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Other Database "template"

Thread began 9/10/2012 10:04 am by SPT | Last modified 9/10/2012 2:02 pm by SPT | 765 views | 2 replies |

SPT

Other Database "template"

I need an empty database to add real estate properties to. With fields for addresses and info type stuff.

What I am wondering is there somewhere that has premade empty databases I can either download for free or purchase? BTW I did search before asking. :)

I always mess up "foreign keys" - if that is the proper terminology - and I have never found a good lesson/software for creation of these keys.

Any suggestions would be greatly appreciated.

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Jason ByrnesWebAssist

the eCommerce database:
ecommerce-database/


is the only empty template that we offer.

you can use this as a starting point to add your own columns to if you like.



What do you mean by:
I always mess up "foreign keys"

in what way do you mess them up?

Theres not really a lot you can do to mess up a foreign key

Foreign keys are columns that create a relation to another table

for example users -> Users Groups
users:
userID - Primary Key
userUserGroupID - relates to usergroups.userGroupID used as foreign key
UserName
etc...

usergroups:
userGroupID - Primary Key
userGroupName

it's not necessary to set the users.userUserGroupID column as a foreign key in the database in order to use it as a foreign key, that is really used for data integrity. In other words, to make sure that you cant delete a usergroup from the database without delete the users first. But with something like a user group this is not really needed, because you may want to define the Supper Admin user level without actually having any supper admins set up yet

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SPT

Thanks Buddy,

It has been a few years since creating my own databases and since I read "Database Design For Mere Mortals".

Creating relations in PHP MyAdmin seems where I got lost and need to read/study up again.
I understand the concept, it is just the implementation that I need to review.

Thanks so much for taking the time to give a great answer.

I thought maybe someone had heard of a place that offered pre-built empty sql databases to save me some time.
I will just add columns to the free Web assist DB.

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