Entity and Relationship
Write about the term Attribute, Entity and Relationship?
Expert
a) An attribute is defined as a component of an entity and which helps to define the uniqueness of entity. In the relational databases, an attribute maps to the column.
b) An entity represents the chunk of information. Within the relational databases, an entity generally maps to the table.
c) The entities are related together using the relationships.
Give a brief introduction of the term critical column?
Assume when a session fails subsequent to loading of 10,000 records in to target. How can we load the records from 10001 the record when we run session next time?
Describe briefly perform recovery?
Specify the various types of Aggregation?
List out the different types of the data providers?
How to handle decimal places while importing a flatfile in informatica?
What are the causes of Monopoly? Explain in brief.
Should I use numerous devices to take benefit of Partitions in Sybase?
Explain how in a relation a supertype or subtype is mapped?
Briefly define and describe the term data constraints?
18,76,764
1953516 Asked
3,689
Active Tutors
1417549
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!