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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
what are the limitations of dbms?
data models are being replaced over years. Reasons and why does that happen?
What is OLTP (Online Transaction Processing)? In OLTP - online transaction processing systems relational database design use the discipline of data modeling and generally follo
State about the Use Case Diagram A use case diagram represents a set of use cases, actors and their relationships. These diagrams shall be used to model context or requirement
draw er diagram using entities crop,employee,department,plot,cultivation plan,machinery,seed,fertilizer
What are the difference between clustered and a non-clustered index? A clustered index is a special type of index that reorders the way records in the table are physically stor
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Determine the Strong and Weak Entity Based on the method of foreign key, there might be arise a situation when we have to relate an entity having a primary key of its own and a
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