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Programming Share, tanya jawab, saling bantu antar programmer dengan berbagai macam bahasa pemrograman.

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Old 20th November 2011
JagoVB JagoVB is offline
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JagoVB mempunyai hidup yang Normal
Default {ASK} Database social network design / friendlist

gan , mau nanya nih ttg jalannya design database friendlist ajah..



dapet tugas dari kampus soalnya hehe..



kan tadi abis searching di google.. akhirnya ane dapet pencerahan dikit..



misal :



user table

----------

uid

username

password

---------



friend table

----------

userid1( foreign key dari uid )

userid2 ( foreign key juga dari uid )

status ( block , accept , pending, dll )

----------



nah ini yang ane dapet dari google...



tapi bingung jalaninnya



klo misal :

user table

----------

uid email password

1 [email protected] aaaaa

2 [email protected] bbbbb

3 [email protected] ccccc

-----------



friend table

------------

userid1 userid2 status

1 2 accept

1 3 accept

2 3 accept

------------



nah yang ane tanyain

biar userid1 ama userid2 ga perlu jadi 2 kali penulisan klo berteman... misal



1,2 atau 2,1



gimana ? jadi cuman butuh 1,2 ajah useridnya ...



masih bingung ane gan



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