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Example -GRANT CREATE SESSION TO MCA12; (This command gives system level permission on creating a session - not portable) GRANT SELECT ON EMP TO MCA12; (Object level permi
what does glory be mean
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Define physical and logical data independence. How does this architecture help in achieving these? Data independence entails that change in one view must not need a change in t
Hardware failure : Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and
3 assignments combined in 1
i need to submit in this topic.
Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):
what is specialization?
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
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