save values from multiple select

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I am working on jsp & struts2. The values in the select are populated on click of a button. But in the database there is only a single column for the values. SO I have to save all the values in single column seperated with commas. Plus in the edit mode have to retrieve the value into the same select box. Can any help?? Thanks in advance :)

Posted 2-Jul-14 2:27am

pradnyaa

Updated 2-Jul-14 18:39pm

v2

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Zoidberg Why Not · Answer 1 · 2014-07-04T01:58:00

Solution 3

This can help[^]

There is a library called jQuery which has loads of plugins, this is one such plugin which does exactly what you are asking (again, I'm hoping i've understood you).

Posted 4-Jul-14 1:58am

Zoidberg Why Not

Peter Leow · Answer 2 · 2014-07-04T02:02:00

You are making a serious mistake.
Never put multiple values in a single column in a row. It can but should not be done. It is against 1NF principle. In relational database design, every row must not have a column that takes more than one value, like separated with commas. They should be separated into multiple rows.
Read more: ten-common-database-design-mistakes/[^]