CBSE Class 12 Informatics Technology Structured Query Language Worksheet Set A

Read and download free pdf of CBSE Class 12 Informatics Technology Structured Query Language Worksheet Set A. Download printable Informatics Practices Class 12 Worksheets in pdf format, CBSE Class 12 Informatics Practices Structured Query Language Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Informatics Practices Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

Structured Query Language Informatics Practices Worksheet for Class 12

Class 12 Informatics Practices students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Informatics Practices will be very useful for tests and exams and help you to score better marks

Class 12 Informatics Practices Structured Query Language Worksheet Pdf

 STRUCTURED QUERY LANGUAGE (SQL)

Write SQL Commands to perform the following and execute them
 
1 Create a table EMPLOYEE with the following fields
EmpNo     integer
Name        20 characters
Dept         20 characters
Salary       Decimal (10,2)
 
Ensure that the following constraints are met :
• Empno is the Primary Key
• Default value of Salary is 2000
• Dept should be any of the values given below - “Accounts”, “Sales”,“Production”, “Stores”.
 
2 Insert the details of 5 employees.
CBSE Class 12 Informatics Technology Structured Query Language Worksheet Set A
3 Display the structure and contents of the entire table.
 
4 Display in the following format
Ajay gets a salary 2000 for the employees in Accounts Department.
 
5 Display the various departments from the table.
 
6 Add a Column bonus of data type Decimal(8,2)..
 
7 Compute the bonus as 20% of the salary.
 
8 Add a Column NetPay of type Decimal(10,2).
 
9 Compute Netpay as salary + bonus.
 
10 Display the names of the employees whose salary is in the range 20,000 – 50,000.
 
11 Di Display the details of employees whose name ends with the letter ‘n’.
 
12 Display the names of the employees whose name is starting with letter ‘A’.
 
13 Display the department and salary of employees having exactly 5 letters in the name.
 
14 Display the details of employees who have the letter combination ‘sh’ in their name.
 
15 Change the data type of Dept to 12 characters.
 
16 Delete the details of the employees from Sales Department.
 
17 Drop the column Bonus from the table.
 
18 Drop the default value for Salary.
 
19 Add a new default value for salary as 3500.
 
20 Delete the table.


Please click on below link to download CBSE Class 12 Informatics Technology Structured Query Language Worksheet Set A

Structured Query Language CBSE Class 12 Informatics Practices Worksheet

The above practice worksheet for Structured Query Language has been designed as per the current syllabus for Class 12 Informatics Practices released by CBSE. Students studying in Class 12 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 12 Informatics Practices on a daily basis. All the latest practice worksheets with solutions have been developed for Informatics Practices by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 12 Informatics Practices students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 12 Informatics Practices to develop the Informatics Practices Class 12 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 12 Informatics Practices designed by our teachers. After solving these you should also refer to Class 12 Informatics Practices MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 12 Informatics Practices which you can use to further make yourself better in Informatics Practices.

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