Python-DatabaseApp/database.py at master · pratah/Python-DatabaseApp · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
# Clearing the screen
import os
os.system('clear')


# Importing sqlite3 module
import sqlite3


def add_one(first_name,last_name,email):
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	c.execute("INSERT INTO customers VALUES (?,?,?)", (first_name,last_name,email) )

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()


def create_table():
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	# Create a table
	c.execute(""" CREATE TABLE customers (
			first_name text,
			last_name text,
			email text
		)""")

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()


def insert_records():
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	# Inserting multiple rows
	customers = [
				('Jason', 'Bourne', 'jason@email.com'),
				('James', 'Bond', 'james@email'),
				('Red', 'Sparrow', 'red@email'),
				('Nathan', 'Muir', 'nathan@email.com')
			]

	c.executemany("INSERT INTO customers VALUES (?,?,?)", customers)

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()


def add_many(list):
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	c.executemany("INSERT INTO customers VALUES (?,?,?)", list)

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()


# This functin will query the database and return all records
def show_records():
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	# Querying
	c.execute("SELECT rowid, * FROM customers")

	items = c.fetchall()

	for item in items:
		print(item)

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()


def del_record(id):
	# Establishing a connection and create DB
	conn = sqlite3.connect('customer.db')

	# Creating a cursor
	c = conn.cursor()

	# Querying
	c.execute("DELETE FROM customers WHERE rowid = (?)", id)

	# Commiting changes made
	conn.commit()

	# Closing our connection
	conn.close()