What are the stages of database life cycle?

The five stages in the database life cycle are:

• Requirements analysis.
• Logical design.
• Physical design.
• Implementation.
• Monitoring, modification, and maintenance.

What is database life cycle management?

Database lifecycle management (DLM) is a policy-based approach to managing databases and data assets. DLM is not a product but a comprehensive approach to managing the database schema, data, and metadata for a database application.

In which order the following phases of database design executed?

Step 1 – Selecting the DBMS For Building the Database. Step 2 – Creating Physical Data Model. Step 3 – Developing the Database With DBMS. Step 4 – Database Testing And Validation.

What is the first step of design a database?

The first step is requirements gathering. During this step, the database designers have to interview the customers (database users) to understand the proposed system and obtain and document the data and functional requirements.

In which order are the following phases of database design executed?

Which is the first step in the database development process?

What are the levels of data in database?

Summary. There are mainly three levels of data abstraction: Internal Level, Conceptual or Logical Level or External or View level. The internal schema defines the physical storage structure of the database. The conceptual schema describes the Database structure of the whole database for the community of users.

What are the stages of database development?

Planning. The planning phase begins when a customer requests to develop a database project.

Requirement Analysis. Requirement analysis is done in order to understand a problem,which is not solved.

Design. The design is the major phase of database development process.

DBMS Selection.

Implementation.

Maintenance.

What are the stages in database design life cycle?

Analysis. In the first phase,the current system’s operation is analysed and problems are defined. Here the objectives are also defined.

Database Design

Implementation. Design specifications are implemented here.

Operation. Now the database is operational.

Maintenance. DBA performs maintenance that includes backup and recovery.

What are the phases of the development life cycle?

There are four phases in the systems development life cycle. Planning and investigation, analysis, design and implementation, including following-up and maintenance.

What are the three phases of database design?

Database design is made up of three main phases, namely conceptual, logical, and physical design. Conceptual database design – to build the conceptual representation of. the database,which includes identification of the important entities, relationships, and attributes.