There is an option to import RDBMS tables into Hcatalog directly by making use of –hcatalog –database option with the –hcatalog –table but the limitation to it is that there are several arguments like –as-avro file , -direct, -as-sequencefile, -target-dir , -export-dir are not supported.
What are the limitations of importing RDBMS tables into Hcatalog directly?
There is an option to import RDBMS tables into Hcatalog directly by making use of –hcatalog –database option with the –hcatalog –table but the limitation to it is that there are several arguments like –as-avro file , -direct, -as-sequencefile, -target-dir , -export-dir are not supported.
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Main driver class which provides job configuration parameters. Mapper class which must extend org.apache.hadoop.mapredu...
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This will be used to extract various date formats. The available date formats as follows. Syntax: to_char ( date , fo...