How to Perform Incremental Load in Talend ETL Tool. Talend ETL is a data integration tool for data transformation, data quality and application integration. Its core feature is the ability to extract, transform and load (ETL) data from various sources. Talend’s first release was in 2006 and it has been growing since then. One of its key features is incremental loading and overwriting the existing records with new ones. Here are some ways to perform incremental load in Talend ETL. What is incremental load? The goal of incremental load is to keep the changes made in a certain time period and update the records with it. It basically means that if we have a table of data and we incrementally load new values for this period of time, then all the old records will be left untouched. It's important to mention that only new records will be updated. In Talend Data Loading, incremental loads can be achieved through different methods: using LOAD CSV, LOAD XML, several source database or usin...
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