A Data Warehouse Has Which of the Following Feature

Data doesnt change after it is stored ii. The key features of a data warehouse are discussed.

Data Warehouse Architecture Types Components Concepts Astera

The following are the functions of data warehouse tools and utilities.

. Data are rarely deleted. Another feature of time-variance is that once data is stored in the data warehouse. A typical data warehouse has four main components.

A centralized integrated data warehouse that is the single source of all data available to end users Enterprise data warehouse A subject-oriented current-valued detailed database. A process to load the data in the data warehouse and to create the necessary indexes. -Databases contain information in a series of 2D tables.

Most applications consists of transactions. AOnce created the data marts will keep on being updated from the data warehouse at periodic times BOnce created the data marts will. Data are often deleted.

It comprises elements of time explicitly or implicitly. A data warehouse supports large-scale BI functions such as data mining finding unseen patterns and relationships in data artificial intelligence. Data warehouse provides consistent information on various cross.

Data in the ______ 2 or 1 abreviation is accessed through an interface that is proprietary. Able to use bulk data manipulations before data is stored iv. Data warehouses focus on past subjects like for example sales revenue and not on.

There are basic features that define the data in the data warehouse that include subject orientation data integration time-variant nonvolatile data and data granularity. A data warehouse is subject oriented. AThe data warehouse consists of data marts and operational data BThe data warehouse is used as a source for the operational data CThe operational data are used as a source for the data.

Any two of the following. Index The master system database stores a database template. The data resided in data warehouse is predictable with a specific interval of time and delivers information from the historical perspective.

An operational database maintains current data. Here are some of the few characteristics of data. The correct answer is.

The following is true of three-tier data warehouses. All of these components are engineered for speed so. -In a data warehouse and mart information is multidimensional it contains layers of columns and rows.

An operational database maintains current data. On the other hand a data warehouse maintains historical data. Data Warehouse Concepts have following characteristics.

The key features of a data warehouse are discussed. Which of the following features usually applies to data in data warehouse. Data warehouse allows business users to quickly access critical data from some sources all in one place.

On the other hand a data warehouse maintains historical data. Must import data from transactional systems whenever significant changes occur in the. A data warehouse also supports operative data analysis by means of the ______ 3 Data can be.

The data warehouse can modulate when people have a common way of explaining new things that emerg as a particular subject. Tends to be lower than 3NF iii. Data Extraction Involves gathering data from multiple heterogeneous sources.

A process to upgrade the quality of data after it is moved into a data warehouse. Subject Oriented One of the key features of a data warehouse is the orientation it follows. Which of the following is a basic building block of a database that is used to improve the speed and efficiency of data access.

Data Cleaning Involves finding and. A central database ETL extract transform load tools metadata and access tools.

Data Warehouse Architecture Traditional Vs Cloud Panoply

Data Warehouse Definition And Examples Astera

Data Warehousing Overview Steps Pros And Cons

Data Warehouse Overview