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distributed-database-middle.../umn/source/service_overview/usage_constraints/high-risk_operations.rst
proposalbot 78ac771d84 Changes to ddm_umn from docs/doc-exports#613 (DDM UMN 1st version 
DDM UMN 1st v

Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: proposalbot <proposalbot@otc-service.com>
Co-committed-by: proposalbot <proposalbot@otc-service.com>
2024-01-08 13:37:20 +00:00

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ddm_01_0175.html

High-risk Operations

Pay attention to the following when you use DDM:

  • Do not connect to any data node for data operations to avoid deleting by mistake system catalogs or metadata.
  • Do not clear system tables TBL_DRDS_TABLE and MYCAT_SEQUENCE to prevent metadata loss.