All matter is made of atoms. Atoms are the smallest particle of matter. They are so small that you cannot see them with your eyes or even with a standard microscope. A standard sheet of paper is about a million atoms thick.
Answer Wiki. The int type is a 4-byte signed integer. There are also tinyint (1 byte), smallint (2 bytes), and bigint (8 bytes), and unsigned versions of all of these. As Apostolos mentioned, the docs for all the numeric types are here: http://dev.mysql.com/doc/refman/...
MySQL has an isnumeric function but Oracle does not have anything to check if a string is numeric. Answer: This command will test whether a string value is numeric in Oracle: LENGTH(TRIM(TRANSLATE(, ' +-.0123456789', ' '))) is null. Get the Complete.