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What is a hash index?
A hash index organizes the search keys, with their associated pointers, into a hash file structure.
There are three main sources of utilities and applications for a DBMS: a. Vendor applications and utilities are given for working with or maintaining the database, and generally
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
What are the advantages of creating a table from existing table?
What is meant by heuristic optimisation? Discuss the main heuristics that are applied during query optimisation. Ans: In heuristic optimization, heuristics are employed to r
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
List the steps for converting state diagram to the code. a) Finding major control path b) Finding the conditional statements c) Finding the loops d) Finding error ro
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an ex
This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
A database has been designed for this beauty parlour in order for the staff to manage specific things such as bookings made by clients, payments, staff availability, level of exper
Java program for horrizontal fragmentation in distributed database
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