6,687 reads
Finding a better candidate for your clustered indexes
When creating tables it is difficult to determine exactly how the data will be accessed. Therefore when clustered indexes are chosen they are often just the ID column that makes the row unique. This may be a good choice, but once the application has been used and data access statistics are available you may need to go back and make some adjustments to your tables to ensure your clustered indexes are providing a benefit and not a drain on your applications.
2008-12-26
3,880 reads
Peer-to-Peer Replication in SQL Server 2008
This article describes the new Peer-to-Peer replication features in SQL Server 2008
2008-12-26
2,534 reads
How To Get the List of Files from an FTP Server in SQL Server Integration Services (SSIS) 2005
We use the FTP task in SSIS to process a number of files from an FTP server. We would like to implement a step in our SSIS packages that would retrieve the list of files that are available on the FTP server before we try to process them.
2008-12-24
4,073 reads
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DML Trigger Types
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