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Posted by Jerry Stuckle on 09/28/29 11:29
J Mox wrote:
> "Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
> news:0-OdnWh8dc2_IszeRVn-sQ@comcast.com...
>
>>J Mox wrote:
>>
>>>"Jerry Stuckle" <jstucklex@attglobal.net> wrote in message
>>>news:wNKdnTqy45p3KMzeRVn-ug@comcast.com...
>>>
>>>
>>>>J Mox wrote:
>>>>
>>>>
>>>>>Hi, I am creating a user name system in which each user is assigned 100 different types of
>>>>>permissions. Is it better to create a table with one row for each user and 101 columns (1 for
>>>>>userid and 100 for permission values) or 3 columns (1 for userid, 1 for permission id, one for
>>>>>permission value) and then 100 rows for each user or something else?
>>>>
>>>>Two tables. First one has userid and password. Second one has userid and a permission value.
>>>>
>>>
>>>
>>>Right but in the 2nd table, is it better to have 3 columns and 100 rows for each user or 101
>>>columns and one row for each user?
>>
>>Ok, I misread the question. Three columns. Userid, permission code and permission value.
>>
>>101 columns is inflexible. How much code would you need to change if you had to add another
>>permission code?
>>
>>And you probably won't have 100 permission codes for every person, will you?
>>
>
>
> The way I have currently coded it I would not need to change any more code to add or edit a
> permission either way and yes the way it is currently setup each user would need to be assigned 100
> permissions with values of either 1 or 0. So I guess it comes down to which type of query would
> return a single users permissions faster.
>
>
Read up on database normalization.
--
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Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attglobal.net
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