Message type: E = Error
Message class: RSCV - Analysis of BW objects (InfoCubes...)
Message number: 593
Message text: DB2/UDB: Clustering of table &1 is not correct
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
An error occurred during activation of the table &V1& .
In general, clustering improves the performance of read access to a
table. Two types of clustering are supported: you can select index
clusters in InfoCube maintenance under <ZK>Extras </>-> <ZK>DB
Performance</> -> <ZK>Clustering .</>
The current clustering of the database table is not correct or there is
no clustering of the database table. For example a clustering index is
missing or the number/selection of MDC columns is not correct.
Activate the InfoCube again and check whether errors occurred during
activation.
If the InfoCube already contains data and you want to change the
clustering, you have to use reclustering. You can find this function in
InfoCube maintenance under <LS>More Functions -> Reclustering</> or in
the Data Warehousing Workbench in the function area <LS>Administration
-> Reclustering</>.
Error message extract from SAP system. Copyright SAP SE.
RSCV593
- DB2/UDB: Clustering of table &1 is not correct ?The SAP error message RSCV593 indicates that there is an issue with the clustering of a table in a DB2/UDB database. This error typically arises when the physical storage of the table's data does not match the expected clustering order, which can lead to performance issues and inefficient data retrieval.
Cause: The primary causes of this error can include: Data Insertion/Deletion: Frequent insertions and deletions can lead to fragmentation, causing the data to be stored in a non-clustered manner. Improper Indexing: If the table is not indexed correctly, it can lead to inefficient data access patterns. Database Maintenance: Lack of regular maintenance tasks such as reorganization or re-indexing can contribute to clustering issues. Changes in Data Volume: Significant changes in the volume of data can affect how data is clustered.
Solution: To resolve the RSCV593 error, you can take the following steps: Reorganize the Table: Use the DB2 command to reorganize the table. This can help to restore the clustering
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