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Design an algorithm to implement operations
Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operation is done rather than what it does, like in analysis specification.
What is the difference between a key and a superkey? Key - A key a single attribute or a combination of two or more attributes of an entity set which is used to identify one
Implementation and SQL Applications
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
Consider the relations EMP(ENO,ENAME,AGE,BASIC_SALARY) WORK_IN(ENO,DNO) DEPT(DNO,DNAME,CITY) Express the following queries in SQL (i) Find names of employees who work in a dep
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Question : (a) Explain with the help of appropriate examples the difference between ‘Data' and ‘Information'. (b) A digital image is an array of pixels, where each pixel h
Describe the shadow paging technique.
Explain heap file with advantages? Heap File is an unordered set or a group of records, stored on a set of pages. This class gives basic support for inserting, updating, select
what problems are raised by the database? why is it so controversial? why is data quality an issue?
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
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