SQL Selector Operator and the Export Operator Compared - Parallel Transporter

Teradata® Parallel Transporter Reference

Product
Parallel Transporter
Release Number
17.00
Published
November 2020
Language
English (United States)
Last Update
2022-02-03
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B035-2436
lifecycle
previous
Product Category
Teradata Tools and Utilities
The main differences between the SQL Selector operator and the Export operator are seen in their performance and feature sets.
  • The Export operator allows multiple sessions and multiple instances to extract data from the database. When exporting a large number of rows, it is usually better to use the Export operator.
  • The SQL Selector operator only allows one session and one instance to extract rows from the database. When exporting a small number of rows, the SQL Selector operator usually performs better than the Export operator.

    The SQL Selector operator support of a single session and a single instance is similar to a BTEQ Export operation.