Class X

 ENTREPRENEURSHIP SKILLS - II 1. What is Society? Society is described as an aggregate of people living together in a community, who associate for various engagements including business. 2. What does an Entrepreneur do? An entrepreneur combines factors in a creative manner in order to generate value for customers and create wealth. 3. What are the positive impacts of Entrepreneurship on Society? The positive impacts of Entrepreneurship on Society are Emphasize economic Growth Fosters Creativity Stimulates Innovation and Efficiency Creates Jobs and Employment Opportunities Solves the problems of the society Encourages welfare of the society   4. What role does Society plays in boosting entrepreneurship? Society plays the following roles in boosting entrepreneurship: Creates needs and demands Provides raw materials Enables financial support Creates a need for education Catalyses policy formation and reform Facilitates networking Supports infrastructure developm...

 DATABASE MANAGEMENT SYSTEM 1. What is a database? A database is an organized collection of data. It can be visualised as a container of information. 2. What is Database Management System? A database management system is a software package with computer programs that controls the creation, maintenance, and use of a database. 3. Give some examples of DBMS Some examples of DBMS are Oracle, Microsoft SQL Server, Microsoft Access, MySQL, FoxPro, SQLite and MySQL 4. What are the two types in which Data Files can be organised? Data files can be organised as Flat file and Relational file. 5. What is flat file? In Flat file data is stored in a single table. It is usually suitable for storing less amount of data. 5. What is relational file? In Relational file data is stored in multiple tables and the tables are linked using a common field. It is suitable for storing medium to large amount of data. 6. What is Database Server? Database servers are dedicated computers that hold the actual data...

  SQL COMMANDS/QUERIES   TO INSERT RECORDS IN THE TABLE Command: INSERT Syntax 1:                   INSERT INTO tablename   (attribute1, attribute2,…, attributen) VALUES (value1, value2,… valuen); Syntax 2: INSERT INTO tablename VALUES (value1, value2,… valuen);   To enter the following record in table STUDENT ADMNO: 54910       STUDNAME: SUMIT KUMAR        CLASS: IX        SECTION: A ROLL: 21        ADMDATE: 01/04/2013   INSERT INTO STUDENT (ADMNO, STUDNAME, CLASS, SECTION, ROLL, ADMDATE) VALUES (‘54910’, ‘SUMIT KUMAR’, ‘IX’, ’A’, 21, ‘2013-04-01’); or INSERT INTO STUDENT VALUES (‘54910’, ‘SUMIT KUMAR’, ‘IX’, ’A’, 21, ‘2013-04-01’);   TO DISPLAY RECORDS FROM TABLE: Command: SELECT Syntax:     ...