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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
ERD Diagram of Medical Recruitment Agency?
Whenever the LIMIT clause will be used? LIMIT is used for the following kinds of problems: 1) Answering questions about first or last and largest or smallest 2) Splitting
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
define normalisation and functional dependency
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
When are two schedules said to be view equivalent? Ans: Two schedules that is denoted as S and S' are said to be view equivalent if the subsequent three conditions are met
Define the basic operations of the relational algebra? Ans: Basic operators of relational algebra are: 1. Union (∪) - Selects tuples which are in either P or Q or in bot
tell me the functionality,advantages and disadvantages of student database
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