TAILIEUCHUNG - NORMALIZING AND DENORMALIZING DATA

In this section, you will learn to: Describe the Top-down and Bottom-up approach Describe data redundancy Describe the first, second, and third normal forms Describe the Boyce-Codd Normal Form (BCNF) Appreciate the need for denormalization | J Lesson 2B normalizing and denormalizing data Objectives In this section you will learn to 5 Describe the Top-down and Bottom-up approach Ỡ Describe data redundancy Ỡ Describe the first second and third normal forms Ỡ Describe the Boyce-Codd Normal Form BCNF 5 Appreciate the need for denormalization Relational Database Design Relational Database Design Normalizing and Denormalizing Data Objectives In this section you will learn to Describe the Top-down and Bottom-up approach Describe data redundancy Describe the first second and third normal forms Describe the Boyce-Codd Normal Form BCNF Appreciate the need for denormalization NIIT Normalizing and Denormalizing Data Lesson 2B Slide 1 of 18 Instructor Notes Lesson Overview The lesson introduces the top-down and bottom-up approaches of logical database design. This lesson also explains normalization as a technique to avoid data redundancy and covers the various normal forms. In addition this lesson explains denormalization as a technique for improving query performance. Relational Database Design .

• Cơ sở dữ liệu
• Giáo trình NIIT Quarter 2
• ngôn ngữ SQL
• tài liệu SQL
• cơ sở dữ liệu SQL
• SQL Server
• C Sharp
• ngôn ngữ C
• tài liệu C
• lập trình với C