1)Describe the two primary methods for integrating information across multiple databases?
-Have two primary methods firstly, backward integration. It takes information entered into a given system and sends it automatically to all upstream systems and processes. Secondly, forward integration. It takes information entered into a given system and sends it automatically to all downstream systems and process.
2)Describe the benefits of a data-driven Web site?
-Data-driven website have more advantages. Data-driven give more advantages from development,content management,future expandability,minimizing human error,cutting production and update costs,more efficent and lastly improved stability.
3)Define the fundamental concepts of the relational database model?
-The relational database model stores information in the form of logically related two-dimensional tables.Entities, attributes, primary keys, and foreign keys are all
fundamental concepts included in the relational database
model.
4)Evaluate the advantages of the relational database
model?
-The advantages of the relational database model including increased flexibility,increased scability and performance,reduced information redundancy,increased information integrity (quality) and lastly increased information security.
5)Compare operational integrity constraints and business-critical
integrity constraints?
-Operational integrity constraints are
rules that enforce basic and fundamental information-based
constraints.
Business-critical integrity constraints are rules that enforce
business rules vital to an organization’s success and often require more
insight and knowledge than operational integrity constraints
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