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 (location property Capture_Method=DB_TRIGGER on the capture location).

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).