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Questions and Answers

Which function should be created to calculate the cube of a number, using a default value if none is provided?

  • A function that takes two numbers as arguments
  • A function that calculates the average of two numbers
  • A function that calculates the square of a number by default
  • A function that takes a number as an argument and returns its cube (correct)

    • What is the expected output of a function that checks if two strings are of the same length?

  • Returns a boolean indicating if they are equal (correct)
  • Always returns True regardless of string lengths
  • Returns a message stating the length of each string
  • Returns a numerical difference of their lengths

    • In the menu driven program to input student details, what is the criteria for assigning a result as 'pass'?

  • If total marks are less than 33
  • If names contain more than 5 letters
  • If total marks are greater than or equal to 32
  • If average marks are more than 32 (correct)

    • What does the program to accept a list of numbers display apart from the highest and lowest numbers?

    <p>The reverse of the list</p> Signup and view all the answers

    In the Employee dictionary program, what will be displayed when searching for an employee name that does not exist?

    <p>Not found message</p> Signup and view all the answers

    What functionality does the program that creates a text file 'Story.txt' provide regarding the number of capital letters?

    <p>Displays the number of capital letters in the file</p> Signup and view all the answers

    Which of the following is NOT a functionality of the string analysis program?

    <p>Sorting the characters of the string</p> Signup and view all the answers

    Which module is utilized in the Number Guessing Game?

    <p>random</p> Signup and view all the answers

    What operation is NOT included in the menu driven database connectivity program for the MySQL table MOV?

    <p>Display</p> Signup and view all the answers

    In the operation to read 'My School.TXT', which of the following counts is NOT described?

    <p>Number of paragraphs</p> Signup and view all the answers

    What information is included in the 'customer.dat' file?

    <p>Customer_Id, Cust_City, Cust_Name</p> Signup and view all the answers

    Which command is NOT part of the SQL tasks related to the Student table?

    <p>Display names of students with age above 18</p> Signup and view all the answers

    In the database operations for the EMP table, which of the following actions is NOT listed?

    <p>Update</p> Signup and view all the answers

    To find the number of distinct departments in the Student table, which SQL command would be utilized?

    <p>SELECT COUNT(DISTINCT Department) FROM Student;</p> Signup and view all the answers

    When creating the 'BANK' table, which field is NOT mentioned?

    <p>Transaction_History</p> Signup and view all the answers

    Which option describes the functionality of the menu driven program for the TEACHER table?

    <p>Create, Insert, Delete, Exit</p> Signup and view all the answers

    What SQL command is used to increase the salary of all employees above 30 years of age by 10%?

    <p>UPDATE Employee SET salary = salary * 1.10 WHERE age &gt; 30</p> Signup and view all the answers

    Which query would display the names of employees who are working neither in West zone nor in Centre zone?

    <p>SELECT name FROM Employee WHERE zone NOT IN ('West', 'Centre')</p> Signup and view all the answers

    What SQL command would return the names and salaries of employees not in department 20?

    <p>SELECT name, salary FROM Employee WHERE department NOT IN (20)</p> Signup and view all the answers

    Which SQL query displays the names of various zones from the Employee table, ensuring each name appears only once?

    <p>SELECT DISTINCT zone FROM Employee</p> Signup and view all the answers

    How would you display the highest, lowest, and average salary of each zone?

    <p>SELECT zone, MAX(salary), MIN(salary), AVG(salary) FROM Employee GROUP BY zone</p> Signup and view all the answers

    Which command will correctly display the names of employees working in departments 20 or 30?

    <p>SELECT name FROM Employee WHERE department IN (20, 30)</p> Signup and view all the answers

    What SQL command can be used to put grade 'B' for all employees whose grade is currently NULL?

    <p>UPDATE Employee SET grade = 'B' WHERE grade IS NULL</p> Signup and view all the answers

    How would you display the total number of employees in departments with more than 2 employees?

    <p>SELECT department, COUNT(employee_id) FROM Employee GROUP BY department HAVING COUNT(employee_id) &gt; 2</p> Signup and view all the answers

