Re: ?difference between Primary Key, Key, Index, Unique

2001-02-25 Thread Bob Hall
On Sat, Feb 24, 2001 at 09:43:45AM -0700, Karl Stubsjoen wrote: I'm trying to understand MySQL indexing but am having trouble understanding the differnences (and when to use each) between Primary Key, Key, Unique, an Index. Can you help? Index and Key are the same. A Primary Key is

?difference between Primary Key, Key, Index, Unique

2001-02-24 Thread Karl Stubsjoen
Hello, I'm trying to understand MySQL indexing but am having trouble understanding the differnences (and when to use each) between Primary Key, Key, Unique, an Index. Can you help? Thank you!

Re: ?difference between Primary Key, Key, Index, Unique

2001-02-24 Thread Jeremy D. Zawodny
On Sat, Feb 24, 2001 at 09:43:45AM -0700, Karl Stubsjoen wrote: I'm trying to understand MySQL indexing but am having trouble understanding the differnences (and when to use each) between Primary Key, Key, Unique, an Index. Can you help? Index and Key are the same. A Primary Key is a