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What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
Explain Clustering file organization (i) Determine if a record of file is physically ordered on a nonkey field - that does not comprise a different value for each record - that
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
random file orgnization
List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
Give the reasons for allowing concurrency? The reasons for allowing concurrency is if the transactions run serially, a short transaction might have to wait for a preceding long
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.
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