by-RAHUL SRIVASTAVA
Why would you like to change the company?
1) I am looking for a more challenging career in a firm with a larger employee base such as yours.
2) Keeping in mind my career goals, the time has come for me to move onto the next rung of
the ladder and make a mark for myself. This can be achieved in a company like this.
3) It is just a career move to enhance my knowledge in my own area of interest.
After completion of this question only interview will go for further questions
Difference between stored procedure and function
1) Procedure can return zero or n values whereas function can return one value which is mandatory.
2) Procedures can have input, output parameters for it whereas functions can have only input parameters.
3) Procedure allows select as well as DML statement in it whereas function allows only select statement in it.
4) Functions can be called from procedure whereas procedures cannot be called from function.
5) Exception can be handled by try-catch block in a procedure whereas try-catch block cannot be used in a function.
6) We can go for transaction management in procedure whereas we can't go in function.
7) Procedures cannot be utilized in a select statement whereas function can be embedded in a select statement.
2) Procedures can have input, output parameters for it whereas functions can have only input parameters.
3) Procedure allows select as well as DML statement in it whereas function allows only select statement in it.
4) Functions can be called from procedure whereas procedures cannot be called from function.
5) Exception can be handled by try-catch block in a procedure whereas try-catch block cannot be used in a function.
6) We can go for transaction management in procedure whereas we can't go in function.
7) Procedures cannot be utilized in a select statement whereas function can be embedded in a select statement.
Difference between Abstract and Interface
Abstract Class:
-Abstract class provides a set of rules to implement next class
-Rules will be provided through abstract methods
-Abstract method does not contain any definition
-While inheriting abstract class all abstract methods must be override
-If a class contains at least one abstract method then it must be declared as an “Abstract Class”
-Abstract classes cannot be instantiated (i.e. we cannot create objects), but a reference can be created
-Reference depends on child class object’s memory
-Abstract classes are also called as “Partial abstract classes”
-Partial abstract class may contain functions with body and functions without body
-If a class contains all functions without body then it is called as “Fully Abstract Class” (Interface)
Interface:
-If a class contains all abstract methods then that class is known as “Interface”
-Interfaces support like multiple inheritance
-In interface all methods r public abstract by default
-Interfaces r implementable
-Interfaces cannot be instantiated, but a reference can be created
-Abstract class provides a set of rules to implement next class
-Rules will be provided through abstract methods
-Abstract method does not contain any definition
-While inheriting abstract class all abstract methods must be override
-If a class contains at least one abstract method then it must be declared as an “Abstract Class”
-Abstract classes cannot be instantiated (i.e. we cannot create objects), but a reference can be created
-Reference depends on child class object’s memory
-Abstract classes are also called as “Partial abstract classes”
-Partial abstract class may contain functions with body and functions without body
-If a class contains all functions without body then it is called as “Fully Abstract Class” (Interface)
Interface:
-If a class contains all abstract methods then that class is known as “Interface”
-Interfaces support like multiple inheritance
-In interface all methods r public abstract by default
-Interfaces r implementable
-Interfaces cannot be instantiated, but a reference can be created
What are differences between Array list and Hash table?
Ans: 1) Hash table store data as name, value pair. While in array only value is store.
2) To access value from hash table, you need to pass name. While in array, to access value, you need to pass index number.
3)
you can store different type of data in hash table, say int, string
etc. while in array you can store only similar type of data.
What are differences between system.stringbuilder and system.string?
The
main difference is system.string is immutable and system.stringbuilder
is a mutable. Append keyword is used in string builder but not in
system.string.
Immutable
means once we created we cannot modified. Suppose if we want give new
value to old value simply it will discarded the old value and it will
create new instance in memory to hold the new value.
What are the differences between Application object and session object?
Ans:
The session object is used to maintain the session of each user. If one
user enter in to the application then they get session id if he leaves
from the application then the session id is deleted. If they again enter
in to the application they get different session id.
But for application object the id is maintained for whole application.
But for application object the id is maintained for whole application.
What are the different types of indexes?
Ans: Two types of indexes are there one is clustered index and non-clustered index
How many types of memories are there in .net?
Ans: Two types of memories are there in .net stack memory and heap memory
Is it possible to set the session out time manually?
Ans: Yes we can set the session out time manually in web.config.
What are differences between function and stored procedure?
Ans:
1) Function returns only one value but procedure returns one or more than one value.
2) Function can be utilized in select statements but that is not possible in procedure.
3) Procedure can have an input and output parameters but function has only input parameters only.
4) Exceptions can be handled by try catch block in procedures but that is not possible in function.
What are the differences between Abstract and interface?
Ans: 1) Abstract cannot be instantiated but we can inherit. Interface it cannot be inherit it can be instantiate
2) Interface contain only declarations no definitions. Abstract contain declarations and definitions.
3)
The class which contains only abstract methods is interface class. A
class which contains abstract method is called abstract class
4)
Public is default access specifier for interface we don’t have a chance
to declare other specifiers. In abstract we have chance to declare with
any access specifier
Can you Explain Page lifecycle in .net?
Can you Explain .NET architecture in .net?
What is the difference between primary key and unique key with not null?
Ans: There is no difference between primary key and unique key with not null.
What is boxing and unboxing concepts in .net?
Ans: Boxing is a process of converting value type into reference type
Unboxing is a process of converting reference type to value type.
What are the differences between value type and reference type?
Ans: Value type contain variable and reference type are not containing value directly in its memory.
Memory
is allocated in managed heap in reference type and in value type memory
allocated in stack. Reference type ex-class value type-struct,
enumeration
Is it possible to host the website from desktop?
Ans: Yes
Why we go for page rendering in Asp.Net Page life cycle?
Ans: Browser understands an only html control that’s why in page rendering we will convert the aspx controls into html controls.
Write a sample query for self join?
Ans: Select e1.ename, e2.empid from emp e1, emp e2 where e1.empid=e2.mgrid;
Can we change the index of primary key on table?
Ans: No
How to change the name of the table or stored procedure in sql?
Ans: sp_rename oldtablename newtablename
For changing the column name
Sp_rename ‘tablename.[Oldcolumnname]’,’newcolumnname’,’Column’
Ex:sp_rename ‘tblemp.first’,’namechange’,’Column’
How to find out which index is defined on table?
Ans: sp_helpindex tablename
Can you write the program to find the length of string without using library function?
Ans: for (int i=0; str[i]!=”\n”; i++)
{
Count++;
}
What is the difference between scope_identity() and current_identity()?
Ans: Scope_identity and current _identity both are similar and it will return the last identity value generated in the table.
Scope_Identity will return the identity value in table that is currently in scope
What are difference between GET and POST Methods?
Ans:
GET Method ():
1) Data is appended to the URL.
2) Data is not secret.
3) It is a single call system
4) Maximum data that can be sent is 256.
5) Data transmission is faster
6) this is the default method for many browsers
POST Method ():
1) Data is not appended to the URL.
2) Data is Secret
3) it is a two call system.
4) There is no Limit on the amount of data. That is characters any amount of data can be sent.
5) Data transmission is comparatively slow.
6) No default and should be explicitly specified.
1) Data is appended to the URL.
2) Data is not secret.
3) It is a single call system
4) Maximum data that can be sent is 256.
5) Data transmission is faster
6) this is the default method for many browsers
POST Method ():
1) Data is not appended to the URL.
2) Data is Secret
3) it is a two call system.
4) There is no Limit on the amount of data. That is characters any amount of data can be sent.
5) Data transmission is comparatively slow.
6) No default and should be explicitly specified.
