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Hi Folks!! In this blog, we are going to learn how we can integrate Spark with ArangoDB and Big Query to build a simple ETL pipeline. ArangoDB: ArangoDB is a multi-model database system. It supports three data models (graphs, JSON documents, key/value) with one database core and a unified query language AQL (ArangoDB Query Language). Apache Spark: Apache Spark is an open-source, distributed processing engine used for big data …
When we build up a system which need more data such as for decision-making, market analytics, risk managements. We need a large data from different sources. They are from multiple systems, databases, files, … In testing, we must test how the system extract data from different sources, transforming it to meet the target schema or …
ETL TESTING – It is important for a project to collect data from multiple sources Read More »
Key takeaways:Zero ETL is being introduced by AWS, Google, Databricks, and others as a future trend in the field of data engineering. However, current solutions are only available for projects with large budgets and rely on proprietary software. This article aims to share an idea for implementing Zero ETL using the open-source ClickHouse. I. Introduction …
