MESSAGE
| DATE | 2015-01-22 |
| FROM | Ruben Safir
|
| SUBJECT | Re: [LIU Comp Sci] Normalization review
|
From owner-learn-outgoing-at-mrbrklyn.com Thu Jan 22 20:01:14 2015
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Date: Thu, 22 Jan 2015 20:01:13 -0500
From: Ruben Safir
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Subject: Re: [LIU Comp Sci] Normalization review
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On 01/22/2015 08:00 PM, Serge Glikstein wrote:
> Just the project class, you?
what is the project class?
> —
> Sent from Mailbox
>
> On Thu, Jan 22, 2015 at 7:59 PM, Ruben Safir wrote:
>
>> Sergei
>> what are you taking this semester?
>> On 12/18/2014 01:35 PM, Sergei Glikstein wrote:
>>> http://psoug.org/reference/normalization.html
>>>
>>> On Thu, Dec 18, 2014 at 1:08 PM, Ruben Safir wrote:
>>>> Do you have HIS definition for BCNF because if I recall, he said it was
>>>> exclusive to himself since it is defined in different places
>>>> differently.
>>>>
>>>>
>>>>
>>>> On Thu, Dec 18, 2014 at 11:59:18AM -0500, maneeshkongara wrote:
>>>>> A table in 2NF is free of Functional Dependencies and a table in 3NF is
>>>>> free of transitive deprecates along with functional dependencies.
>>>>> On Dec 18, 2014 11:56 AM, "Ruben Safir" wrote:
>>>>>
>>>>>> what exactly is the difference between the 2nd and 3rd NF
>>>>>>
>>>>>> Ruben
>>>>>>
>>>>>> On Thu, Dec 18, 2014 at 11:09:16AM -0500, Ruben Safir wrote:
>>>>>>> is a foriegn key a dependedncy for a relation with a seperae primary
>>>>>>> key?
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> Like Course has a cno primary and a deptno foreign key.
>>>>>>>
>>>>>>>
>>>>>>> On Thu, Dec 18, 2014 at 10:50:31AM -0500, Sergei Glikstein wrote:
>>>>>>>> where is that?
>>>>>>>>
>>>>>>>> On Thu, Dec 18, 2014 at 10:45 AM, Ruben Safir
>>>>>> wrote:
>>>>>>>>> On Thu, Dec 18, 2014 at 10:39:29AM -0500, Sergei Glikstein wrote:
>>>>>>>>>> i am in the library upstairs
>>>>>>>>>>
>>>>>>>>>> On Thu, Dec 18, 2014 at 10:34 AM, Ruben Safir <
>>>> mrbrklyn-at-panix.com>
>>>>>>>>> wrote:
>>>>>>>>>>> Anyone want to review normalization?
>>>>>>>>>>>
>>>>>>>>>>> Ruben
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>> why not come here so I can pick your brain without distractions
>>>> and
>>>>>> with
>>>>>>>>> a network that functions.
>>>>>>>>>
>>>>>>>>> Everytime i go to that damn libvrary i waste my time
>>>>>>>>>
>>>>>>>>> Ruben
>>>>>>>>>
>>>>>>>>> BTW - you know IRC - xchat?
>>>>>>>>>
>>>>>>>>> Ruben
>>>>>>>>>
>>>>>>>>>
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