Dbms1

What Is a DBMS? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why Study Databases?? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],?

Why Use a DBMS? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Data Models ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example: University Database ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Instance of Students Relation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Levels of Abstraction ,[object Object],[object Object],[object Object],[object Object],[object Object],Physical Schema Conceptual Schema External Schema 1 External Schema 3 External Schema 2

Data Independence ,[object Object],[object Object],[object Object],[object Object]

Data Independence ,[object Object]

Structure of a DBMS ,[object Object],[object Object],These layers must consider concurrency control and recovery Query Optimization and Execution Relational Operators Files and Access Methods Buffer Management Disk Space Management DB

Dbms1

Recomendados

Recomendados

Mais conteúdo relacionado

Mais procurados

Mais procurados (20)

Semelhante a Dbms1

Semelhante a Dbms1 (20)

Último

Último (20)

Dbms1

Notas do Editor