PostGIS/PostgreSQL vs. MySql vs. SQL Server
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http://stackoverflow.com/questions/3743632/gis-postgis-postgresql-vs-mysql-vs-sql-server
What database is best for the underlying data store for all this data? Here’s my desires:
- I’m familiar with the DBMS. I’m weakest with PostgreSQL, but I am
willing to learn if everything else checks out.
It does well with GIS
queries. Google searches suggest that PostgreSQL + PostGIS may be the
strongest? At least a lot of products seem to use it. MySql’s Spatial
Extensions seem comparatively minimal? Low cost. Despite the 10GB DB
limit in SQL Server Express 2008 R2, I’m not sure I want to live with
this and other limitations of the free version. Not antagonistic with
Microsoft .NET Framework. Thanks to Connector/Net 6.3.4, MySql works
well C# and .NET Framework 4 programs. It fully supports .NET 4’s
Entity Framework. I cannot find any noncommercial PostgreSQL
equivalent, although I’m not opposed to paying $180 for Devart’s
dotConnect for PostgreSQL Professional Edition. Compatible with R. It
appears all 3 of these can talk with R using ODBC, so may not be an
issue.
I’ve already done some development using MySql, but I can change if necessary
If you are interested in a thorough comparison, I recommend “Cross Compare SQL Server 2008 Spatial, PostgreSQL/PostGIS 1.3-1.4, MySQL 5-6” and/or “Compare SQL Server 2008 R2, Oracle 11G R2, PostgreSQL/PostGIS 1.5 Spatial Features” by Boston GIS.
Considering your points:
I’m familiar with the DBMS: setting up a PostGIS database on Windows is easy, using PgAdmin3 management is straight-forward too
It does well with GIS queries: PostGIS is definitely strongest of the three, only Oracle Spatial would be comparable but is disqualified if you consider it’s costs
Low cost: +1 for PostGIS for sure
Not antagonistic with Microsoft .NET Framework: You should at least be able to connect via ODBC (see Postgres wiki)
Compatible with R: shouldn’t be a problem with any of the three
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