Netezza

IBM Netezza is a data warehouse, available both via hardware platform (appliance) and a cloud-native platform.

Netezza was based on PostgreSQL 7.2, but did not maintain compatibility.

Greenplum

data types we support

Integral
bigint
int
decimal
decimal
double
float
text
ntext
Binary
binary (graphic)
varbinary (varbin, binary varying)
Date/Time
timestamp
Large objects
byte array
ntext
Other
boolean
timespan