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ashutoshdebugashutoshdebug
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‎Creating_Database(Room_Managment_System).py‎

Lines changed: 69 additions & 240 deletions
Original file line numberDiff line numberDiff line change
@@ -1,246 +1,75 @@
11
import mysql.connector as sql
2-
from mysql.connector import Error
3-
4-
try:
5-
username = input("Enter your username:")
6-
password = input("Enter your password:")
7-
con = sql.connect(host = "localhost", user = username, passwd = password, auth_plugin = "mysql_native_password")
8-
9-
if con.is_connected():
10-
print("Connection successful!")
11-
cursor_var = con.cursor()
12-
except Error as e:
13-
print(f'Connection failed to MySQL, error:{e}')
14-
15-
16-
class DataBaseCreation:
17-
'''Creating the database, Room Management System'''
18-
def __init__(self, connection):
19-
self.connection = connection
20-
self.cursor = self.connection.cursor()
21-
22-
def database_create(self):
23-
try:
24-
create = "CREATE DATABASE IF NOT EXISTS ROOM_MANAGEMENT_SYSTEM"
25-
self.cursor.execute(create)
26-
self.connection.commit()
27-
print("Database created or already exists.")
28-
except Error as e:
29-
print(f"Unable to create Database, error: {e}")
30-
31-
def UseDatabase(self):
32-
try:
33-
database = "USE ROOM_MANAGEMENT_SYSTEM"
34-
self.cursor.execute(database)
35-
self.connection.commit()
36-
except Error as e:
37-
print(f"Error: {e}")
38-
39-
def CreateTable(self):
40-
try:
41-
create_checkin = '''
42-
CREATE TABLE IF NOT EXISTS CHECK_IN (
43-
ROOM_TYPE VARCHAR(20),
44-
NO_OF_DAYS INT,
45-
NAME VARCHAR(20),
46-
AADHAAR_CARD_NO VARCHAR(12),
47-
MOBILE_NO VARCHAR(13),
48-
DATE VARCHAR(20),
49-
ROOM_NO INT
50-
)
51-
'''
52-
self.cursor.execute(create_checkin)
53-
54-
create_checkout = '''
55-
CREATE TABLE IF NOT EXISTS CHECK_OUT (
56-
ROOM_TYPE VARCHAR(30),
57-
ROOM_NO INT,
58-
NAME VARCHAR(20),
59-
MOBILE_NO VARCHAR(13),
60-
AADHAAR_CARD_NO VARCHAR(12),
61-
NO_OF_DAYS INT,
62-
TOTAL_BILL FLOAT,
63-
DATE_OF_BILLING VARCHAR(20)
64-
)
65-
'''
66-
self.cursor.execute(create_checkout)
67-
68-
self.connection.commit()
69-
print("Both tables created (if not already existing).")
70-
except Error as e:
71-
print(f"Error: {e}")
72-
73-
74-
class DataBaseDeletion:
75-
'''Deleting database, Room Management System'''
76-
def __init__(self, connection):
77-
self.connection = connection
78-
self.cursor = self.connection.cursor()
79-
80-
def perform_deletion(self):
81-
print("\nPress 1 to delete entire database.")
82-
print("Press 2 to delete tables in database.\n")
83-
user_choice = int(input("Enter your choice: "))
84-
85-
if user_choice == 1:
86-
try:
87-
self.cursor.execute("DROP DATABASE IF EXISTS ROOM_MANAGEMENT_SYSTEM")
88-
print("DATABASE deleted successfully!")
89-
except Error as e:
90-
print(f"Error: {e}")
2+
con=sql.connect(host='localhost', user=input("Enter your account name:"), passwd=input('Enter your password:'), auth_plugin='mysql_native_password')
3+
cursor_var=con.cursor()
4+
5+
def database_creation():
6+
"""
7+
Creating database using and tables (CHECK_IN and CHECK_OUT).
8+
"""
9+
create='CREATE DATABASE ROOM_MANAGEMENT_SYSTEM'
10+
cursor_var.execute(create)
11+
print("DATABASE CREATED SUCCESSFULLY!!!")
12+
13+
use='USE ROOM_MANAGEMENT_SYSTEM'
14+
cursor_var.execute(use)
15+
create_checkin='CREATE TABLE CHECK_IN(ROOM_TYPE VARCHAR(20), NO_OF_DAYS INT, NAME VARCHAR(20), AADHAAR_CARD_NO VARCHAR(12), MOBILE_NO VARCHAR(13), DATE VARCHAR(20), ROOM_NO INT)'
16+
cursor_var.execute(create_checkin)
17+
print("CHECK_IN TABLE CREATED SUCCESSFULLY!!!")
