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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
Consider the table student and list names of students in the departments other than maths and computer. SELECT std_name FRM student WHERE dept_name NOT IN (‘Maths','Computer);
Submit the SQL Statements necessary to create your database according to the following guidelines: Your SQL statements should exactly mirror your ERD. All primary keys,
what problems are raised by the database? why is it so controversial? why is data quality an issue?
I need help with some assignments
explain various steps uses in evaluation and maintenance of MIS.
discuss the purpose of the concurrency control?
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
Implementation and SQL Applications
CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., cruise control) that were sold at a de
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