Data Warehousing Architecture
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A data warehouse is constructed by integrating data from multiple heterogeneous sources. It supports analytical reporting, structured and/or ad hoc queries and decision making.
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Data Warehousing Architecture
- 1. TYPES OF DATA WAREHOUSING ARCHITECTURE
- 2. DATA WAREHOUSE • Data Warehouse also known as Enterprise Data Warehouse (EDW) is a system used for reporting and data analysis. • They store current and historical data.
- 3. The data warehouse architecture has many types. Single Tier Two Tier Three Tier Multi Tier ARCHITECTURE…..
- 4. SINGLE-TIER ARCHITECTURE Processing of data takes place in the main frame only. Various devices are connected to it just for the purpose of display. They access data through dumb terminals.
- 5. TWO-TIER ARCHITECTURE • It is a client-Server Architecture. • There is a direct communication between the client and the server. • They are tightly coupled and thus 2- tier application is faster.
- 6. THREE-TIER ARCHITECTURE • The Client layer is used for the design purpose. Ex. Designing a form with text, label etc. • The Business layer is the interface between the Client and the Data Access Layer and makes their communication faster. • Actual database comes in the picture. Contains methods to connect with the database. Performs manipulations with the database like inserting, updating, deleting. Client Layer Business Layer Data Layer
- 8. Get yourself trained with Data Warehousing and become a data analyst….. To know more details, Click here: https://goo.gl/kJJZPs Want your future to blossom in a smart way???