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What aggregate functions returns a row count as an integer?

Posted By :Shashi Ray     Posted Date :September 10, 2008    Points :10   Category :Sql Server 

You can also find related Interview Question to What aggregate functions returns a row count as an integer?  below: 

Tell me some Aggregate Functions?

AVG (More...)

Value type & reference types difference? Example from .NET. Integer & struct are value types or reference types in .NET?

Most programming languages provide builtin data types, such as integers and floatingpointnumbers, that are copied when they are passed as arguments (that is, they are passed by value). In the .NET Framework, these are called value types. The runtime

supports two kinds of value types:
· Builtin
value types
The .NET Framework defines builtin
value types, such as System.Int32 and
System.Boolean, which correspond and are identical to primitive data types
used by programming languages.
· Userdefined
value types
Your language will provide ways to define your own value types, which derive from System.ValueType. If you want to define a type representing a value that is small, such as a complex number (using two floatingpoint numbers),
you might choose to define it as a value type because you can pass the value type efficiently by value. If the type you are defining would be more efficiently passed by reference, you should define it as a class instead.

Variables of reference types, referred to as objects, store references to the actual data. This following are the reference types:
· class
· interface
· delegate
This following are the builtin
reference types:
· object (More...)

How to get the column count of a report?

SY-LINSZ system variable gives the column count (line size) and SY-LINCT for line count. (More...)

What is COUNT Syntax?


COUNT is arithmetic function, This is return number of row. (More...)



Fetch the number of distinct entries in a Employee_table. (More...)

I was trying to use an "out int" parameter in one of my functions. How should I declare the variable that I am passing to it?

You should declare the variable as an int, but when you pass it in you must specify it as 'out', like the following: int i; foo(out i); where foo is declared as follows: [return-type] foo(out int o) { } (More...)

Explain about the Boolean functions present in Javascript?

Three Boolean operators are present in Javascript they are
1) &&
2) II
3) /
All the operators are regarded as true unless the Javascript regards them as false. You can define these operators to make as statement false number0, null, undefined, or a string of length 0, etc. Boolean function performs these conversions explicitly. (More...)

What are the Text and Image Functions?

PATINDEX,TEXTPTR,TEXTVALID are the Text and Image Functions (More...)

Tell me some String Functions?


Which function is used to convert the integer value into spaces?

The SPACE function convert the specified integer value into spaces.


It will output a string of four spaces " ". (More...)

Difference between stored procedures and functions ?

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 allow select as well as DML statement in it whereas function allow 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 can not be utilized in a select statement whereas function can be embedded in a select statement. (More...)

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