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State about the Tables- DBMS
Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record that is made up of a number of fields (columns in the table). Data type in the fields is generally either text, numeric or time/date. Most databases comprise a number of tables that are generally linked together in some way.
what is meant semantic query optimization? how does it differ from other query optimization techniques?
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
What are the various states through which a transaction passes through in its lifetime? Briefly discuss all the events that causes transition from one state to another. Ans:
what benefit can a company gain by managing its own infrasture and services
The Database Approach In order to overcome the limits of a file system, a new approach was needed. Hence a database approach emerged. A database is a persistent collection of
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Question 1 Discuss on transmission impairments Question 2 What is framing? Question 3 Write a note on 10Base2 10Base- T Question 4 Explain the rev
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