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What is DAG?
The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and permanent, of the class employee.
give some example real life situation where DBMS are most suitable
Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
Designing the fields in the data base The following are the considerations one has to remain in mind while designing the fields in the data base. Coding, compression, en
explain the steps for reduction of er model into relational model?
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
what is attribute is attribute inheritance in dbms?
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Describe log based recovery The most usably structure for recording data base modification is the LOG the log is a sequence of log records recording all the update activities i
Explain the Fundamental concepts of object-orientation Software developers, data base administrators (DBAs) need to be familiar with fundamental concepts of object-orientation.
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
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