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Primary Foreign Key
Defining Foreign Keys
Referential Integrity
Relational Constructs Conclusion
Normal Forms
Reduce Data Redundancy
Normalization Defined
Normalization Objective
Normalization Process - Quiz
First Normal Form
Achieving First Normal
First NF Limitations
Second Normal Form
Define Functional Dependencies
Identify Functional Dependencies
Achieving 2nd Normal Form
Second NF Limitations
DB Normalization Conclusion
Normalization - Quiz
Third Normal Form
2NF Limitations
Transitive Dependencies
Eliminate Dependencies
1st, 2nd, 3rd NF
Achieve 3rd Normal Form
Codds Twelve Criteria
(BCNF) Four Important Rules
Beyond 3rd Normal Form
Boyce Codd Normal Form
Denormalizing Tables
3rd Normal Form
Joins, User Views
SQL Joining Tables
SQL Inner Join
Table Join Explanation
Create Equi Join
Business Requirements
Store View Definitions
Creating SQL Views
Permissions Design Role
Requirements Analysis
Table Joins User Views
Physical Design
Physical DB Design
Create index SQL
Drawbacks Field Indexing
Database Clustering
Data Clustering Trade-off
Database Partitioning
Horizontal Partition
Drawbacks Horizontal Partitioning
DB Vertical Partitioning
Drawbacks Vertical Partitioning
Create DB via SQL
Create Table via SQL
Use SQL to Build DB
Data Dictionary Entries
Data Dictionary
Physical Design Conclusion
DB Design Mistakes
Common Mistakes
DB Design Considerations
Business Objects Rules
Database Column Mistakes
Database Key Constraints
Primary Foreign Key Mistakes
Referential Integrity
International DB Mistakes
Eval Relational DB
Design Mistakes Conclusion
Key Columns and Primary Keys - Quiz
Each question is worth one point. Select the best answer for each question.
1.
A concatenated primary key is made up of what?
Please select the best answer.
A.
A single column that occurs in many relations
B.
Multiple columns that occur in many relations
C.
Multiple columns from a single relation
D.
A single column from a single relation
2.
A candidate-key field qualifies as a primary-key column if it meets what three conditions?
Please select all the correct answers.
A.
The field cannot have a value of zero.
B.
Values in the column cannot change.
C.
Every record must have a unique value for the column.
D.
The field cannot contain a null value.
3.
When creating a primary-key column, you should use fields containing what type of values?
Please select all the correct answers.
A.
Unique values for every record
B.
Values that are unlikely to change
C.
Values that are not null
D.
Values that contain meaningful information