FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Structured data is commonly stored in data warehouses and unstructured data is stored in data lakes. Both have cloud-use potential, but structured data allows for less storage space and unstructured data requires more.

Detailed explanation-2: -A data warehouse is used to store large amounts of structured data from multiple sources in a centralized place. Organizations invest in building data warehouses because of its ability to deliver business insights from across the company, and quickly.

Detailed explanation-3: -A data warehouse typically contains several years of historical data. The amount of data that you decide to make available depends on available disk space and the types of analysis that you want to support. This data can come from your transactional database archives or other sources.

Detailed explanation-4: -A data warehouse may contain multiple databases. Within each database, data is organized into tables and columns. Within each column, you can define a description of the data, such as integer, data field, or string. Tables can be organized inside of schemas, which you can think of as folders.