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what is query processing?
What are views? Explain how views are different from tables? A view in SQL terminology is a one table in which is derived from other tables. These other tables could be base t
Determine the advantage of object-orientation Finally, object-orientation has advantage of continuity throughout analysis, persistent representation and design implementation.
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
The following data are required to be stored by a family physician. Family#, FamilyAddress, Patient#, PatientName, ServiceCode, ServiceFee, ServiceDate A family can have seve
(a) Provide the description of the following ODMG schema in the Object Definition Language (ODL). (b) Based on the above object database, write the following queries i
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
What do you mean by persistence? How you will make your data persistent? Persistent data is the data, which has a longer lifetime than program which has created it. Enabling th
What are multiple inheritances? Multiple inheritances allow a class to inherit variables and methods from many super classes.
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
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