I need it in 2 hours maximum please, if you can not send in 2 hours please do not accept.
1.

When constructing a database, two rules are followed by the database designer to ensure the integrity of keys. Describe each rule and discuss common violations.?

2. Describe the insert problem caused by a de-normalized design. ?

3. Explain entity integrity and referential integrity.  Give an example of each.

4.Explain the organization of data in relational databases in terms of tables, records (rows) and fields (columns). Give an example of a table and specify its fields. Which field(s) would you choose as the primary key of that table?

Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"