The hottest Querying Substack posts right now

And their main takeaways
Category
Top Literature Topics
davidj.substack 23 implied HN points 29 Feb 24
  1. Consider how to use a semantic layer with streaming data to enhance efficiency and data processing.
  2. Streaming data warehouses handle storage differently than batch data warehouses, keeping fresh data in-memory and reducing compute cost.
  3. The semantic layer abstracts entities, attributes, and metrics, aiding in managing and optimizing queries on streaming data.
Hasen Judi 107 implied HN points 31 Mar 23
  1. In a B-Tree based storage system like BoltDB, you need to be explicit about indexing and querying data, unlike relational databases that automatically handle indexing.
  2. By maintaining bidirectional mappings between terms and targets, and incorporating priorities for sorting, you can efficiently retrieve and sort data without unnecessary overhead.
  3. BoltDB enables indexing data by any criteria, offering flexibility in ranking objects and improving relevance in search results, while eliminating the overhead associated with SQL databases.
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Rod’s Blog 0 implied HN points 06 Jan 23
  1. You can easily build KQL query templates for Azure services by utilizing the Open Query option in the Azure portal.
  2. The Open Query option takes you to Azure Resource Graph Explorer and generates a KQL query specific to the service you're accessing.
  3. Not all Azure services have this option, so be sure to check the All Services pane in Azure to see which services support KQL queries.
Tributary Data 0 implied HN points 29 Sep 22
  1. Stateful stream processors and streaming databases have different approaches in handling data ingestion and state persistence.
  2. Stream processors require knowing and embedding state manipulation logic in advance, while streaming databases offer ad-hoc manipulation by consumers.
  3. Stream processors are ideal for automated, machine-driven decision-making, while streaming databases cater to human decision-makers needing fast, ad-hoc data access.