Informatics Practices
Dr. Kavita has created a database for a hospital's pharmacy. The database includes a table named MEDICINE whose column (attribute) names are mentioned below:
MID: Shows the unique code for each medicine.
MED_NAME: Specifies the medicine name.
SUPP_CITY: Specifies the city where the supplier is located.
STOCK: Indicates the quantity of medicine available.
DEL_DATE: Specifies the date when the medicine was delivered.
Table: MEDICINE
| MID | MED_NAME | SUPP_CITY | STOCK | DEL_DATE |
|---|---|---|---|---|
| M01 | PARACETAMOL | MUMBAI | 200 | 2023-06-15 |
| M02 | AMOXICILLIN | KOLKATA | 50 | 2023-03-21 |
| M03 | COUGH SYRUP | BENGALURU | 120 | 2023-02-10 |
| M04 | INSULIN | CHENNAI | 135 | 2023-01-25 |
| M05 | IBUPROFEN | AHMEDABAD | 30 | 2023-04-05 |
Write the output of the following SQL Queries.
I. Select LENGTH(MED_NAME) from MEDICINE where STOCK > 100;
II. Select MED_NAME from MEDICINE where month(DEL_DATE) = 4;
III. Select MED_NAME from MEDICINE where STOCK between 120 and 200;
IV. Select max(DEL_DATE) from MEDICINE;
Answer
I.
Output
+------------------+
| LENGTH(MED_NAME) |
+------------------+
| 11 |
| 11 |
| 7 |
+------------------+
II.
Output
+-----------+
| MED_NAME |
+-----------+
| IBUPROFEN |
+-----------+
III.
Output
+-------------+
| MED_NAME |
+-------------+
| PARACETAMOL |
| COUGH SYRUP |
| INSULIN |
+-------------+
IV.
Output
+---------------+
| max(DEL_DATE) |
+---------------+
| 2023-06-15 |
+---------------+
Related Questions
During a practical exam, a student Ankita has to fill in the blanks in a Python program that generates a bar chart. This bar chart represents the number of books read by four students in one month.
Student Name Books Read Karan 12 Lina 9 Raj 5 Simran 3 Help Ankita to complete the code.
import _____ as plt #Statement-1 students = ['Karan', 'Lina', 'Raj', 'Simran'] books_read = [12, 9, 5, 3] plt.bar( students, _____, label='Books Read') #Statement-2 plt.xlabel('Student Name') plt._____('Books Read') #Statement-3 plt.legend() plt.title('_____') #Statement-4 plt.show()I. Write the suitable code for the import statement in the blank space in the line marked as Statement-1.
II. Refer to the graph shown above and fill in the blank in Statement-2 with suitable Python code.
III. Fill in the blank in Statement-3 with the name of the function to set the label on the y-axis.
IV. Refer the graph shown above and fill the blank in Statement-4 with suitable Chart Title.
Rahul, who works as a database designer, has developed a database for a bookshop. This database includes a table BOOK whose column (attribute) names are mentioned below:
BCODE: Shows the unique code for each book.
TITLE: Indicates the book’s title.
AUTHOR: Specifies the author’s name.
PRICE: Lists the cost of the book.
Table: BOOK
BCODE TITLE AUTHOR PRICE B001 MIDNIGHT'S CHILDREN SALMAN RUSHDIE 500 B002 THE GOD OF SMALL THINGS ARUNDHATI ROY 450 B003 A SUITABLE BOY VIKRAM SETH 600 B004 THE WHITE TIGER ARAVIND ADIGA 399 B005 TRAIN TO PAKISTAN KHUSHWANT SINGH 350 I. Write SQL query to display book titles in lowercase.
II. Write SQL query to display the highest price among the books.
III. Write SQL query to display the number of characters in each book title.
IV. Write SQL query to display the Book Code and Price sorted by Price in descending order.
ABC Pvt. Ltd., a multinational technology company, is looking to establish its Indian Head Office in Bengaluru, and a regional office branch in Lucknow. The Bengaluru head office will be organized into four departments: HR, FINANCE, TECHNICAL, AND SUPPORT. As a network engineer, you have to propose solutions for various queries listed from I to V.
The shortest distances between the departments/offices are as follows:
HR TO FINANCE 65 M HR TO TECHNICAL 80 M HR TO SUPPORT 70 M FINANCE TO TECHNICAL 60 M FINANCE TO SUPPORT 75 M TECHNICAL TO SUPPORT 50 M BENGALURU OFFICE TO LUCKNOW 1900 KM The number of computers in each department/office is as follows:
HR 175 FINANCE 35 TECHNICAL 50 SUPPORT 15 LUCKNOW OFFICE 40 I. Suggest the most suitable department in the Bengaluru Office Setup, to install the server. Also, give a reason to justify your suggested location.
II. Draw a suitable cable layout of wired network connectivity between the departments in the Bengaluru Office.
III. Which networking device would you suggest the company to purchase to interconnect all the computers within a department in Bengaluru Office?
IV. The company is considering establishing a network connection between its Bengaluru Head Office and Lucknow regional office. Which type of network—LAN, MAN, or WAN—will be created? Justify your answer.
V. The company plans to develop an interactive website that will enable its employees to monitor their performance after login. Would you recommend a static or dynamic website, and why?
Consider the DataFrame df shown below.
MovieID Title Year Rating 0 1 LAGAAN 2001 8.4 1 2 TAARE ZAMEEN PAR 2007 8.5 2 3 3 IDIOTS 2009 8.4 3 4 DANGAL 2016 8.4 4 5 ANDHADHUN 2018 8.3 Write Python statements for the DataFrame df to:
I. Print the first two rows of the DataFrame df.
II. Display titles of all the movies.
III. Remove the column rating.
IV. Display the data of the 'Title' column from indexes 2 to 4 (both included)
V. Rename the column name 'Title' to 'Name'.