    Study Notes

    Python Programs

    • Area Calculator: Program takes user input to select a shape and calculates its area.
    • Number Guessing Game: Uses the random module to generate a random number and allows the user to guess it.
    • String Analysis: Program takes a string from the user and provides options:
      • Palindrome Check: Verifies if the string is a palindrome.
      • Character Count: Displays the total number of characters in the string.
      • Word Count: Displays the total number of words in the string.
      • Lowercase and Uppercase Count: Displays the number of lowercase and uppercase letters.
      • Digit Count: Displays the number of digits in the string.
    • List Operations: Program takes a list of numbers from the user and displays:
      • Maximum and Minimum: Identifies the highest and lowest numbers in the list.
      • Reverse: Displays the list in reverse order.
    • Student Records: Program uses a nested tuple to store information about students:
      • Result: Calculates and displays each student's results based on their average marks.
      • Display All: Shows information about all students.
      • Search: Allows users to search for a student by name and retrieve their details.
      • Merit List: Displays a list of students with average marks above 74.
    • Employee Data: Program uses a dictionary to store employee information:
      • Total Salary, Allowance, and Deductions: Calculates and displays the total salary, allowance, and deductions for all employees.
      • Search: Allows users to search for an employee by name.
    • Fibonacci Series: Generates and stores the first 12 terms of the Fibonacci series in a list.
    • Functions: Program demonstrates two functions:
      • Cube Calculator: Calculates the cube of a given number, defaulting to 5 if no argument is provided.
      • String Length Comparison: Checks if two strings are of the same length and returns True if they are.
    • Text File Analysis: Program analyzes a text file Story.txt:
      • Blank Space Count: Counts the number of blank spaces in the file.
      • Line Count: Counts the number of lines in the file.
      • Capital Letter Count: Counts the number of capital letters in the file.
      • Word Count: Counts the number of words in the file.
      • Lowercase Letter Count: Counts the number of lowercase letters in the file.
    • File Content Replacement: Reads the file Poem.txt and replaces every space with a '#' character.
    • School Information: Program reads the file My School.TXT and displays:
      • Character Count: Counts the number of characters in the file.
      • Vowel Count: Counts the number of vowels in the file.
      • Consonant Count: Counts the number of consonants in the file.
      • Words Starting with 'A': Counts words that start with the letter 'A'.
    • Customer Information: Program manages a data file customer.dat that stores customer information.
    • Stack Operations: Program implements a stack (EMP) that stores employee information:
      • Push: Adds an employee to the stack.
      • Pop: Removes an employee from the stack.
      • Peek: Displays the top element of the stack.
      • IsEmpty/IsFull: Checks if the stack is empty or full.
    • MySQL Database Connectivity: Programs connect to MySQL and perform operations on tables:
      • EMP Table:
        • Create: Creates the EMP table with the specified columns.
        • Insert: Inserts new records into the EMP table.
        • Display: Displays all records in the EMP table.
      • TEACHER Table:
        • Create: Creates the TEACHER table with the specified columns.
        • Insert: Inserts new records into the TEACHER table.
        • Delete: Deletes records from the TEACHER table.
      • BANK Table:
        • Create: Creates the BANK table with the specified columns.
        • Insert: Inserts new records into the BANK table.
        • Update: Updates existing records in the BANK table.
      • MOV Table:
        • Create: Creates the MOV table with the specified columns.
        • Insert: Inserts new records into the MOV table.
        • Search: Searches for records in the MOV table.

    SQL Program

    • Student Table: Program works with a Student table.
    • Insert Records: Inserts data into the Student table.
    • Select Queries:
      • Display by Department: Displays information about students in the 'Computer' department.
      • Female Students in Hindi: Displays names of female students in the 'Hindi' department.
      • Ascending Order: Displays student names and their date of joining in ascending order.
      • Male Student Details: Displays the admission number, name, and age of male students.
      • Students Older than 19: Counts the number of students older than 19 years of age.
      • Insert New Row: Adds a new student record to the table.
      • Distinct Departments: Displays the number of different departments in the table.
      • Student Count per Department: Shows the number of students in each department.
      • Names Starting with 'A': Displays student details whose names start with the letter 'A'.
      • Female Students After 2016: Displays female student details who joined after 2016.

    SQL Program: Employee & Department Tables

    • Table Creation: Programs create the Employee and Department tables.
    • Display Records: Displays records from both the Employee and Department tables.
    • Employee Salary Calculation: Calculates and displays the annual salary for all employees.
    • Employees in North Zone: Displays details of all employees working in the 'North' zone.
    • Employees with NULL Grade: Displays details of all employees whose grade is NULL.
    • Distinct Zones: Displays unique zone names from the Employee table.
    • Employees with Salary over 35000 in Department 30: Displays details of employees working in department 30 and earning more than 35000.
    • Employees not in Department 20: Displays names and salaries of employees who are not working in department 20.
    • Employees not in West or Centre: Displays details of employees who work neither in the 'West' nor 'Centre' zone.
    • Employees in Department 20 or 30: Displays details of employees working in either department 20 or 30.
    • Grade Range: Displays details of employees with grades between 'A' and 'C'.
    • Employee Names Containing 'a': Displays names, salaries, and ages of employees whose names contain the letter 'a'.
    • Salary Summary: Calculates and displays the sum and average salary of all employees.
    • Salary Statistics per Zone: Calculates and displays the maximum, minimum, and average salary in each zone.
    • Assign Grade 'B': Assigns grade 'B' to all employees whose grade is NULL.
    • Salary Increase for Older Employees: Increases the salary of all employees over 30 years of age by 10%.
    • Delete Specific Records: Deletes records of employees with grade 'C' and salary less than 30000.
    • Add Hire Date Column: Adds a new column named 'hiredate' to the Employee table.
    • Employees in Sales: Displays details of employees working in the 'Sales' department.
    • Employee Name and Department: Displays the name and department name of each employee.
    • Department and HOD: Displays the department names and corresponding HOD names.
    • Department Wise Employee Detail: Displays employee details sorted by department in descending order.
    • Departments with More than 2 Employees: Displays departments with a total number of employees greater than 2.

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