Let us take an example of three tables named as emp emp add and emp contact which are in a database called userdb in a mysql database server. The jdbc connection string to hiveserver2 as one would specify it for beeline hs2 user.

Apache Sqoop Tutorial Sqoop Import Export Data From Mysql To

By default sqoop will use the split by column as the row key column.

Sqoop hbase import example. Sqoop import generic args import args sqoop import generic args import args example. Learn more how can i import table from mysql to hbase. For example the sqoop import tool will write to user someuser foo files if your username is some user.

Each row of the input table will be transformed into an hbase put operation to a row of the output table. The three tables and their data are as follows. The following listing shows you how it s done.

Sqoop will import data to the table specified as the argument to hbase table. Apache sqoop can be used to transform relational database table into hbase tables. When i want to import the data to hive using sqoop i can specify hive home dir and sqoop will call that specified copy of hive installed on the machine where the script is being executed.

In addition inside your home directory in hdfs sqoop will import a table named foo to a directory named foo. Importing data to hbase using sqoop. Here you import all of the service order database directly from mysql into hive and run a hiveql query against the newly imported database on apache hadoop.

In this article we will check on sqoop import relational database table into hbase table and some working examples for the same. Hive create database serviceorderdb. By default sqoop will use.

There are three hiveserver2 specific command options that the user can define for the sqoop import tool when importing data. The key for each row is taken from a column of the input. You have to follow some process to import relational database or data warehouse tables into hbase schema.

1 343 seconds hive use serviceorderdb. Specifies the user for creating the jdbc connection to hiveserver2 if a user is not specified the current os user is used by default. Of course the main goal here is to demonstrate how sqoop can import data from an rdbms or data warehouse directly into hbase but it s always better to see how a tool is used in context versus how it s used in the abstract.

0 062 seconds sqoop import. By dirk deroos. Sqoop will import data to the table specified as the argument to hbase table.

However we can adjust the parent directory of the import with the warehouse dir argument. Stack overflow for teams is a private secure spot for you and your coworkers to find and share information. The following syntax is used to import data into hdfs.

Sqoop can be used to transform a relational database schema into an hbase schema. The key for each row is taken from a column of the input. Each row of the input table will be transformed into an hbase put operation to a row of the output table.