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Data Engineering Weekly #186

Data Engineering Weekly

[link] Murat: Understanding the Performance Implications of Storage-Disaggregated Databases The separation of storage and computing certainly brings a lot of flexibility in operating data stores. The author writes an overview of the performance implication of disaggregated systems compared to traditional monolithic databases.

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Object-centric Process Mining on Data Mesh Architectures

Data Science Blog: Data Engineering

The database for Process Mining is also establishing itself as an important hub for Data Science and AI applications, as process traces are very granular and informative about what is really going on in the business processes. Note from the author: Although object-centric process mining was introduced by Wil M.P.

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RDBMS vs NoSQL: Key Differences and Similarities

Knowledge Hut

Making decisions in the database space requires deciding between RDBMS (Relational Database Management System) and NoSQL, each of which has unique features. Come with me on this adventure to learn the main differences and parallels between two well-known database solutions, i.e., RDBMS vs NoSQL. What is RDBMS?

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How Windward Built Real-Time Logistics Tracking and AI Insights for the Maritime Industry

Rockset

This enrichment data has changing schemas and new data providers are constantly being added to enhance the insights, making it challenging for Windward to support using relational databases with strict schemas. Windward also used specialized databases like Elasticsearch for specific functionality like text search.

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Why are database columns 191 characters?

Grouparoo

In this post, we’ll look at the historical reasons for the 191 character limit as a default in most relational databases. The first question you might ask is why limit the length of the strings you can store in a database at all? Why varchar and not text ? s fault 255 makes a lot more sense than 191. How did we get to 191?

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Hadoop vs Spark: Main Big Data Tools Explained

AltexSoft

Data engineers who previously worked only with relational database management systems and SQL queries need training to take advantage of Hadoop. Apache HBase , a noSQL database on top of HDFS, is designed to store huge tables, with millions of columns and billions of rows. Complex programming environment. Data storage options.

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The Rise of Unstructured Data

Cloudera

Structured data can be defined as data that can be stored in relational databases, and unstructured data as everything else. Related to the neglect of data quality, it has been observed that much of the efforts in AI have been model-centric, that is, mostly devoted to developing and improving models , given fixed data sets.