Tag: <span>Oracle</span>

Tag: Oracle

How to import BLOB data into HBase directly using Sqoop

Recently I was dealing with an issue that I was not able to import BLOB data correctly into HBase from Oracle database. All other columns were imported successfully, however, the BLOB column failed to appear in HBase table. My test table has three columns, ID:int, DATA_S:VARCHAR2 and DATA_B:BLOB. The following …


Unable to import Oracle table with CLOB column into HDFS using Sqoop

If you encountered the following error while importing Oracle table into HDFS: Chances are that you are hitting a Sqoop bug: SQOOP-117 At the time of writing, it is not fixed yet, but we can have a very simple workaround for this issue. Simply use –map-column-java option supported by Sqoop, …


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