Hello, thanks for your help! I dont really get it :) You suggestion is to have a seperate column with the name numericvalue and insert userinput into that and add a zero, right?
Could you explain more, why when how will this help me :) Quoting [EMAIL PROTECTED]: > Assuming that your text data is in the column `userinput` and you want > the > integer values to be in the column `numericvalue`, this statement will > populate the `numericvalue` column all at once: > > UPDATE `odd_data_table` SET `numericvalue` = `userinput` + 0; > > You are better off checking for type-correctness before you enter data > into the database than you are trying to correct it after the input. > However, I have had to do just this kind of conversion on many occasions > > (old data, bad batch inputs, text file bulk loads, etc.) so I know > techniques like this still have their place. > > Shawn Green > Database Administrator > Unimin Corporation - Spruce Pine > > Test USER <[EMAIL PROTECTED]> wrote on 12/09/2005 03:30:17 PM: > > > in an application i have written there is the need to do a search from > > mysql > > using numbers that are stored in a varchar column. it is not > > possible to store > > only the results with numbers in a seperate column. > > so i was looking at CAST(), is this a big performance loss? is > theresome > way > > of benchmarking different queries easy? > > > > ------------------------------------------------- > > FREE E-MAIL IN 1 MINUTE! > > - [EMAIL PROTECTED] - http://www.pc.nu > > > > -- > > MySQL General Mailing List > > For list archives: http://lists.mysql.com/mysql > > To unsubscribe: > http://lists.mysql.com/[EMAIL PROTECTED] > > > ------------------------------------------------- FREE E-MAIL IN 1 MINUTE! - [EMAIL PROTECTED] - http://www.pc.nu -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
