Answer Posted / umesh gujjar
An Entity-Relationship (E-R) diagram is a specialized
graphic that illustrates the interrelationships between
entities in a database.
ER diagrams often use symbols to represent three different
types of information.
1. Boxes are commonly used to represent entities.
2. Diamonds are normally used to represent relationships
and
3. Ovals are used to represent attributes.
Is This Answer Correct ? | 9 Yes | 1 No |
Post New Answer View All Answers
What view(s) do you use to associate a users SQLPLUS session with his o/s process?
Explain the use of parfile option in exp command.
How do you bind variables in oracle?
How to do a full database export?
I have a parent program and a child program. I want to write a statement in Exception Block of the parent program so that when the statement in the exception block is executed, the control goes to the next statement in the parent block bypassing the child block.How do i do that?
Explain about functional dependency and its relation with table design?
How to define an anonymous block?
How to start instance with a minimal initialization parameter file?
What are the oracle built-in data types?
What are the differences between blob and clob in oracle?
what is insert all statement in sql
How to put more than 1000 values into an oracle in clause?
What is a proxy class?
What is a relational database management system?
How to rollback the current transaction in oracle?