Capabilities for DB2 for i

Last updated on May 07, 2021

Contents

This section lists the Capabilities of HVR when using 'DB2 for i'. For more information about the pre-requisites, access privileges, and other configuration requirements, see Requirements for DB2 for i.

Capture

HVR supports the following capabilities on DB2 for i:

  • Capture changes from location (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture (capture from DBMS logging system) (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture of tables without a primary key (DB2 for i from version 7.2 to version 7.4).
  • Access to logs using SQL interface (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture of tables with LOB column (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture from hidden rowid/RRN column (ColumnProperties /CaptureFromRowId) (DB2 for i from version 7.2 to version 7.4, since HVR 5.7.0/0).
  • Rewind log-based capture to specific time (Hvrinit option -i) (DB2 for i from version 7.2 to version 7.4).
  • Online refresh using accurate LSN/SCN (DB2 for i from version 7.2 to version 7.4, since HVR 5.3.1/12).
  • Populates column hvr_cap_user for use in ColumnProperties {hvr_cap_user} substitutions (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture of truncate table statements (DB2 for i from version 7.2 to version 7.4, support depends on system setting).
  • Multiple log-based capture jobs can capture from same database (DB2 for i from version 7.2 to version 7.4).
  • Log-based capture checkpointing (action Capture /CheckpointingFrequency) (DB2 for i from version 7.2 to version 7.4).

HVR does not support the following capabilities on DB2 for i:

  • Capture from Archive log files only.
  • Direct access to logs on a file system.
  • Rewind log-based capture to the beginning of currently active oldest transaction.
  • Capture from tables with basic compression.
  • Hvrlogrelease to preserve journal/archives.
  • Read archives from an alternative directory (Capture /ArchiveLogPath).
  • Trigger-based capture (action Capture /TriggerBased).

Hub Database

HVR supports Hub database on DB2 for i.

Integrate

HVR supports the following capabilities on DB2 for i:

  • Integrate changes into location (DB2 for i from version 7.2 to version 7.4).
  • Integrate with /Burst (DB2 for i from version 7.2 to version 7.4).
  • Integrate with /BurstCommitFrequency (DB2 for i from version 7.2 to version 7.4).
  • Continuous integration (Integrate without /Burst) (DB2 for i from version 7.2 to version 7.4).
  • Action TableProperties with /DuplicateRows for continuous integration (DB2 for i from version 7.2 to version 7.4).
  • Continuous Integrate with /OnErrorSaveFailed (without /Burst) (DB2 for i from version 7.2 to version 7.4).
  • Action Transform /SoftDelete (DB2 for i from version 7.2 to version 7.4).
  • Creation and update of HVR state tables (DB2 for i from version 7.0 to version 7.4).

HVR does not support the following capabilities on DB2 for i:

  • Disable/enable database triggers during Integrate (/NoTriggerFiring).
  • Integrate with /DbProc.

Bi-directional Replication

HVR supports the following capabilities on DB2 for i:

  • Detection of changes made by HVR in a bidirectional channel to prevent loop-back (DB2 for i from version 7.2 to version 7.4).
  • CollisionDetect with /TimestampColumn (DB2 for i from version 7.2 to version 7.4).

HVR does not support the following capabilities on DB2 for i:

Refresh and Compare

HVR supports the following capabilities on DB2 for i:

  • Hvrrefresh or Hvrcompare from source location (DB2 for i from version 7.0 to version 7.4).
  • Hvrrefresh into target location (DB2 for i from version 7.0 to version 7.4).
  • Row-wise Hvrrefresh into target location (option -g) (DB2 for i from version 7.0 to version 7.4).

Other Capabilities

HVR supports the following capabilities on DB2 for i:

  • International table and column names where DBMS is not configured with UTF-8 encoding (DB2 for i from version 7.0 to version 7.4).
  • Treat DBMS table names and columns case sensitive (action LocationProperties /CaseSensitiveNames) (DB2 for i from version 7.0 to version 7.4, since HVR 5.6.5/1).

HVR does not support the following capabilities on DB2 for i:

  • Use distribution key for parallelizing changes within a table (ColumnProperties /DistributionKey).
  • Distinguish and support capture from 'materialized views'.