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Write a short note on oracle Instance?
Oracle Instances: An instance is the (executed) Oracle software and the memory they use. It is the instance which manipulates the data stored within the database. It can be begin independent of any database. It consists of:
1) A shared memory area which gives the communication among several processes.2) Upto five background processes that handled several tasks. Whenever an oracle examples starts, the file ‘INIT.ORA' is executed.
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
Explain the uses of deadlock It will lead to deadlock since this is the only place where incoming acknowledgements are processed. Without this code, sender will keep timing ou
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Describe Database state in details? Database state: The actual data within the database at a particular moment in time is known as a database state.
About Attribute inheritance
milestone assignment
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
Consider the 1ollowin8 relation: CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., crui
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