Data Quality

What all things do you consider for designing a data quality solution? And what is the typical approach & steps

To give a full answer would probably take an article to write and could easily be a book - Kimball covers this in many of his books, often taking a couple of chapters to do this. There are also loads of articles on the web that would cover this.

In a forum like this you are more likely to get a response if you ask specific questions that can be answered in a couple of paragraphs.