18+
19+
create_checkout='CREATE TABLE CHECK_OUT(ROOM_TYPE VARCHAR(30), ROOM_NO INT, NAME VARCHAR(20), MOBILE_NO VARCHAR(13), AADHAAR_CARD_NO VARCHAR(12), NO_OF_DAYS INT, TOTAL_BILL FLOAT, DATE_OF_BILLING VARCHAR(20))'
20+
cursor_var.execute(create_checkout)
21+
print("CHECK_OUT TABLE CREATED SUCCESSFULLY!!!")
22+
23+
con.commit()
24+
main()
25+
26+
def database_deletion():
27+
28+
"""
29+
Deleting database.
30+
"""
31+
print(" ")
32+
print("Press 1 for to delete entire database.")
33+
print("Press 2 to delete tables in database.")
34+
print(" ")
35+
36+
user_choice=int(input("Enter your choice:"))
37+
if user_choice==1:
38+
drop_database='DROP DATABASE ROOM_MANAGEMENT_SYSTEM'
39+
cursor_var.execute(drop_database)
40+
print("DATABASE deleted successfully!!!")
41+
9142
elif user_choice == 2:
92-
self.cursor.execute("USE ROOM_MANAGEMENT_SYSTEM")
93-
print("\nPress 1 to delete both tables.")
43+
print(" ")
44+
print("Press 1 to delete both tables.")
9445
print("Press 2 to delete CHECK_IN table only.")
95-
print("Press 3 to delete CHECK_OUT table only.\n")
96-
user_choice_table = int(input("Enter your choice: "))
97-
try:
98-
if user_choice_table == 1:
99-
self.cursor.execute("DROP TABLE IF EXISTS CHECK_IN")
100-
self.cursor.execute("DROP TABLE IF EXISTS CHECK_OUT")
101-
print("Both tables deleted successfully.")
102-
elif user_choice_table == 2:
103-
self.cursor.execute("DROP TABLE IF EXISTS CHECK_IN")
104-
print("CHECK_IN table deleted successfully.")
105-
elif user_choice_table == 3:
106-
self.cursor.execute("DROP TABLE IF EXISTS CHECK_OUT")
107-
print("CHECK_OUT table deleted successfully.")
108-
else:
109-
print("Invalid choice.")
110-
self.connection.commit()
111-
except Error as e:
112-
print(f"Error: {e}")
113-
114-
115-
class ColumnModification:
116-
'''Help to modify the columns'''
117-
def __init__(self, connection):
118-
self.connection = connection
119-
self.cursor = self.connection.cursor()
120-
121-
def modify_column(self):
122-
self.cursor.execute("USE ROOM_MANAGEMENT_SYSTEM")
123-
print("\nPress 1 to ADD column.")
124-
print("Press 2 to DELETE column.\n")
125-
try:
126-
choice = int(input("Enter your choice: "))
127-
table = input("Enter table name (CHECK_IN/CHECK_OUT): ").upper()
128-
column_name = input("Enter column name: ")
129-
130-
if choice == 1:
131-
column_type = input("Enter column type (e.g. VARCHAR(20), INT): ")
132-
query = f"ALTER TABLE {table} ADD COLUMN {column_name} {column_type}"
133-
self.cursor.execute(query)
134-
print("Column added successfully.")
135-
elif choice == 2:
136-
query = f"ALTER TABLE {table} DROP COLUMN {column_name}"
137-
self.cursor.execute(query)
138-
print("Column deleted successfully.")
139-
else:
140-
print("Invalid option.")
141-
self.connection.commit()
142-
except Error as e:
143-
print(f"Error: {e}")
144-
except Exception as ex:
145-
print(f"Invalid input: {ex}")
146-
147-
148-
class IndividualTableCreation:
149-
'''Can create individual tables also'''
150-
def __init__(self, connection):
151-
self.connection = connection
152-
self.cursor = self.connection.cursor()
153-
154-
def create_checkin_table(self):
155-
try:
156-
self.cursor.execute('''
157-
CREATE TABLE IF NOT EXISTS CHECK_IN (
158-
ROOM_TYPE VARCHAR(20),
159-
NO_OF_DAYS INT,
160-
NAME VARCHAR(20),
161-
AADHAAR_CARD_NO VARCHAR(12),
162-
MOBILE_NO VARCHAR(13),
163-
DATE VARCHAR(20),
164-
ROOM_NO INT
165-
)
166-
''')
167-
self.connection.commit()
168-
print("CHECK_IN table created successfully.")
