Answer:
Following are the required components of a database function :-
- Software
- Data
- Hardware
- Procedures
- Data Manager
- Database Access language
- Query processor
hope it helps!
<u>Extensible Markup Language (XML)</u> is a markup language designed to transport and store data on the Web.
Explanation:
- Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable
- Extensible means that the language is a shell, or skeleton that can be extended by anyone who wants to create additional ways to use XML.
- Markup means that XML's primary task is to give definition to text and symbols.
- It is a textual data format with strong support, Unicode for different human languages.
- Extensible Markup Language (XML) is used to describe data.
- The design goals of XML emphasize simplicity, generality, and usability across the Internet.
- It is a text-based markup language derived from Standard Generalized Markup Language (SGML).
Answer:
The benefits of having the operational data ware-house are as follows:
- The single operational warehouse typically support various tactical and the strategical decisions.
- It is subject oriented,volatile and integrated data warehousing in the system.
- The warehousing mainly allow the system to process the large complex data in more efficient manner.
- The operational warehouse are basically implemented for many business purposes.
The challenges of the operational warehouse repository are as follows:
- In the operational data warehouse there is large number of user expectations.
- The cost is the main challenge while designing the operational data warehousing as, it required efficient system in low cost.
- Choosing the efficient and correct type of the warehouse is the big challenge.
lst = ["Star Wars", "Movie 2", "Movie 3", "Movie 4"]
print(lst[0])
I wrote my code in python 3.8. Best of luck