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Multi load tasks in TeraData

14 October, 2020

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Multi load tasks

There are 2 types of Task  

A) IMPORT TASK

  1. It performs, inserts, update, Delete, And upsert operation
  2. Max 5 Tables it operates, it Runs in 5 phase it uses
  3. Apply command for its operations
  4. Its operations are based on PI, But it cannot update the PI

B) Delete Task

  1. It Deletes the data only one table
  2. It is faster than import delete because it is global all Amp delete
  3. Deletion Based on UPI Not allowed
  4. Delete Task does not Require an AQuision phase, so it Runs in 4 phases
  5. A Simple delete Tag is submitted to each Amp so that is Global all amp delete[Import delete does not satisfy this]

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IMPORT TASK

Import task      

DELETE TASK

Delete task    

MLOAD Delete

.RUN FILE C:BTEQConn.txt;

.LOGTABLE VINAYAKA.PLOG;

DATABASE VINAYAKA;

.IF’$SYSDAY’ NE’FRI’THEN

.Display ’TODAY IS NOT FRIDAY, SO LOAD IS NOT HAPPENING’

TO File c:Data—LogTROCKFILE.TXT;

.END IF;

.BEGIN DELETE MLOAD TABLES PARTY111;

DELETE FROM PARTY111;

.END MLOAD;

.LOGOFF; *Check TEMPORAL TABLE

TEM PORAL, DATA MOVER TABLE    

For an in-depth knowledge click on below

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