One source of insight into the inner workings of an organization that shouldn't be overlooked is its current database system. This includes getting copies of any paper and electronic files that are in use, to determine which specific data elements are cap
- [Narrator] One source of insight into the inner workings…of an organization, that shouldn't be overlooked…is their current database system.…This could be an actual computer database…that has been previously developed, but no longer meets…their needs for some reason, a series of spreadsheet files…or even file folders full of paper records.…You want to be able to get your hands on…as much of their current system as possible,…in order to see what works…and sometimes more importantly, what doesn't.…And while you want to be as thorough in your investigation…as possible, it's extremely important in this stage…to be highly conscious of the mission statement…that you just developed.…
After all, it's your guide for the database development…process and without it, it would be very easy…to get overwhelmed, right out of the gate.…So with the mission statement in mind, the first step is…to gather information on how the system currently collects…data, including getting copies of any paper…and electronic files that are in use.…
Adam Wilbert covers the basics of relational database design, regardless of whether you use Access, FileMaker, Open Office, or SQL Server. Learn how to prevent data anomalies, gather requirements to plan your design, and develop a conceptual data model—translating your ideas into components like tables, relationships, queries, and views. Plus, learn about logical design considerations that can help you construct a database that is easy to maintain.
- Identify the three rules of relations.
- Summarize the four stages of developing a relational database.
- Describe a strategy one might use to ensure a database remains flexible in terms of the questions a user can ask.
- Explain how to avoid scope creep.
- Recall the characteristics of a Lookup Table.
- Recognize situations in which denormalization would be beneficial.
- Understand the types of relationships modeled by junction tables.
- Define referential integrity.
Skill Level Beginner
1. Relational Database Basics
Relational structures3m 46s
2. Preventing Data Anomalies
3. Gathering Requirements
4. Developing the Conceptual Data Model
5. Normalizing Your Data
6. Logical Design Considerations
7. Developing the Physical Database
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