When the data from the multiple heterogeneous sources are integrated then it constructs a Data Warehouse. In simple terms, we can say that the Data Warehouse is responsible for the process of transforming data into information and make it available to the user which can be further used to make a difference.
Undoubtedly, it is a complex concept which needs you to focus on the theories and practice it well for the execution of the process. In between all this core depth learning you have to deal with the complex assignments which are necessary for your grades.
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Importance of Data Warehouse
Data Warehouse plays a vital role as a business intelligence tool that is responsible for the growth of the organizations. We will tell you three basic importance of this concept which will be useful for yourdata warehouse assignment help.
Data warehouses provide business leaders with the opportunity of looking at their organization history. By which they can analyze the activities in the past which were successful for the company. This power gives them a chance to improve their bottom line.
It is the fact that without looking and analyzing the data’s a good business leader never makes any strategy or takes any decision. Data warehousing makes the data analysis more easy and efficient for them to draw insights and make a better decision for the growth of the company.
Data Warehouses ensure consistency or help in programming the data in a uniform format which makes sharing and analysis of data more easily. It not only saves time but also reduces the risk of interpretation.
What are the types of Data Warehouse?
There are three types of Data Warehouse:
Data Mart: It is also known as the subset of a data warehouse which is designed especially for a line of business like finance and sales. It is flexible, small size and can be customized by the department according to their use.
Enterprise Data Warehouse: It is said to be a centralized warehouse that is responsible for the decision support service provided across the company. It also can sort the data according to the subject and distribute the access according to the concerned department.
Operational Data Store: Also known as ODS is a data store that comes handy when data warehouse and OLTP both do not support the company’s reporting needs. It is mostly used to store the records of the employees working in that organization as it can refresh the data warehouse in real-time.
All these types have their importance and are essential to know as they can be useful for thedata warehouse assignment help.
You might get confused between Data Warehouse and Data Mining although they are completely different from one other. Here we will be talking about their differences that will be useful for bothdata warehouse and data mining assignment.
The process of pooling all the similar kinds of data together is known as data warehousing whereas the process in which the needed data is extracted from the large sets of data is known as data mining.
Engineers solely carry out the process of data warehousing whereas business leaders along with the help of engineers can do the process of data mining.
Data warehouse extracts the data’s and distinguishes them which make their use easier for reporting whereas data mining uses the logic of pattern recognition to identify the pattern.
In data warehouse data are stored periodically whereas in data mining the data is regularly analyzed.
Warehouse Manager and its operations useful for your data warehouse assignment help
Warehouse house manager plays a vital role in the work of data warehouse as the name itself reflects it manages the process on which the entire system of data warehouse runs. It has shell scripts, third party system software, and C programs, and its size along with its complexity keeps varying between the solutions which are specified.
Now let’s discuss the operations which are performed by the warehouse manager:
It is the responsibility of the warehouse manager to analyze the data’s which checks referential integrity.
The warehouse manager is responsible for creating the indexes, partition view, and business views which should be against the base data.
It also deals with the data backup system of the data warehouse and also responsible for archiving the data which are at the end of its captured life.
It is the responsibility of the warehouse manager to make published data by transforming and merging the source data.
What are Data Warehouses used for?
This is the common question that comes to your mind. What are the sectors in our daily lifestyle where the use of a data warehouse can be seen? Well, here is the list which will enlighten your knowledge about this topic and also can be useful for yourdata warehouse assignment help.
Public sector: Data Warehouse is used by the government as an intelligence-gathering tool. That helps them to analyze the tax collection record, health policy record for the individual.
Healthcare: In this sector data warehouse is used to predict the outcome and to prepare the strategy for its growth. It is also used to generate the treatment reports of the patients, share the concerned data’s to the connected insurance company, and much more.
Banking: The banking sector uses a data warehouse for the management of resources available in the bank effectively. It is also used for the analysis of product and operations along with market research.
Retail chain: In this field data warehouse is used to track items, to analyze the customer buying pattern. It also helps in analyzing the pricing policy, promotion, distribution, and marketing.
Telecommunication: Product promotions, decisions related to sales, and to decide about the distribution are some of the important work which is done by using data warehouse by this sector
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