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Explain what is Aggregation? Aggregation: Aggregation is an significant concept in database design whereas composite objects could be modelled during the design of database a
a method named WonGame that checks each letter in the word is matched by its label
a brief definition
The Enhanced Entity Relationship Diagram (ERD) produced with a drawing or case tool. Your EERD must use a ''standard'' notation style such as Crows Foot or Chen. Please note that t
An object-oriented design process 1. Define the context and modes 2. Designs the system architecture 3. Identifies the principal system objects 4. Identifies concurrency in
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Write a query that display ename annual salary and comm from emp table
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
how does Btree differ from a B+ - tree?
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