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From Zero to ETL Hero-A-Z Guide to Become an ETL Developer

ProjectPro

Data Integration and Transformation, A good understanding of various data integration and transformation techniques, like normalization, data cleansing, data validation, and data mapping, is necessary to become an ETL developer. Data Governance Know-how of data security, compliance, and privacy.

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

Databand.ai

However, ETL can be a better choice in scenarios where data quality and consistency are paramount, as the transformation process can include rigorous data cleaning and validation steps. It should be able to handle increases in data volume and changes in data structure without affecting the performance of the ELT process.

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What is ETL Pipeline? Process, Considerations, and Examples

ProjectPro

The data sources can be an RDBMS or some file formats like XLSX, CSV, JSON, etc., We need to extract data from all the sources and convert it into a single format for standardized processing. Validate data: Validating the data after extraction is essential to ensure it matches the expected range and rejects it if it does not.

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