Data warehouse on mysql

  • Can MySQL store big data?

    For example, raw metrics might be stored in HDFS, but aggregated/summarized data is sent to MySQL for analysis.
    Second, MySQL can be used as a big data store.
    Typically MySQL will be sharded to support such large volumes of data..

  • What is a warehouse in SQL?

    What is a SQL warehouse? A SQL warehouse is a compute resource that lets you run SQL commands on data objects within Databricks SQL.
    Compute resources are infrastructure resources that provide processing capabilities in the cloud..

  • SQL Data Warehouse is a cloud-based Enterprise Data Warehouse (EDW) that leverages Massively Parallel Processing (MPP) to quickly run complex queries across petabytes of data.
    Use SQL Data Warehouse as a key component of a big data solution.
A data warehouse is a repository of data. Data Warehousing (DW) is a process to collect as well as manage data from different sources to improve the ease of data access and deriving insights from this data.

How to connect MySQL to a data warehouse?

So with Node js stream you can connect MySQL to your data warehouse more efficiently

Let’s say you want to extract data from MySQL row by row and save it locally as a CSV

The example below would work with npm packages mysql2 and csv-stringify

Try to create a function and run it with your lambda’s npm run test command

How to create a DataWarehouse?

You need to model your data dimensionally (if you are going to use a star schema) and decide the grain of your data, determine the measures that will go into the fact table (s) and the attributes that will reside in the dimension table (s)

A datawarehouse is not joining all the data you have together in one table

Enterprise Data Warehouse (EDW) is a centralized warehouse. It provides decision support service for the enterprise as a whole

Categories

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