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Data Engineering Weekly #165

Data Engineering Weekly

The blog further emphasizes its increased investment in Data Mesh and clean data. link] Databricks: PySpark in 2023 - A Year in Review Can we safely say PySpark killed Scala-based data pipelines? I often noticed that the derived data is always > 10 times larger than the warehouse's raw data.

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Data testing tools: Key capabilities you should know

Databand.ai

These tools play a vital role in data preparation, which involves cleaning, transforming and enriching raw data before it can be used for analysis or machine learning models. There are several types of data testing tools. This is part of a series of articles about data quality.

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Moving Past ETL and ELT: Understanding the EtLT Approach

Ascend.io

In this article, we assess: The role of the data warehouse on one hand, and the data lake on the other; The features of ETL and ELT in these two architectures; The evolution to EtLT; The emerging role of data pipelines. Their task is straightforward: take the raw data and transform it into a structured, coherent format.

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Data Testing Tools: Key Capabilities and 6 Tools You Should Know

Databand.ai

These tools play a vital role in data preparation, which involves cleaning, transforming, and enriching raw data before it can be used for analysis or machine learning models. There are several types of data testing tools. This is part of a series of articles about data quality.

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What is ELT (Extract, Load, Transform)? A Beginner’s Guide [SQ]

Databand.ai

The Transform Phase During this phase, the data is prepared for analysis. This preparation can involve various operations such as cleaning, filtering, aggregating, and summarizing the data. The goal of the transformation is to convert the raw data into a format that’s easy to analyze and interpret.

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How to Design a Modern, Robust Data Ingestion Architecture

Monte Carlo

Data Loading : Load transformed data into the target system, such as a data warehouse or data lake. In batch processing, this occurs at scheduled intervals, whereas real-time processing involves continuous loading, maintaining up-to-date data availability. A typical data ingestion flow.

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DataOps Architecture: 5 Key Components and How to Get Started

Databand.ai

This requires implementing robust data integration tools and practices, such as data validation, data cleansing, and metadata management. These practices help ensure that the data being ingested is accurate, complete, and consistent across all sources.