Capabilities for Db2 for z/OS
This section lists the Capabilities of Fivetran HVR when using 'Db2 for z/OS'. For more information about the pre-requisites, access privileges, and other configuration requirements, see Db2 for z/OS Requirements.
Capture
HVR supports the following capabilities on Db2 for z/OS:
- Capture changes from location (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Log-based capture (capture from DBMS logging system) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Log-based capture of tables without a primary key (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Access to logs using SQL interface (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Log-based capture of tables with LOB column (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Rewind log-based capture to specific time (hvractivate option -i) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Populates column hvr_cap_user for use in ColumnProperties {hvr_cap_user} substitutions (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Log-based capture of truncate table statements (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Multiple log-based capture jobs can capture from same database (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Capture from tables with compress yes fixedlength (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Capture from tables with compress yes huffman (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Log-based capture checkpointing using location property Capture_Checkpoint_Frequency (Db2 for z/OS from version 11.01.05 to version 13.01.05).
HVR does not support the following capabilities on Db2 for z/OS:
- Capture from Archive log files only.
- Direct access to logs on a file system.
- Log-based capture from hidden rowid/RRN column (ColumnProperties with parameter CaptureFromRowId).
- Rewind log-based capture to the beginning of currently active oldest transaction.
- Online refresh using accurate LSN/SCN.
- Read archives from an alternative directory (location property Archive_Log_Path on the capture location).
- Trigger-based capture (using the location property Capture_Method=DB_TRIGGER at the capture location). This method has been deprecated since 6.2.0/0..
Repository Database
HVR does not support Repository database on Db2 for z/OS.
Integrate
HVR supports the following capabilities on Db2 for z/OS:
- Integrate changes into location (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Burst integration (Integrate with parameter Method=BURST) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Integrate with parameter BurstCommitFrequency (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Continuous integration (Integrate with parameter Method=CONTINUOUS) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Tables without a key and without TableProperties with NoDuplicateRows for continuous integration (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Continuous integrate with parameter OnErrorSaveFailed (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- ColumnProperties with parameter SoftDelete (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Creation and update of HVR state tables (Db2 for z/OS from version 11.01.05 to version 13.01.05).
HVR does not support the following capabilities on Db2 for z/OS:
- Disable/enable database triggers during integrate (with parameter NoTriggerFiring).
- Integrate with parameter DbProc.
Bi-directional Replication
HVR supports the following capabilities on Db2 for z/OS:
- Detection of changes made by HVR in a bidirectional channel to prevent loop-back (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- CollisionDetect with parameter TimestampColumn (Db2 for z/OS from version 11.01.05 to version 13.01.05).
HVR does not support the following capabilities on Db2 for z/OS:
- CollisionDetect with Log-based Capture (without parameter TimestampColumn).
Refresh and Compare
HVR supports the following capabilities on Db2 for z/OS:
- hvrrefresh or hvrcompare from source location (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- hvrrefresh into target location (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Row-wise hvrrefresh into target location (option -g) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
Other Capabilities
HVR supports the following capabilities on Db2 for z/OS:
- International table and column names where DBMS is not configured with UTF-8 encoding (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Treat DBMS table names and columns as case sensitive if configured (location property Case_Sensitive_Names) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
- Treat DBMS schema names as case sensitive if configured (location property Case_Sensitive_Names) (Db2 for z/OS from version 11.01.05 to version 13.01.05).
HVR does not support the following capabilities on Db2 for z/OS:
- Use distribution key for parallelizing changes within a table (ColumnProperties with parameter DistributionKey).