TAILIEUCHUNG - DATA MODELS

The lesson identifies the types of data models. This lesson also explains the entityrelationship model and the relational model. In addition, this lesson covers the operators that work on relations. | L Lesson 1B Data Models Objectives In this lesson you will learn to 5 Describe the types of data models 5 Create an entity-relationship model 5 List the types of relationships between entities 5 Define a Relational Database Management System RDBMS 5 Describe the operators that work on relations Relational Database Design Data Models Objectives In this section you will learn to Describe the types of data models Create an entity-relationship model List the types of relationships between entities Define a Relational Database Management System RDBMS Describe the operators that work on relations NIIT Data Models Lesson 2 Slide 1 of 14 Instructor Notes Lesson Overview The lesson identifies the types of data models. This lesson also explains the entityrelationship model and the relational model. In addition this lesson covers the operators that work on relations. Nirr Relational Database Design Data Models Pre-assessment Questions 1. The scope of the database is determined at which stage of the DDLC 2. Which DBMS user performs only basic operations on the database 3. Mary Peterson is designing a database system for IMC Inc. She has performed the activities involved in the first four stages of the DDLC. What activity does she need to perform at the implementation stage 4. Who performs the task of concurrency control in a DBMS 5. The three-level architecture of a DBMS helps achieve. NIIT Data Models Lesson 2 Slide 2 of 14 Relational Database .

• 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