August 15, 2023

Scenario: HCatalog table management on Hortonworks Data Platform – Docs for ESB 6.x

Scenario: HCatalog table management on Hortonworks Data Platform

This scenario applies only to a Talend solution with Big Data.

This scenario describes a six-component Job that includes the common operations for
the HCatalog table management on Hortonworks Data Platform. Sub-sections in this
scenario covers DB operations including:

  • Creating a table to the database in HDFS;

  • Writing data to the HCatalog managed table;

  • Writing data to the partitioned table using tHCatalogLoad;

  • Reading data from the HCatalog managed table;

  • Outputting the data read from the table in HDFS.

Note:

Knowledge of Hive Data Definition Language and HCatalog Data Definition
Language is required. For further information about Hive Data Definition
Language, see https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL.
For further information about HCatalog Data Definition Language, see https://cwiki.apache.org/confluence/display/HCATALOG/Design+Document+-+Java+APIs+for+HCatalog+DDL+Commands.


Document get from Talend https://help.talend.com
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