how to get nearest value from database in mysql

Question

I am using mySQL and CodeIgniter. I have some floating point numbers in my database such as

• 8.3456
• 8.5555
• 4.5556

Answer 1

SELECT * FROM table1 ORDER BY ABS(value - '$myvalue') LIMIT 1 

Answer 2

Read this page http://dev.mysql.com/doc/refman/5.1/en/mathematical-functions.html#function_round

but your select would look like this

select value from table where ROUND(value) = $myvalue 

Answer 3

select * 
from table 
order by abs(value - $myvalue)
limit 1

Answer 4

SELECT number, ABS( number - 2500 ) AS distance
FROM numbers
ORDER BY distance
LIMIT 6

Selecting closest values in MySQL

Answer 5

Try this:

SELECT *,abs((columnname -Yourvalue)) as near
  FROM table
 WHERE order by near limit 0,1