Capabilities for Oracle

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

Capture

HVR supports the following capabilities on Oracle:

• Capture changes from location (Oracle from version 11.1 to version 21.3).
• Log-based capture (capture from DBMS logging system) (Oracle from version 11.1 to version 21.3).
• Capture from Archive log files only (Oracle from version 11.1 to version 21.3, except on Amazon RDS for Oracle).
• Log-based capture of tables without a primary key (Oracle from version 11.1 to version 21.3).
• Direct access to logs on a file system (Oracle from version 11.1 to version 21.3, except on Amazon RDS for Oracle).
• Access to logs using SQL interface (Oracle from version 11.2.0.3 to version 21.3).
• Log-based capture of tables with LOB column (Oracle from version 11.1 to version 21.3).
• Log-based capture from hidden rowid/RRN column (ColumnProperties with parameter CaptureFromRowId) (Oracle from version 11.1 to version 21.3).
• Rewind log-based capture to specific time (hvractivate option -i) (Oracle from version 11.1 to version 21.3).
• Rewind log-based capture to the beginning of currently active oldest transaction (Oracle from version 11.1 to version 21.3).
• Online refresh using accurate LSN/SCN (Oracle from version 11.1 to version 21.3).
• Online refresh skips capture log records early in scanner (Oracle from version 11.1 to version 21.3).
• Populates column hvr_cap_user for use in ColumnProperties {hvr_cap_user} substitutions (Oracle from version 11.1 to version 21.3).
• Log-based capture of truncate table statements (Oracle from version 11.1 to version 21.3).
• Multiple log-based capture jobs can capture from same database (Oracle from version 11.1 to version 21.3).
• Capture from tables with basic compression (Oracle from version 11.2.0.4 to version 21.3).
• Capture from tables with compress for all operations' or 'create index ... compress (Oracle from version 11.2.0.4 to version 21.3).
• Capture from tables with lob(...) store as securefile ( deduplicate compress ) (Oracle from version 11.2.0.4 to version 21.3).
• Capture from tables with advanced index compression (Oracle from version 12.2 to version 21.3).
• Capture from tables with advanced row compression (Oracle from version 12.0 to version 21.3).
• Capture from tables with hybrid columnar compression (Oracle from version 11.1 to version 21.3).
• Log-based capture checkpointing using location property Capture_Checkpoint_Frequency (Oracle from version 11.1 to version 21.3).
• Read archives from an alternative directory (location property Archive_Log_Path on the capture location) (Oracle from version 11.1 to version 21.3).
• 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. (Oracle from version 11.1 to version 21.3).
• Location property Trigger_Quick_Toggle on the capture location (Oracle from version 11.1 to version 21.3).
• Boundaries between transactions preserved by trigger-based capture (Oracle from version 11.1 to version 21.3).
• Trigger-based capture jobs can be woken by db-event when change happens (Oracle from version 11.1 to version 21.3).

Repository Database

HVR supports Repository database on Oracle.

Integrate

HVR supports the following capabilities on Oracle:

• Integrate changes into location (Oracle from version 11.1 to version 21.3).
• Burst integration (Integrate with parameter Method=BURST) (Oracle from version 11.1 to version 21.3).
• Integrate with parameter BurstCommitFrequency (Oracle from version 11.1 to version 21.3).
• Continuous integration (Integrate with parameter Method=CONTINUOUS) (Oracle from version 11.1 to version 21.3).
• Tables without a key and without TableProperties with NoDuplicateRows for continuous integration (Oracle from version 11.1 to version 21.3).
• Continuous integrate with parameter OnErrorSaveFailed (Oracle from version 11.1 to version 21.3).
• ColumnProperties with parameter SoftDelete (Oracle from version 11.1 to version 21.3).
• Creation and update of HVR state tables (Oracle from version 11.1 to version 21.3).
• Integrate with parameter DbProc (Oracle from version 11.1 to version 21.3).

HVR does not support the following capabilities on Oracle:

• Disable/enable database triggers during integrate (with parameter NoTriggerFiring).

Bi-directional Replication

HVR supports the following capabilities on Oracle:

• Detection of changes made by HVR in a bidirectional channel to prevent loop-back (Oracle from version 11.1 to version 21.3).
• CollisionDetect with Log-based Capture (without parameter TimestampColumn) (Oracle from version 11.1 to version 21.3).
• CollisionDetect with Trigger-based Capture (with location property Capture_Method=DB_TRIGGER on the capture location and CollisionDetect without parameter TimestampColumn) (Oracle from version 11.1 to version 21.3).
• CollisionDetect with parameter TimestampColumn (Oracle from version 11.1 to version 21.3).

Refresh and Compare

HVR supports the following capabilities on Oracle:

• hvrrefresh or hvrcompare from source location (Oracle from version 11.1 to version 21.3).
• hvrrefresh into target location (Oracle from version 11.1 to version 21.3).
• Row-wise hvrrefresh into target location (option -g) (Oracle from version 11.1 to version 21.3).
• Disable/enable foreign keys and secondary indices during hvrrefresh (option -F) (Oracle from version 11.1 to version 21.3).
• Disable/enable constraints check during hvrrefresh (Oracle from version 11.1 to version 21.3).
• Disable/enable triggers during hvrrefresh (option -f) (Oracle from version 11.1 to version 21.3).
• Replicate database sequences (using action DbSequence) (Oracle from version 11.1 to version 21.3).
• Suggestions in the UI for Slice Boundaries using DBMS statistics (hvrrefresh option -S) (Oracle from version 11.1 to version 21.3).
• Select data from each table from same consistent moment in time (hvrrefresh options -Mnow, -Mscn=val, -Mhvr_tx_seq=val, -Mtime) (Oracle from version 11.1 to version 21.3).

HVR does not support the following capabilities on Oracle:

• Bulk load of multiple slices of same table can be done in parallel.

Other Capabilities

HVR supports the following capabilities on Oracle:

• Call database procedure dbproc during replication jobs (AgentPlugin with parameter DbProc) (Oracle from version 11.1 to version 21.3).
• DbObjectGeneration with parameter IncludeSQLFile (Oracle from version 11.1 to version 21.3).
• International table and column names where DBMS is not configured with UTF-8 encoding (Oracle from version 11.1 to version 21.3).
• Treat DBMS table names and columns as case sensitive if configured (location property Case_Sensitive_Names) (Oracle from version 11.1 to version 21.3).
• Treat DBMS schema names as case sensitive if configured (location property Case_Sensitive_Names) (Oracle from version 11.1 to version 21.3).
• Reduce width of datatype when selecting or capturing changes (ColumnProperties with parameter TrimDatatype) (Oracle from version 11.1 to version 21.3).
• Distinguish and support capture from 'materialized views' (Oracle from version 11.1 to version 21.3).

HVR does not support the following capabilities on Oracle:

• Use distribution key for parallelizing changes within a table (ColumnProperties with parameter DistributionKey).