169-
except Error as e:
170-
print(f"Error creating CHECK_IN table: {e}")
171-
172-
def create_checkout_table(self):
173-
try:
174-
self.cursor.execute('''
175-
CREATE TABLE IF NOT EXISTS CHECK_OUT (
176-
ROOM_TYPE VARCHAR(30),
177-
ROOM_NO INT,
178-
NAME VARCHAR(20),
179-
MOBILE_NO VARCHAR(13),
180-
AADHAAR_CARD_NO VARCHAR(12),
181-
NO_OF_DAYS INT,
182-
TOTAL_BILL FLOAT,
183-
DATE_OF_BILLING VARCHAR(20)
184-
)
185-
''')
186-
self.connection.commit()
187-
print("CHECK_OUT table created successfully.")
188-
except Error as e:
189-
print(f"Error creating CHECK_OUT table: {e}")
190-
191-
def perform_table_creation(self):
192-
self.cursor.execute("USE ROOM_MANAGEMENT_SYSTEM")
193-
print("\nPress 1 to create CHECK_IN table.")
194-
print("Press 2 to create CHECK_OUT table.")
195-
print("Press 3 to create both tables.\n")
196-
try:
197-
user_choice = int(input("Enter your choice: "))
198-
if user_choice == 1:
199-
self.create_checkin_table()
200-
elif user_choice == 2:
201-
self.create_checkout_table()
202-
elif user_choice == 3:
203-
self.create_checkin_table()
204-
self.create_checkout_table()
205-
else:
206-
print("Invalid choice.")
207-
except Exception as e:
208-
print(f"Error: {e}")
209-
46+
print("Press 3 to delete CHECK_OUT table only.")
47+
print(" ")
48+
user_choice_table = int(input("Enter your choice:"))
49+
50+
if user_choice_table == 1:
51+
cursor_var.execute("DROP TABLE IF EXISTS CHECK_IN")
52+
cursor_var.execute("DROP TABLE IF EXISTS CHECK_OUT")
53+
print("Both tables deleted successfully")
54+
elif user_choice_table == 2:
55+
cursor_var.execute("DROP TABLE IF EXISTS CHECK_IN")
56+
print("CHECK_IN table deleted successfully")
57+
elif user_choice_table == 3:
58+
cursor_var.execute("DROP TABLE IF EXISTS CHECK_OUT")
59+
print("CHECK_OUT table deleted successfully")
60+
61+
con.commit()
62+
main()
21063

21164
def main():
212-
print("\n==== ROOM MANAGEMENT SYSTEM ====")
213-
print("1. Create database and both tables")
214-
print("2. Drop database or specific tables")
215-
print("3. Add/Delete column from table")
216-
print("4. Create individual tables (if not exist)")
217-
print("0. Exit")
218-
219-
try:
220-
user_choice = int(input("Enter your choice: "))
221-
if user_choice == 1:
222-
db = DataBaseCreation(con)
223-
db.database_create()
224-
db.UseDatabase()
225-
db.CreateTable()
226-
elif user_choice == 2:
227-
deleter = DataBaseDeletion(con)
228-
deleter.perform_deletion()
229-
elif user_choice == 3:
230-
modifier = ColumnModification(con)
231-
modifier.modify_column()
232-
elif user_choice == 4:
233-
creator = IndividualTableCreation(con)
234-
creator.perform_table_creation()
235-
elif user_choice == 0:
236-
print("Exiting program.")
237-
return
65+
print("Enter 1 to create database 'ROOM_MANAGEMENT_SYSTEM'")
66+
print("Enter 2 to drop database/table from 'ROOM_MANAGEMENT_SYSTEM'")
67+
user_choice=int(input("Enter your choice:"))
68+
if user_choice==1:
69+
database_creation()
70+
elif user_choice==2:
71+
database_deletion()
23872
else:
239-
print("Invalid input.")
240-
except Exception as e:
241-
print(f"Error in main menu: {e}")
242-
243-
main() # Recursive loop
244-
245-
if __name__ == "__main__":
246-
main()
73+
print("Wrong input...")
74+
main()
75+
main()

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