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Limitations and considerations

The following limitations apply:

  • Sybase ASE primary/standby configuration is supported with the publish-and-subscribe model only (i.e. Warm standby/MSA is not supported).

  • Only one Qlik Replicate task can be run per SAP Sybase ASE database.
  • Rename table is not supported (e.g. sp_rename 'Sales.SalesRegion', 'SalesReg;)
  • Rename column is not supported (e.g. sp_rename 'Sales.Sales.Region', 'RegID', 'COLUMN';)
  • Zero values located at the end of binary data type strings are truncated when replicated to the target database. For example, 0x0000000000000000000000000100000100000000 in the source table will become 0x00000000000000000000000001000001 in the target table.
  • The reorg rebuild index command is not supported.
  • Clusters are not supported.
  • Materialized views are not supported.
  • Data capture from partitions is only supported from Sybase ASE 15 or later.

  • Merge operations performed during CDC will result in an non-recoverable error.
  • The WRITETEXT statement is not supported as it may result in duplicate (or more) inserts on the target.
  • The Replicate AR_H_USER header column is not supported for database changes performed in auto-commit mode. For these changes, the header column will be empty.

  • Rollback trigger on datarow locked tables is not supported.

  • Replicating data with 4-byte emoji characters is not supported.

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