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Heap files (unordered file)
Mostly these files are unordered files. It is the easiest and most basic type. These files having of randomly ordered records. The records will have no exacting order. The operations we can do on the records are retrieve, insert and delete. The types of the heap file or the pile file Organisation are:
Can we delete data element, which is being used by table fields. No we cant delete data element.
Implementation and SQL Applications
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Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
What is aggregate function? Briefly describe it? Aggregate functions are functions that take a collection of values as input and return a one value. SQL offers 5 built-in aggre
Why is need for the multiple access paths?
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