The Data Fundamentals Everyone Gets Wrong

Описание: Welcome to DataSurface — where students, analysts, and aspiring engineers master data skills that shape the future.

This video is your ultimate quick revision guide for Data Fundamentals. We'll summarize the entire data landscape in one session, covering everything from the core definition of data (structured vs. unstructured) [00:00:37] to the essential systems that power our digital world, including OLTP vs. OLAP [00:01:31], Data Warehouses, and Data Lakes [00:01:15]. This is the perfect resource to solidify your knowledge.

🎯 This video is for: Students preparing for exams, professionals needing a quick refresher on data concepts, and anyone who has completed our Data Fundamentals series.

⏱️ Timestamps ⏱️
⌚ 00:00 - Introduction & Series Recap
⌚ 00:37 - Data Defined: Structured, Unstructured & Semi-Structured
⌚ 01:08 - How Data is Managed: SQL/NoSQL (OLTP)
⌚ 01:15 - How Data is Analyzed: Data Warehouses & Lakes (OLAP)
⌚ 01:31 - Key Comparison: OLTP vs. OLAP
⌚ 01:38 - Key Comparison: Data Lake vs. Data Warehouse
⌚ 02:02 - Other Important Data Systems (ODS, MDM)
⌚ 02:58 - What's Next? Deep Dives into Databases & Warehouses

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The A-Z of Data: Everything You Need to Know
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