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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
tell me the functionality,advantages and disadvantages of student database
UNION If R1 and R2 are two union compatible relations then R3 = R1 ∪ R2 is the relation having tuples that are either in R1 or in R2 or in both. In case, R3 will have tuples
Which file organization provides very fast access to any arbitrary record of a file? Hashed file organization provides very fast access to any arbitrary record of a file.
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
what are the purposes of dbms in details
Text Processing: Use readLines to read SOU.txt into R. Create a vector called Pres containing the names of the presidents giving each speech. To do this, rst identify the lin
Q. Why would you choose a database system instead of simply storing data in operating system file? Define at a base concept in details. Sol. Advantages of Database over Fil
what benefit can a company gain by managing its own infrasture and services
we need example of 2phase locking
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
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