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plz suggest me the book for preparation of NIC exam.
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Answer Posted / atul kumar
jus follow the gate pttern and operating system ,comuter
organisation & comuter network are the main subject
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First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9
What are the disadvantages of views in a database?
What is the candidate key used for?
What is a super key?
What are the advantages of normalizing a database.
