- What is database?
- Why we use database?
- How front end of web application interacts with back-end part of database?
- What is primary key?
- What is foreign key? How is it different from primary key?
- What is a unique key and how is it different from primary key?
- Why we need different tables to store data? Why data can not be saved in one table?
- What is called normalization?
- What are various data types available for columns in table?
- What is a table in a database?
- Can you enlist names of commercial databases available in market?
- What is SQL?
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