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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
Define the Third Normal Form: The third normal form (3NF) is a normal form employed in database normalization. 3NF was initially defined by E.F. Codd in 1971. Codd's definitio
What are deadlocks? How can they be avoided? Ans: Deadlock considers to a particular condition when two or more processes are every waiting for another to release a resource,
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
East Coast Aquarium Relational Database
In which format database schema is written ? Data base schema is written in the DDL format.
explain participation constraints with examples
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
What are the reasons of bucket overflow? Explain any two methods for solving this problem. Ans: It is general for file structures to be divided into equal-length partitions, k
Project Description: Hi I'm seeking someone to make my dBase application work. I know it's not a 'modern' language but it's what I know. I have written an order program and I ne
Mention the several levels in security measures. A) Database system B) Operating system C) Network D) Physical Human
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