System catalog - PowerPoint PPT Presentation

Introduction to Database

1-50. Introduction to Database. CHAPTER 4 Advanced SQL. SQL Data Types and Schemas Integrity Constraints Authorization Embedded SQL Dynamic SQL Functions and Procedural Constructs** Recursive Queries** Advanced SQL Features**. 4.1 SQL Data Types and Schemas. Basic Data Types:

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Lecture 3

Lecture 3. The Relational DB Model. Learning Objectives. That the relational database model takes a logical view of data That the relational model’s basic components are entities, attributes, and relationships among entities How entities and their attributes are organized into tables

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