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Data Analysis
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Data Modeling
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Table Row Rules
Columns Entity Attributes
Calculate Domain Types
RDBMS Calculations
Database Null Values
Key Column Descriptors
Primary Key
Surrogate Keys
Concatenated Keys
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
Database Table Modeling - Quiz
Each question is worth one point. Select the best answer or answers for each question.
1.
To link two tables in a one-to-many relationship, you need:
Please select the best answer.
A.
The primary key of the "one" table as the primary key of the "many" table
B.
The primary key of the "one" table as a foreign key of the "many" table
C.
The primary key of the "many" table as a foreign key of the "one" table
D.
The primary key of the "one" table as a foreign key of the "many" table and the primary key of the "many" table as a foreign key of the "one" table
2.
Excluding different writing systems and alphabets, which of the following types of information may need to be accounted for when examining "international issues"?
Please select all the correct answers.
A.
Business names
B.
Addresses
C.
Phone numbers
D.
Postal codes
3.
The statement "There are no wrong databases, just useless ones," is best interpreted to mean:
Please select the best answer.
A.
A database that is not in 3NF will run too slowly to be useful.
B.
You should denormalize tables whenever possible.
C.
You can use views to derive whatever information is needed from a database.
D.
Regardless of design, a database must give its users useful information.