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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
Question: This question refers to the database schema. a) Express the following queries in SQL: (i) Write the SQL code that will create the table Company. Your answer sh
What is a hashing function? What are the properties of a good hashing function? Describe the folding technique for hashing functions. Ans: Hashing function is a method
brief history,definition,current trends and future trends if any of data fragmentation
what are information system hirarchy?
DISADVANTAGES OF RDBMS
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
random file sharing
When is UPDATE_STATISTICS command used? - When processing of large data is done, this command is used. - Whenever large number of modification, deletions or copy takes place
Consider an information system designed for an online company which provides IT products and services These include desktops, laptops, networking products, IT books, parts, and
multiplicity constarin
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