Обсуждение: normalization problem

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normalization problem

От
"pooja agarwal"
Дата:
Hello ,
 
I am doing Masters in Computer Application from Allahabad ( India ).
Your article on normalization is very informative.However, I have a
problem relating to this topic, whose table I am unable to
correctly make.
 
I am mailing you the problem.I hope you don't mind.
This database is used for searching of party or rules on the basis of either judge's name,judgement date,act as reference
or citation.
   

 

Type

Party

Act

Judge_name

Judgement_date

Citation

Direct tax

  A

 IT Act

PK

1

4

Direct tax

  B

WT Act

PK

2

5

Direct tax

  A

WT Act

SK

1

4

Direct tax

  D

 IT   Act

KIP

3

6

Company law

  C

MRTP Act

PK

1

7

Company law

 C

Labour  Act

YK

1

7

Company law

  F

Labour law

KIP

3

8

 

 

Citation

Publication

Year

Volume

 

Page

 

  4

AIR

1999

1

34

  4

CTR

1999

2

65

  5

AIR

1999

1

65

  5

CTR

1999

3

30

  6

AIR

2000

2

100

  6

CTR

2000

5

34

7

AIR

1999

4

70

 

  

Judgement_date

Year

Month

Date

1

1999

Jan

26

2

1999

March

30

3

2000

July

26

                     

                           

                                   

                                  

 

 

Act

Section

Rule

IT Act

   1

R1

IT Act

   2

R2

WT Act

   1

R3

 

 

 

 

 

                               

As you can see, these tables are related to each other on the basis of some common

field and the attributes have in most cases either one to many or many to many relation.

Kindly, help me sovle this problem.

 

Hoping to receive your reply at the earliest,

thanking you,

pooja

Re: normalization problem

От
Michael Davis
Дата:
What problem are you trying to solve?  

Michael Davis
Database Architect and Senior Software Engineer, Seva Inc.
Email:        mdavis@sevainc.com


-----Original Message-----
From:    pooja agarwal [SMTP:jussna@sancharnet.in]
Sent:    Sunday, October 07, 2001 12:06 AM
To:    pgsql-interfaces@postgresql.org
Subject:    normalization problem
<< File: ATT00070.htm >> Hello ,

I am doing Masters in Computer Application from Allahabad ( India ).
Your article on normalization is very informative.However, I have a 
problem relating to this topic, whose table I am unable to 
correctly make.

I am mailing you the problem.I hope you don't mind.
This database is used for searching of party or rules on the basis of either judge's name,judgement date,act as
reference
or citation.       Type    Party    Act    Judge_name    Judgement_date    Citation          Direct tax      A     IT
Act   PK    1    4         Direct tax      B    WT Act    PK    2    5         Direct tax      A    WT Act    SK    1
4         Direct tax      D     IT   Act    KIP    3    6         Company law      C    MRTP Act    PK    1    7
Company law     C    Labour  Act    YK    1    7         Company law      F    Labour law    KIP    3    8
    
 



     Citation     Publication    Year     Volume 
          Page 
                 4    AIR    1999    1    34           4    CTR    1999    2    65           5    AIR    1999    1
65          5    CTR    1999    3    30           6    AIR    2000    2    100           6    CTR    2000    5    34
          7          
 
    AIR    1999    4    70    

 
     Judgement_date    Year    Month    Date          1    1999    Jan     26         2    1999    March     30
3   2000    July     26                         
 
                           
                                   
                                  




     Act    Section    Rule         IT Act       1    R1         IT Act       2    R2         WT Act        1    R3











                              

As you can see, these tables are related to each other on the basis of some common 

field and the attributes have in most cases either one to many or many to many relation.

Kindly, help me sovle this problem.



Hoping to receive your reply at the earliest,

thanking you,

pooja