Greenplum is the worlds first open-source massively parallel processing database based on PostgreSQL.
Anyone knows how to perform such query in Postgresql? SELECT * FROM tabA WHERE NOT EXISTS ( SELECT * FROM tabB WHERE tabB.…
postgresql greenplumI am currently working in a few projects with MongoDB and Apache Cassandra respectively. I am also using Solr a …
mongodb cassandra data-warehouse vertica greenplumI'd like to use your wisdom for picking up the right solution for a data-warehouse system. Here are some details …
database mapreduce data-warehouse greenplum vldbWhat are the arguments for and against using Greenplum instead of PostgreSQL in a webapp (django) environment? My gut reaction …
sql database django postgresql greenplumI need to calculate percentages of various dimensions in a table. I'd like to simplify things by using window functions …
sql postgresql aggregate-functions window-functions greenplumSay I run the following query on psql: > select a.c1, b.c2 into temp_table from db.A …
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