sqoop - Import the results of a query from a relational database into HDFS - apache sqoop - sqoop tutorial - sqoop hadoop

Import the results of a query from a relational database into HDFS

Query can be used instead of table in import operation:

sqoop import --query 'select Id,Message from TestTable where $CONDITIONS' 
             --where 'id>100' 
             --connect "jdbc:sqlserver://192.168.1.100:1433;database=Test_db
             --username user 
             -–password password 
             --split-by id  
             --target-dir /user/test/ 
             --fields-terminated-by '\t'

Click "Copy code" button to copy into clipboard - By wikitechy - sqoop tutorial - team

where $CONDITIONS - mandatory even if where condition does not exist

split-by - mandatory, specifies the column for the split operation. Used to split tasks in import MapReduce job

SQOOP forum

Sqoop Installation and Download :

Sqoop Installation

Connecting Sqoop to other databases/datastores :

Import data directly into Hive Warehouse

Import data from RDBMS to HBase table

Import data to new catalog

Import the results of a query from a relational database into HDFS

Load JDBC Driver

Sqoop Export :

Sqoop Export basic example

Sqoop Import RDBMS Table to HDFS :

Sqoop Import RDBMS Table to HDFS

Merge data-sets imported via incremental import using Sqoop :

Import New as well as Updated Data - lastmodified mode - Append Mode

Hadoop with Kite SDK :

Kite SDK to demonstrate copying of various file formats to Hadoop

Sqoop Advanced :

Use Sqoop to copy an Oracle table to Hadoop

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