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Which method is used to key transformation ?
A hash method is used to key transformation.
Explain the systems development life cycle. This is the traditional method to develop, maintain, and replace information systems that contains the project identification and se
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Explain the term - Adjustment of inheritance The inheritance can be enlarged as object design progresses by changing class structure. The designer should do: i) Adjust or r
Benefits of Sequential File Organisation It is quick and efficient when dealing with huge volumes of data that require being processed periodically (batch system). Dra
What are the advantages and disadvantages of using a database system. Sol. Advantages of Database System (DBMS) : (1) Data Redundancy and Inconsistency: Since differen
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
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