[GRASSLIST:7082] databases

Jason Horn jhorn at bu.edu
Wed Jun 8 12:27:10 EDT 2005

Hi everyone,

I've just stumbled into the topic of using databases linked with  
GRASS.  I'd like to start using mySQL to store and manage spatial  
data, but in spite of all the reading I've done (Tutorials, GRASS  
Wiki, etc), it is still unclear to me what exactly can and can not be  
stored in databases, and how.  For those of you with experience, can  
you point me in the right direction?  I have lots of experience with  
mySQL, so I'm comfortable with that topic. Here are my basic questions:

1) Does having data in a database mean that it does not need to also  
be stored in GRASS files?

2) Can any GRASS vector data be stored in a database, or is it just  

3) How is GRASS vector data put into a database? For example, I  
download a vector file for county boundaries from a state agency  
(polygons).  I can easily import this into GRASS.  Now what?  Many of  
the tutorials focus on querying the database, but how to I load the  
data into the db table in the first place?

Thanks in advance for any assistance.

- Jason

Jason Horn
Boston University Department of Biology
5 Cumington Street  Boston, MA 02215

jhorn at bu.edu
office: 617 353 6987
cell: 401 588 2766

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