Overview
With IBM® Netezza® Performance Server for IBM Cloud Pak® for Data as a Service and watsonx.data you can connect to the Hive Metastore (HMS) which is a data lake metastore server and query from Apache Iceberg tables that live on your data lake S3 object store.
- You must use Apache Iceberg tables with the
parquet
file format. - SELECT and INSERT operations are supported.
- LZ4 data compression format is supported.
- NETEZZA_SCHEMA is the default schema when you connect to a data lake database. It is a regular schema which contains Netezza objects like tables, external tables, and sequences. NETEZZA_SCHEMA, DEFINITON_SCHEMA, and INFORMATION_SCHEMA schema names are all reserved, and schemas of those names in the metastore are not exposed to NPSaaS users.
- The following datatypes are not supported:
timestamptz
uuid
struct
list
map
Use cases for watsonx.data include: