Data Lake vs Data Warehouse: Modern Data Architecture Explained Understanding the Core Differences Data Lake: The Flexible Data Reservoir Data Warehouse: The Structured Analytics Engine Comparative Analysis Feature Data Lake Data Warehouse Data Format Raw (structured/unstructured) Processed & modeled Schema Approach Applied when reading (flexible) Defined before loading (rigid) Primary Users Data engineers/scientists Business analysts Storage Cost $0.023/GB (cloud object storage) $25/TB/month (cloud DW) Query Speed Slower (minutes-hours) Faster (seconds-minutes) Best Use Cases ML training, data exploration Financial reporting, KPIs The Modern Data Stack: Lakehouse Architecture Why Organizations Need Both Delta Lake: The Game Changer python Copy Download # Example Delta Lake transaction from delta import DeltaTable DeltaTable.forPath(spark, “/data/events”) .update(“status = ‘processed'”, condition = “date > ‘2023-01-01′”) Key Benefits: Implementation Guide When to Choose Which Solution Scenario Recommended Approach Storing IoT sensor data Data Lake + Delta Financial reporting Cloud Data Warehouse Customer 360 analytics Lakehouse (both) AI/ML development Data Lake Top Cloud Platforms Future Trends “The lakehouse paradigm reduces analytics TCO by 40% while delivering warehouse-grade performance”*- Databricks 2023 Benchmark Report* Like Related Posts Salesforce OEM AppExchange Expanding its reach beyond CRM, Salesforce.com has launched a new service called AppExchange OEM Edition, aimed at non-CRM service providers. Read more The Salesforce Story In Marc Benioff’s own words How did salesforce.com grow from a start up in a rented apartment into the world’s Read more Salesforce Jigsaw Salesforce.com, a prominent figure in cloud computing, has finalized a deal to acquire Jigsaw, a wiki-style business contact database, for Read more Service Cloud with AI-Driven Intelligence Salesforce Enhances Service Cloud with AI-Driven Intelligence Engine Data science and analytics are rapidly becoming standard features in enterprise applications, Read more