What are the three types of data warehousing?

Question

The three main types of data warehouses are enterprise data warehouse (EDW), operational data store (ODS), and data mart.

What is data warehouse and its types?

A Data Warehouse is defined as a central repository where information is coming from one or more data sources. Three main types of Data warehouses are Enterprise Data Warehouse (EDW), Operational Data Store, and Data Mart.

What are the 3 tiers in data warehousing architecture?

Data Warehouses usually have a three-level (tier) architecture that includes: Bottom Tier (Data Warehouse Server) Middle Tier (OLAP Server) Top Tier (Front end Tools).

What are the stages of data warehousing?

7 Steps to Data WarehousingStep 1: Determine Business Objectives. ... Step 2: Collect and Analyze Information. ... Step 3: Identify Core Business Processes. ... Step 4: Construct a Conceptual Data Model. ... Step 5: Locate Data Sources and Plan Data Transformations. ... Step 6: Set Tracking Duration. ... Step 7: Implement the Plan.

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