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Schema Evolution with Case Sensitivity Handling in Snowflake

Cloudyard

Handling Parquet Data with Schema Evolution Let’s now look at how schema evolution works with Parquet files. Parquet is a columnar storage format, often used for its efficient data storage and retrieval. We create a table Accessory_parquet and load data from the Parquet file Accessory_day1.parquet

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Data News — Week 22.45

Christophe Blefari

Kovid wrote an article that tries to explain what are the ingredients of a data warehouse. A data warehouse is a piece of technology that acts on 3 ideas: the data modeling, the data storage and processing engine. Modeling is often lead by the dimensional modeling but you can also do 3NF or data vault.

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Adopting Spark Connect

Towards Data Science

In some cases, sparkSession.sessionState.catalog can be replaced with sparkSession.catalog, but not always. impl" -> "org.apache.hadoop.fs.s3a.S3AFileSystem", "fs.s3a.aws.credentials.provider" -> "com.amazonaws.auth.DefaultAWSCredentialsProviderChain", "fs.s3a.endpoint" -> "s3.amazonaws.com",

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A Guide to Data Pipelines (And How to Design One From Scratch)

Striim

Striim, for instance, facilitates the seamless integration of real-time streaming data from various sources, ensuring that it is continuously captured and delivered to big data storage targets. Data storage Data storage follows.

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Implementing the Netflix Media Database

Netflix Tech

A schemaless system appears less imposing for application developers that are producing the data, as it (a) spares them from the burden of planning and future-proofing the structure of their data and, (b) enables them to evolve data formats with ease and to their liking. This is depicted in Figure 1.

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Comparing Performance of Big Data File Formats: A Practical Guide

Towards Data Science

Parquet vs ORC vs Avro vs Delta Lake Photo by Viktor Talashuk on Unsplash The big data world is full of various storage systems, heavily influenced by different file formats. These are key in nearly all data pipelines, allowing for efficient data storage and easier querying and information extraction.

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Hands-On Introduction to Delta Lake with (py)Spark

Towards Data Science

Concepts, theory, and functionalities of this modern data storage framework Photo by Nick Fewings on Unsplash Introduction I think it’s now perfectly clear to everybody the value data can have. To use a hyped example, models like ChatGPT could only be built on a huge mountain of data, produced and collected over years.