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What is serialization? Where it is used and why?
Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable form, removing volatility created by the object addresses. Serialization provides the convenient and straightforward way of making the data persistent. It is mainly appropriate when amount of data involved is relatively small. If larger amounts of data have to be stored, serialization might no longer be appropriate.
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
A buyer for a large department store chain must place orders with an athletic shoe manufacturer six months prior to the time the shoes will be sold in the department stores. In par
Saving Derived Attributes to Avoid Re-computation As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,
In Oracle what is system global area and how is it organized? The SGA is a collection of shared memory fields which along with the Oracle processes constitute an Oracle instan
Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
BCNF Boyce-Codd Normal Form A relation schema R is in BCNF if it is in 3NF and accepts an additional constraint that for every FD X A, X has to be a candidate key. If a relati
Question 1 Suppose the employee employee id, name, designation, salary, attendance and address of any employee has to be stored in a database. You can store these data in a sequen
What is Relational DBMS This is our subject of study. A DBMS is relational if the data is organized into relations, that is, tables. In RDBMS, all data are kept in the well-kno
1. Explain different addressing modes of 8086 Explanation of all addressing modes 2. Write a sequence of instructions to exchange two register contents using stack
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