Read and download free pdf of CBSE Class 11 Computer Revision Worksheet Set G. Students and teachers of Class 11 Computer Science can get free printable Worksheets for Class 11 Computer Science in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 11 students should practice questions and answers given here for Computer Science in Grade 11 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 11 Computer Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests
CBSE Class 11 Computer Worksheet - Revision (7)
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Class: XI Subject : WEA – Computer Science Assignment No. 3
1. What is Table Join? Explain.
2. Explain the following Aggregate functions.
a. Sum b. Avg c. count d. max e.min
3. Write command for creating a table with following structure.
Customer : custid (p.k), custname, address, amount, discount, purchasedate
Insert 5 records.
4. What is the difference between primary and foreign key?
5. What is the difference between alter and update command.
6. What is View? Explain its advantages.
7. What is date data type I mysql.
8. How a table can be removed in mysql?
9. How do you add a foreign key in a table?
10. What is the difference between round and truncate function?
11. Explain the following character functions.
a. char b. lower c. substr d. instr e.length
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