What is the query to get last 50 percent of datas from a table?

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SQL-Server-2005

Dear,

I am Viswanathan.M.
My Question is, I need to get a last 50 percent of datas from the table.
ie.,

I have 100 rows in a table.Now i need to get last 50 datas from that table. For this tell the SQL server 2005 Query.

Posted 8-Apr-11 22:56pm

Viswanthan.M.

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Mohankumar.Engain 9-Apr-11 5:54am

i Already that doubt thanks... Mr.vishwa

by mohan

2 solutions

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Wendelius · Answer 1 · 2011-04-08T23:18:00

If the amount of rows can change, you could try something like this:

SQL

SELECT TOP((SELECT COUNT(*) FROM MyTable) / 2) 
       * 
FROM MyTable
ORDER BY ColumnThatDefinesTheOrderForPercentage DESC

Or simply use PERCENT and order the data in descending order, like:

SQL

SELECT TOP(50) PERCENT
       *
FROM MyTable
ORDER BY ColumnThatDefinesTheOrderForPercentage DESC

Mahendra.p25 · Answer 2 · 2011-04-08T23:05:00

Solution 1

hi,

You can use

select Top(50) * from Table Orderby(PrimayKeyColumn) desc 

//another way

select Top (50)* from Table where Id Not in (Select  Top(50) Id from Table )

Posted 8-Apr-11 23:05pm

Mahendra.p25