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PHYSICAL DBMS ARCHITECTURE
The physical architecture defines the software components used to process and enter data, and how these software components are related and interconnected. Though it is not possible to simplify the component structure of a DBMS, it is possible to recognize a number of key functions which are similar to most database management systems. The components that normally execute these functions are shown in Figure , which depicts the physical architecture of a typical DBMS.
Figure: DBMS Structure
Based on many functions, the database system may be partitioned into the following modules. Some functions (for example, file systems) may be given by the operating system.
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
What do you understand by transitive dependencies? Define with an example any two problems that can take place in the database if transitive dependencies are available in the datab
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
The functions of DBA ?
What is relationship instance ? Relationship Instance - A relationship is a relation between two or more entities. An instance of relationship set is a set of relationships.
With the help of a diagram defines the typical element modules of a DBMS? The functional elements of a database system can be widely divided into: 1) Storage manager and 2) q
State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
in case of functional dependencies how we get the higher normal form.
Define the five basic operators of relational algebra? Five basic operators of relational algebra are: 1. Union (∪∪∪∪) - Selects tuples which are in either P or Q or in both
What is assertion? Mention the forms available. An assertion is a predicate expressing a condition that we wish the database always to satisfy. Domain integrity constraints.
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