What are reducers in sqoop?
Posted On: Feb 25, 2020
The reducer is used for accumulation or aggregation. After mapping, the reducer fetches the data transfer by the database to Hadoop. In the sqoop there is no reducer because import and export work parallel in sqoop.
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Sqoop Interview Questions
What is Sqoop?
The sqoop is an acronym of SQL-TO-HADOOP. It is a command-line interface application. It is worked for conveying data between relational databases (MySQL/ PostgreSQL/Oracle/SQL Server/DB2) and Hadoop ...
Sqoop Interview Questions
What is sqoop used for?
The sqoop is primarily conveying the immense data between the relational database and the Hadoop ecosystem. The entire database or individual table import to the ecosystem (HDFS) and after modificatio...
Sqoop Interview Questions
List some major features of Apache Sqoop?
The following list of apache sqoop features.Compression Connectors for all major RDBMS databases Kerberos security integration Full load Incremental load Import results of database query Loa...