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Which is the suitable and efficient data structure to create a tree?

Posted By :Abhisek Panda     Posted Date :January 28, 2010    Points :10   Category :Others 
Linked list is the suitable and efficient data structure to create a tree. It will provide more flexibility.

You can also find related Interview Question to Which is the suitable and efficient data structure to create a tree?  below: 

What is data structure?

  
A data structure is a way of organizing data that considers not only the items stored, but also their relationship to each other. Advance knowledge about the relationship between data items allows designing of efficient algorithms for the manipulation of data. (More...)

What command is used to create a table by copying the structure of another table?

  
CREATE TABLE .. AS SELECT command

Explanation :

To copy only the structure, the WHERE clause of the SELECT command should contain a FALSE statement as in the following.
CREATE TABLE NEWTABLE AS SELECT * FROM EXISTINGTABLE WHERE 1=2;
If the WHERE condition is true, then all the rows or rows satisfying the condition will be copied to the new table. (More...)

How is the data structure of System R different from the relational structure?

  
Unlike Relational systems in System R
1.Domains are not supported
2.Enforcement of candidate key uniqueness is optional
3.Enforcement of entity integrity is optional
4.Referential integrity is not enforced (More...)

Which command is used to create a table by copying the structure of another table?

  
CREATE TABLE .. AS SELECT command
Example:-
CREATE TABLE AS SELECT*FROM WHERE 1=2; (More...)

Which namespace is used to create an Exception Tree?

  
System.Data.Common.CommandTree namespace provide classes to create an Exception Tree. (More...)

You have got 1 million parking slots. At a time a parking slot can be free or not. To get next slot easily which data structure to implement?

  
Use Stack.

If you use Stack, we can just get the next slot by using stack.Pop()

If you use List, we have to iterate through all list and check the status and retrieve.

So stack would be advantageous. (More...)

What is Private Constructor? and it's use? Can you create instance of a class which has Private Constructor?

  
When a class declares only private instance constructors, it is not possible for classes outside the program to derive from the class or to directly create instances of it. (Except Nested classes)
Make a constructor private if:

1) You want it to be available only to the class itself. For example, you might have a special constructor used only in the implementation of your class' Clone method.

2) You do not want instances of your component to be created. For example, you may have a class containing nothing but Shared utility functions, and no instance data. Creating instances of the class would waste memory. (More...)

What are the requirements to create a CLR based user-defined type?

  
CLR must be enabled for the instance and A class created with a CLR-compatible language. (More...)

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