Non-standard number data types in Oracle











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Besides the "usual" number data type where precision is greater then scale there are many "non-standard" number data types where scale greater then precision or where scale is negative.



For example





  1. NUMBER(2, 5) means that there are 5 digits in the fractional part, 3 of them is obligatory zeros.


  2. NUMBER(2,-6) Here the scale is -6, which means the value is rounded to millions and the precision is 2, so 2 significant digits can be stored.


Can somebody provide examples of using such data types in practice?






sql oracle sqldatatypes







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  • I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
    – Tim Biegeleisen
    Nov 10 at 14:03










  • @TimBiegeleisen Thx for your link.
    – Oiale
    Nov 10 at 14:11






  • 2




    I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
    – mathguy
    Nov 10 at 15:28










  • @mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
    – Oiale
    Nov 10 at 15:35

















up vote
1
down vote

favorite
1












Besides the "usual" number data type where precision is greater then scale there are many "non-standard" number data types where scale greater then precision or where scale is negative.



For example





  1. NUMBER(2, 5) means that there are 5 digits in the fractional part, 3 of them is obligatory zeros.


  2. NUMBER(2,-6) Here the scale is -6, which means the value is rounded to millions and the precision is 2, so 2 significant digits can be stored.


Can somebody provide examples of using such data types in practice?






sql oracle sqldatatypes







share|improve this question
























  • I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
    – Tim Biegeleisen
    Nov 10 at 14:03










  • @TimBiegeleisen Thx for your link.
    – Oiale
    Nov 10 at 14:11






  • 2




    I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
    – mathguy
    Nov 10 at 15:28










  • @mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
    – Oiale
    Nov 10 at 15:35















up vote
1
down vote

favorite
1









up vote
1
down vote

favorite
1






1





Besides the "usual" number data type where precision is greater then scale there are many "non-standard" number data types where scale greater then precision or where scale is negative.



For example





  1. NUMBER(2, 5) means that there are 5 digits in the fractional part, 3 of them is obligatory zeros.


  2. NUMBER(2,-6) Here the scale is -6, which means the value is rounded to millions and the precision is 2, so 2 significant digits can be stored.


Can somebody provide examples of using such data types in practice?






sql oracle sqldatatypes







share|improve this question















Besides the "usual" number data type where precision is greater then scale there are many "non-standard" number data types where scale greater then precision or where scale is negative.



For example





  1. NUMBER(2, 5) means that there are 5 digits in the fractional part, 3 of them is obligatory zeros.


  2. NUMBER(2,-6) Here the scale is -6, which means the value is rounded to millions and the precision is 2, so 2 significant digits can be stored.


Can somebody provide examples of using such data types in practice?






sql oracle sqldatatypes




sql oracle sqldatatypes






share|improve this question















share|improve this question













share|improve this question




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edited Nov 10 at 15:56









a_horse_with_no_name

285k45427525




285k45427525










asked Nov 10 at 13:55









Oiale

22617




22617












  • I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
    – Tim Biegeleisen
    Nov 10 at 14:03










  • @TimBiegeleisen Thx for your link.
    – Oiale
    Nov 10 at 14:11






  • 2




    I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
    – mathguy
    Nov 10 at 15:28










  • @mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
    – Oiale
    Nov 10 at 15:35




















  • I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
    – Tim Biegeleisen
    Nov 10 at 14:03










  • @TimBiegeleisen Thx for your link.
    – Oiale
    Nov 10 at 14:11






  • 2




    I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
    – mathguy
    Nov 10 at 15:28










  • @mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
    – Oiale
    Nov 10 at 15:35


















I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
– Tim Biegeleisen
Nov 10 at 14:03




I don't know of any examples off-hand, but here is a link to an Oracle discussion similar to your question.
– Tim Biegeleisen
Nov 10 at 14:03












@TimBiegeleisen Thx for your link.
– Oiale
Nov 10 at 14:11




@TimBiegeleisen Thx for your link.
– Oiale
Nov 10 at 14:11




2




2




I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
– mathguy
Nov 10 at 15:28




I don't understand your question. Are you asking to see concrete uses of such specifications in Oracle, or are you asking for examples of use cases, where one would need to use them (instead of, say, the generic NUMBER data type)? As in, "why would one ever need to use them"? Note that the latter is not a technical question; strictly speaking it would be out of scope for SO.
– mathguy
Nov 10 at 15:28












@mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
– Oiale
Nov 10 at 15:35






@mathguy Thanks for your resonse. I asked about general use of such number data types (second option in your comment). If this question doesn't fit to SO can you give me a piece of advice where I can ask this question?
– Oiale
Nov 10 at 15:35



















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