Re: [Rails] add_index question

2011-07-07 Thread Paulo Muggler Moreira
When you want to look up a specific word in a 500-page paper tome, where do you look? That's the same idea as database indexes =) On Thu, Jul 7, 2011 at 09:04, Walter Lee Davis wrote: > > On Jul 7, 2011, at 7:28 AM, Rodrigo Ruiz wrote: > > What is add_index for? >> >> Someone told me it was to

Re: [Rails] add_index question

2011-07-07 Thread Walter Lee Davis
On Jul 7, 2011, at 7:28 AM, Rodrigo Ruiz wrote: What is add_index for? Someone told me it was to add indexes to the database, but I still dont know what indexes are... first I thought they where other columns of the table, but apparently not. Indexes are a feature of the relational datab

[Rails] add_index question

2011-07-07 Thread Rodrigo Ruiz
What is add_index for? Someone told me it was to add indexes to the database, but I still dont know what indexes are... first I thought they where other columns of the table, but apparently not. Thank you for the help, Rodrigo -- You received this message because you are subscribed to the Googl