On 09/10/2013, at 8:39 PM, raghu ram <raghuchenn...@gmail.com> wrote:
> > On Mon, Oct 7, 2013 at 8:32 PM, sunpeng <blueva...@gmail.com> wrote: > Hi, Friends, are there any ETL tools (free or commercial) available for > PostgreSQL? > > > ETL Tools for PostgreSQL:: > > Definition: An ETL process data to load into the database from a flat file > > A. Extract > B. Transform > C. Load > > 1. PGLoader - Load .csv file > 2. Benetl 1.8 - Load .txt or .csv or .xls file > 3. Talend Open Studio => http://www.talend.com/index.php > 4. Pentaho Kettle => http://kettle.pentaho.com/ > 5. Visual Importer => Data can be imported from flat files,Excel.MS > Access,Oracle.Mysql.Interbase,PostgreSQL,oleDB,ODBC and DBF files. > 6. CloverETL => http://en.wikipedia.org/wiki/CloverETL > > Both [3 &4] of these ETL solutions have a lot of the same types of features: > > Both are Java based and run on Linux and Windows (Talend is Eclipse-based) > Visual designers for creating the transformations > Connectivity for a myriad of databases, including all the big DBs, text > formats, etc. > Supports distributing jobs across multiple servers if you are doing serious > lifting > Excellent error handling and error notification systems > Active and helpful forums (Kettle is older and seems to have a larger > community however) > Free and open source > They are complex enough to handle a lot of tasks, but not so much as to kill > you > There are versions of both (GeoKettle and Spatial Data Integrator) that are > tailored for GIS Not exactly an ETL tool, but I've recently felt a sense of liberation since switching to make/python/psql/wget... for my ETL needs. Make is probably the cornerstone as it handles dependencies (think foreign key ordering with schema introspection) and parallel loading in a very intuitive way. Cheers, Tony
