16.20 - ASCII - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL Data Definition Language Syntax and Examples

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Language
English (United States)
Last Update
2019-05-24
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HOST.
The collation is ASCII for configurations other than an IBM mainframe-attached host.
In this case, ASCII refers to the Teradata extension to the ASCII standard.

Example: Setting a Session to Use the ASCII Collation Sequence

A session can be set to ASCII collation as follows.

     SET SESSION COLLATION ASCII; 

Example: Effect of the ASCII Collation Sequence on SQL Report Output

The session collation is set to ASCII. Assuming that job_rept contains alphanumeric data, a SELECT that requests a sorted return, as follows.

     SELECT emp_no, jobid 
     FROM job_rept 
     ORDER BY job_id;

This request produces the following report, sorting job_id in ascending order.

     EmpNo       JobId
     ------    --------
     10201      1001-AP2
     10201      1032-AR3
     10201      1031-AR2
     10004      ENG-0002
     10016      ENG-0002
     10004      ENG-0003
     10003      OE1-0001
     10001      PAY-0002