CLASS 11 12 JEE NEET

What are hierarchical and network database management system?

1) Enterprise - ex Uber company 2) Enterpreneur - ex Company Owner 3) Entrepreneurship - ex how it work, booking, cab 🚖 driver record, gps system all process

Q : Define Entrepreneurship. Ans: Entrepreneurship :The process of developing a business plan, launching and running a business using innovation to meet customer needs and to make a profit is entrepreneurship. Q : Define entrepreneur. Ans: An entrepreneur is a person who undertakes risk to start a business of his/her own. An entrepreneur is the one who always searches for change, responds to it and exploits it as an opportunity

What is the difference between entrepreneur and entrepreneurship?

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Ye sab it ke vvi questions h krlo guys

*Answer* A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each table record. A primary key is used as a unique identifier to quickly parse data within the table. A table cannot have more than one primary key.

*Answer* 127) The given query will fetch all columns and records ( rows) from the movies table. 128) It get all the columns from Customers table.

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*Answer* a) Select Salary +1000 from Emp; b) Select Emp_id, Salary – 500 from Emp; c) Select Ename, Salary * 3 from Emp; d) Select Emp_id, Ename, Salary/2 from Emp; e) Select Emp_id, Ename from Emp;