Hey Guys,
I am preparing for MCSD certification and referring to Certification book
by
microsoft. But there are instances in book where information is incorrect
or
incomplete. So should I follow the book in that case??
eg:
here's what book specifies as criteria for first normal form. Three
Criterias:
• Tables must be two-dimensional and have data organized as columns and
rows. Entities specified in the logical data model are transformed into
database tables represented in a two-dimensional table, similar to a
spreadsheet.
• Each cell must contain one value.
• Each column must have a single meaning. For example, you cannot have
a
dual-purpose column such as Order Date/Delivery Date.
It doesnt talk about Repeating Groups....and that's what 1NF is all
about???
any suggestions???
Thanks
