SAP Knowledge Base Article - Preview

3364482 - Information: Logging tables /1DH/ML* and /1DH/SL* in CDC scenario

Symptom

In DHCDCMON, you see some logging tables:

  • /1DH/ML* -- Master Log table
  • /1DH/SL* -- Subscriber Log table

You're wondering to know more details / logic / usage of these kinds of tables.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.


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Environment

  • SAP S/4HANA
  • SAP S/4HANA Cloud

Product

SAP S/4HANA 1909 ; SAP S/4HANA 2020 ; SAP S/4HANA 2021 ; SAP S/4HANA 2022 ; SAP S/4HANA 2023 ; SAP S/4HANA 2025 ; SAP S/4HANA 2027 ; SAP S/4HANA Cloud Public Edition all versions

Keywords

KBA , BC-DB-CDC , ABAP CDC Engine (Change Data Capture) , Problem

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