doc-exports/docs/ddm/umn/ddm_01_0175.html
Ru, Li Yi 4b09a03a51 ddm_umn
Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: Ru, Li Yi <liyiru7@huawei.com>
Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
2024-04-11 11:39:26 +00:00

814 B

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.