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Explanation on Data Sharing?
What do you mean by DBMS? What is its need and what are its goals. Explain? OR Explain Data Base Management System? Sol. Database management system is a
What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu
What are two special events? The two special events are as "entry" and "exit". Any action which is marked as linked to entry event is executed whenever given state is entered v
why three level architecture had been developed/
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
what is cascading? what is rollback cascading? please explain in detail
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
for the following business rules . Identify all entities, attributes, relationships, primary keys, cardinalities and constraints where appropriate 3. (9) An art museum owns a larg
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