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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Create a new user : CREATE USER IDENTIFIED BY Example: //CREATE USER MCA12 IDENTIFIED BY W123 Grant: It is used to give database access permission to users. It is of
Draw an ER diagram for company''s database schema
What is data independence? Data Independence: Techniques which permit data to be changed without affecting the applications in which procedure it. There are two types of data
Explain the function of input controls. Identify four types of input control and explain the function of each. Provide an example of a data integrity error that could occur i
Design a gennalization and specialization hierarchy for an automobile sales company
Attributes that are directly kept in the data base. For example, 'Birth date' attribute of a person. Derived Attributes that are not stored directly but can be derived
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
WHAT IS DATABASE TECHNOLOGIES
Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
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