In the methodology of developing databases, the entity-relationship diagram results from the:
functional analysis
dynamic design
structural analysis
dynamic analysis
logical design
When organizing a database, the following aspects are considered:
organizing input data
organizing output data
organizing storing data
organizing the final processing
organizing programs
The effectiveness of a database can be assessed by:
the study of the flowchart of an organization
the study of initial costs
the calculation of return
relational calculus
relational algebra
In the methodology for developing a database, building a view is made in the:
external schema design
conceptual schema design
internal schema design
logical analysis
overall analysis
The objectives in achieving a database are:
the same data cannot be used in different ways
increasing the cost for data storage
retrieval requests should only be predetermined
database applications must be able to reuse already existing data
minimum redundancy, but uncontrolled
Types of user for the databases are:
small and medium enterprises
aggregates
intensives
end-users
specialists
In the methodology for database developing, the design phase contains:
choosing the DBMS
choosing the involved personnel
choosing real world entities
schemas design
In the methodology for database developing, the analytical activity is conducted under the following aspects:
static informational
structural
modular
object
functional
In order to achieve a database, choosing a DBMS takes into account the following aspects:
legislative requirements
application requirements
technical facilities of DBMS
universal programming languages
limits of users
