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Python, SQL, and Apache Spark are essential for data engineering workflows. Real-time data processing with ApacheKafka enables faster decision-making. A data engineer creates and manages the pipelines that transfer data from different sources to databases or cloud storage. What Does a Data Engineer Do?
Big data pipelines operate similarly to traditional ETL (Extract, Transform, Load) pipelines but are designed to handle much larger data volumes. Components of a Big Data Pipeline Data Sources (Collection): Data originates from various sources, such as databases, APIs, and log files.
The unique advantages of Apache Flink Apache Flink augments event streaming technologies like ApacheKafka to enable businesses to respond to events more effectively in real time. Integration: Integrates seamlessly with other data systems and platforms, including ApacheKafka, Spark, Hadoop and various databases.
They are responsible for building and maintaining data architectures, which include databases, data warehouses, and data lakes. Data Modelling Data modelling is creating a visual representation of a system or database. Physical Models: These models specify how data will be physically stored in databases.
ETL Design Pattern The ETL (Extract, Transform, Load) design pattern is a commonly used pattern in data engineering. It is used to extract data from various sources, transform the data to fit a specific data model or schema, and then load the transformed data into a target system such as a data warehouse or a database.
Variety It encompasses the different types of data, including structured data (like databases), semi-structured data (like XML), and unstructured formats (such as text, images, and videos). It is built on the Hadoop Distributed File System (HDFS) and utilises MapReduce for data processing.
Below are some prominent use cases for Apache NiFi: Data Ingestion from Diverse Sources NiFi excels at collecting data from various sources, including log files, sensors, databases, and APIs. Its visual interface allows users to design complex ETL workflows with ease. How Does Apache NiFi Ensure Data Integrity?
Database Extraction: Retrieval from structured databases using query languages like SQL. Tools such as Python’s Pandas library, Apache Spark, or specialised data cleaning software streamline these processes, ensuring data integrity before further transformation.
Data can come from different sources, such as databases or directly from users, with additional sources, including platforms like GitHub, Notion, or S3 buckets. Vector Databases Vector databases help store unstructured data by storing the actual data and its vector representation. mp4,webm, etc.), and audio files (.wav,mp3,acc,
This involves working with various data storage technologies, such as databases and data warehouses, and ensuring that the data is easily accessible and can be analyzed efficiently. Collecting, storing, and processing large datasets Data engineers are also responsible for collecting, storing, and processing large volumes of data.
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