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gp_version_at_initdb

The gp_version_at_initdb table is populated on the master and each segment in the Greenplum Database system. It identifies the version of Greenplum Database used when the system was first initialized. This table is defined in the pg_global tablespace, meaning it is globally shared across all databases in the system.

Table 1. pg_catalog.gp_version
column	type	references	description
`schemaversion`	integer		Schema version number.
`productversion`	text		Product version number.