Oh yeah, forgot to mention that. Yes, one event will have multiple
categories. And one category can be applicable to multiple events.
On Tue, Mar 1, 2011 at 8:33 PM, Dhaval Jaiswal <
jaiswal.dha...@enzenglobal.com> wrote:
>
> Just curious as it is not mentioned. Can Category ID also have multiple
> event id ?
>
>
> --
> Cheers
> Dhaval Jaiswal
>
>
> On 01/03/2011 5:53 PM, Wagyu Beef wrote:
>
>> Hey guys,
>>
>> Am a newbie here and need a little help.
>>
>> Part of the database consists of two tables "events" and "categories"
>> which
>> look like this
>>
>> +---+-+
>> | eventID | eventName |
>> +---+-+
>> | 1 | Event A |
>> | 2 | Event B |
>> | 3 | Event C |
>> +---+-+
>> Primary Key: eventID
>>
>> +---+-+
>> | categoryID | categoryName |
>> +---+-+
>> | 1 | Category A |
>> | 2 | Category B |
>> | 3 | Category C |
>> +---+-+
>>
>> Primary Key: categoryID
>>
>>
>> The idea is that an event may have multiple categories and from what I've
>> read here (http://lists.mysql.com/mysql/171645), many-to-many
>> relationships
>> in the database should be avoid. According to the link and a couple of
>> others I found, I'm supposed to create a separate "events_categories"
>> table
>> and make linkages using a Foreign Key. Am not sure how to translate this
>> to
>> a SQL query. Can I get some help.
>>
>> Thanks a million!
>>
>> Regards,
>> Suren
>>
>>
>>
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