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Data Models in DBMS are classified into ______ categories
Which of the following is example of Object based logical model ?
Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects
Object which is distinguishable from other objects by specific set of attributes is called as ___________
Association among several entities is called as _____________
______________ express the number of entities to which another entity can be associated via a relationship set
In Object Oriented Model values are stored into __________ variables
Collection of tables to represent both data and relationship is described by _____________
Ability to modify schema of database in one level without affecting the schema definition in higher level is called as __________
There are _________ levels of data independence
Physical Data Independence is ability to modify _____________ without causing application program to rewrite
Logical Data independence is ability to modify ____________ without causing application program to rewrite
In enterprise data modeling, which is incorrect?
Which is not a relevant feature of CASE tools?
CASE tools do not include which of the following features?
The three-schema components include all, but:
Which is not a type of data management technology?
Which of the following database activities determines the entities, attributes, and relationships of data?
Which of the following database activities require a specific knowledge of a DBMS?
Which of the following database activities allow for the actual retrieval and use of a database?
total questions: 181

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