2.06 - Known Limitations - Teradata QueryGrid

Teradata® QueryGrid™ Release Definition

prodname
Teradata QueryGrid
vrm_release
2.06
created_date
September 2018
category
Release Notes
featnum
B035-5992-078C

Presto Connector

  • The maximum import and export support for LOB data is 1.5 GB due to Presto limitations.

Oracle Connector

  • The maximum import and export value for VARCHAR and NVARCHAR2 is 4000 characters, even when MAX_STRING_SIZE is larger.
  • When importing or exporting CLOB or LOB, allocate additional memory to the driver process if needed. On the QueryGrid Manager server, use /opt/teradata/tdqgm/bin/system-properties.sh to set the value in the driverMaxHeapSizeMB property.