What is data warehouse Administration Console?

What is data warehouse Administration Console?

Oracle Business Intelligence Data Warehouse Administration Console (Oracle DAC) provides a centralized console for schema management, configuration, administration, loading, and monitoring of the Oracle Business Analytics Warehouse.

What are the stages of data warehousing?

4 Stages of Data Warehouses

• Stage 1: Offline Database. In their most early stages, many companies have Data Bases.
• Stage 2: Offline Data Warehouse.
• Stage 3: Real-time Data Warehouse.
• Stage 4: Integrated Data Warehouse.

What operations do you need for data warehousing?

Concurrency control and recovery mechanisms are required for operational databases to ensure robustness and consistency of the database. An operational database query allows to read and modify operations, while an OLAP query needs only read only access of stored data. An operational database maintains current data.

What is Obiee DAC?

The DAC (Data Warehouse Application Console) is an important part of OBIEE in that it allows you to schedule the Informatica mappings in the correct order, automatically allowing for dependencies between them based on the source and target tables that the mappings are reading and writing.

What is ETL in data warehouse?

ETL is a process in Data Warehousing and it stands for Extract, Transform and Load. It is a process in which an ETL tool extracts the data from various data source systems, transforms it in the staging area, and then finally, loads it into the Data Warehouse system.

What are the five data warehouse components?

There are mainly 5 components of Data Warehouse Architecture: 1) Database 2) ETL Tools 3) Meta Data 4) Query Tools 5) DataMarts.

What are fact tables in data warehousing?

A fact table is the central table in a star schema of a data warehouse. A fact table stores quantitative information for analysis and is often denormalized.