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In which form of relational database developer refers to a record?In a tuple form of relational database developer refers to a record.
Benefits and limitations
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
Question: This form represents one of a number used for each sailing of a range of boats. A passenger may go on many sailings and will have the same passenger number for each.
What is the initial step for object-oriented designing The initial step for object-oriented designing is object modeling. Before we go into deep about object modeling first of
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
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