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Purpose

The purpose of this page is to clarify the understanding of  Database Tables for Background Processing system. 

 

Database Tables

-TBTCO
This table is often called the batch main table. Each batch job has exactly one entry in this table.
 

-TBTCP

Job steps data are stored in TBTCP. There is a 1:n relationship between TBTCO and TBTCP. TBTCP contains one entry for each job step.
 

-TBTCS

This table contains information of all time based jobs, which have not started yet (time based job = job, with start condition ‘date and time’). There is one entry for each such job. The so called time scheduler, which is a part of the batch runtime system, select jobs from this table in small periods of time and start it.
 

-BTCEVTJOB

Similar to TBTCS table, This table contains information of each event based job, which is still ‘waiting’ for its event to start.
 

-TBTCCNTXT

This table is used for storing the application specific return code of a job and the parent child information of jobs.
 

-BTCCTL

Certain activities of the batch runtime system are recorded in this table.
For example: the time stamp of the last execution of the time scheduler and event scheduler.
 

-BTCOPTIONS

The table BTCOPTIONS can be considered as a configuration table

 

 You can find more details from SE12&SE16 transaction.

 

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