Validating data against schema

This scenario applies only to Talend Data Management Platform, Talend Big Data Platform, Talend Real-Time Big Data Platform, Talend MDM Platform, Talend Data Services Platform, Talend MDM Platform and Talend Data Fabric.

For more technologies supported by Talend, see Talend components.

This scenario presents a Job that checks the type, nullability, and length of data from an incoming flow against a defined reference schema, and displays the validation results on the Run console.

The incoming flow comes from a simple CSV file that contains heterogeneous data including wrong data type, data exceeding the maximum length, wrong ID and null values in non-nullable columns, as shown below:

ID;Name;BirthDate;State;City
1;Dwight;06-04-2008;Delaware;Concord
2;Warren;25-10-2008;Montana
3;Benjamin;17-08-2008;Washington;Austin
4;Harry;14-04-2008;Kansas;Annapolis
5;Ulysses;2007-04-12;Michigan;Raleigh
6;James;19-08-2007;Delaware;Charleston
.7;Bill;20-04-2007;Illinois;Bismarck
8;Ulysses;04-12-2008;;Saint Paul
9;Thomas;09-05-2008;Maryland;Albany
10;Ronald;11-02-2008;Florida;Hartford