What is data warehouse? Everybody will face the same question before what is exactly data warehouse. Data is collected and integrated from heterogeneous sources. which can be used for decision making, taking out a certain pattern, making reports etc.
A data warehouse is separate from the operational database. It cannot be frequently updated.
Operational databases are … Continue reading
Very basic question start with what is a database? All the structured stored data is connected to more than one system/ nodes/ computers, from where data is fetched and updated. This is known as a database.
What is data? Don’t worry we will clear the basic first.
Data is nothing but a processed information, now what do … Continue reading