what type of questions asked for dbms in quiz tell me about 20 questions
Answers
Explanation:
Q #1) What is DBMS used for?
Answer: DBMS, commonly known as Database Management System, is an application system whose main purpose revolves around the data. This is a system that allows its user to store the data, define it, retrieve it and update the information about the data inside the database.
Q #2) What is meant by a Database?
Answer: In simple terms, Database is a collection of data in some organized way to facilitate its user’s to easily access, manage and upload the data.
Q #3) What is the purpose of SQL?
Answer: SQL stands for Structured Query Language whose main purpose is to interact with the relational databases in the form of inserting and updating/modifying the data in the database.
Q #4) What is the concept of sub-query in terms of SQL?
Answer: Sub-query is basically the query which is included inside some other query and can also be called as an inner query which is found inside the outer query.