oracle11g - Force decimal value, even when 0 in oracle -

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i have field stores version information such 1.1, 1.2 etc. however, store 4.0 4 , 5.0 5.

is there way force show .0?

i have tried number(5, 3) , decimal(5, 3) data types , neither work.

version - oracle database 11g enterprise edition release 11.2.0.2.0 - 64bit production

a number column never store decimal value if doesn't need to.

you can, however, control how data displayed user when converted string using explicit to_char rather relying on implicit data type conversion. if use format mask 9.0 in to_char call, example, string generated have 1 decimal digit.

sql> select to_char( 4, '9.0' )   2    dual;  to_c ----  4.0  sql> ed wrote file afiedt.buf    1  select to_char( 4.1, '9.0' )   2*   dual sql> /  to_c ----  4.1

that being said, seems unlikely want store software version information in number column rather varchar2. you, presumably, aren't doing mathematical operations on data of benefit of having number off table. , software versions not inherently numeric. find wanting more 2 components (i.e. oracle 11.2.0.1). , software versions tend have highly non-numeric things done them. if version follows 4.9 4.10, that's different version 4.1 followed 4.0. if you're using number, though, lose ability differentiate between versions.


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