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Objectives
After reading this unit you should be able to:
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
sql is relationally complete-justify
Write a short note on QBE? Stands for "Query By Example." QBE is a feature involved along with various database applications which gives user-friendly techniques of running da
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
Explain in detail about Collaboration Diagrams Collaboration diagrams are interaction diagrams which emphasize structural organisation of an object that transmit and receive m
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
complete er diagram of textile industry management
what is attribute is attribute inheritance in dbms?
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