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Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What Command You Use What Day of the week were you born
Determine the Three Views of Data We know that the similar thing, if viewed from dissimilar angles produces difference sights. Similarly, the database that we have formed alrea
PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
A full discription of the new, a discription of its components, and the bebefit it will provide a company. A disscussion of the information usedin the system. A disscussion of any
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
Express types of information available in MySQL? Information as regards the result of queries: This includes number of records affected by any SELECT or UPDATE or DELETE st
While sorting field groups we cannot use more than one key field False.
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
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