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Q.1 Briefly discuss the different layers of ANSI SPARC architecture.
Ans: The three layers of ANSI SPARC architecture are like this:
1. Internal view is at the lowest level of abstraction, closest to the physical storage method employed. It points out how the data will be stored and explains the data structures and access methods to be employed by the database. There is one internal view for the whole database.
2. Global or Conceptual View: At this level of abstraction all the database entities and the relationships between them are included. There is one conceptual view for the whole database.
3. External or User View: The external or user view is at the highest level of database abstraction in which just only those portions of the database concern to a user or application programme are involved. Some external or user views may exist for a specified global or conceptual view.
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
Project Description: I want to build a card playing Website. The user should be able to 1. Login. 2. Have profile access. 3. Put money into the site. 4. Selects t
Provide Examples of different types of Time and Date formats. It's most common store dates using a dash (-) as a colon (:)and the delimiter as the time delimiter. The given fo
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
Why 'AS' clause is used in SQL ? 'As' clause is used for Rename operation. ‘AS' clause is used in SQL for rename operation. (e.g., SELECT ENO AS EMPLOYEE_NO FROM EMP)
explain five responsibilities of DBA?
what is inverted and multilist structure
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
it can be possible to create any table without primary key
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