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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
What is meant by the degree of relationship set? The degree of relationship type is the number of participating entity types.
ddlc
what is completeness constrent?
One-way Associations If an association is only traversed in single direction, then it is known as one-way association. It is implemented as a pointer or an attribute which con
cardnality ratio for humanresource mangement system
Discuss The difference between drop table R and delete from R. DROP TABLE command deletes all the records with the table definition. This command will automatically committed
Describe in brief about DBMS ?
what would go in order patient#, patient name, patien address, surgeon#, surgeon name, surgery date, surgery type, drug admin
coventions for displaying an ER schema as ER diagram
Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key
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