16.20 - Example: Setting a Query Band for the Current Transaction for a Multistatement Request in a Trusted Session - 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
dita:mapPath
wkf1512081455740.ditamap
dita:ditavalPath
TD_DBS_16_20_Update1.ditaval

If PROXYUSER and PROXYROLE are set in a query band, the system enforces the privileges for the trusted session to validate the privileges of the individual statements in the multistatement request.

In this example, proxy user pxyuser3 must have the SELECT privilege on taba, tabb, and tabc.

     SET QUERY_BAND = 'PROXYUSER=pxyuser3;' FOR TRANSACTION
     ;SELECT * FROM qbuser.taba
     ;SELECT * FROM qbuser.tabb
     ;SELECT * FROM qbuser.tabc;