ClickHouse is an open-source column-oriented database management system. It's excellent performance in real-time data processing significantly enhances data analysis and business insights. Moving data from Oracle to ClickHouse can unleash the power of data in decision making that would not be possible with Oracle alone.
This tutorial describes how to move data from Oracle to ClickHouse with or .
Step 3: Create a DataJob
Click DataJob >
Select Incremental for DataJob Type, together with the Full Data option.
In the Specification settings, make sure that you select a specification of at least 1 GB. Allocating too little memory may result in Out of Memory (OOM) errors during DataJob execution.
Select the columns to be replicated.
Step 4: Verify the Data
Stop data write in the Source database and wait for ClickHouse to merge data.
It's hard to know when ClickHouse merges data automatically, so you can manually trigger a merging by running theoptimize table xxx finalcommand. Note that there is a chance that this manual merging may not always succeed.
Alternatively, you can run thecreate view xxx_v as select * from xxx finalcommand to create a view and perform queries on the view to ensure the data is fully merged.
Conclusion
In this tutorial, a data pipeline from Oracle to ClickHouse is created in minutes within 3 steps using BladePipe. Also, you can verify the data after replication, ensuring the data accuracy. It is just a glimpse of BladePipe’s powerful capabilities of real-time end-to-end data replication. To discover more, welcome to visit https://www.bladepipe.com/
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