# tMapRDBInput

Reads data from a given MapRDB database and extracts columns of selection.

tMapRDBInput extracts columns corresponding to schema definition. Then it passes these columns to the next component via a Main row link.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/maprdb).

Depending on the Talend product you are using, this component can be used in one, some or all of the following Job frameworks:

* Standard: see [tMapRDBInput Standard properties](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-standard-properties).

  The component in this framework is available in all Talend products with Big Data and in Talend Data Fabric.

* MapReduce: see [tMapRDBInput MapReduce properties (deprecated)](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-mapreduce-properties-deprecated).

  The component in this framework is available in all Talend products with Big Data and Talend Data Fabric.

* Spark Batch: see [tMapRDBInput properties for Apache Spark Batch](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-properties-for-apache-spark-batch).

  The component in this framework is available in all Talend products with Big Data and Talend Data Fabric.

### In this section

* [tMapRDBInput Standard properties](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-standard-properties)
* [tMapRDBInput MapReduce properties (deprecated)](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-mapreduce-properties-deprecated)
* [tMapRDBInput properties for Apache Spark Batch](https://help.qlik.com/talend/en-US/components/7.3/maprdb/tmaprdbinput-properties-for-apache-spark-batch)