Tommy Pham wrote: > > As for spatial data types, I've never find much use for non scientific > related. (example) If using point as a PK, if MySQL stores it the > same way as PostgreSQL which is 16 bytes, how is that any different - > performance wise - than using UUID and storing it as binary(16) for > MySQL or uniqueidentifier (16 bytes) for PostgreSQL? > it's all about the indexing (R-Tree) http://en.wikipedia.org/wiki/R-tree -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php