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What are composite attributes? Composite attributes can be separated in to sub parts.
Benefits of heap files 1. This is a easy file Organisation method. 2. Insertion is somehow capable. 3. Good for bulk-loading data into a table. 4. Best if file
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Objectives differentiate DDBMS and conventional DBMS; Describe Network topology for DDBMS; Describe the concepts of horizontal and vertical fragmentation; Descr
Can a stored procedure call itself or recursive stored procedure? How much level SP nesting is possible? Yes. Because Transact-SQL supports recursion, you can write kept proced
QUESTION (a) Consider a car database consisting of car model, car make, car origin, Engine capacity, color, cost.
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
What are the physical characteristics of magnetic disks? Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik
Differentiate sub-class and super-class? The specialization of a class is known as subclasses.eg: employee is a subclass of person and teller is a subclass of employee. Convers
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