Python: Insert a list of records into a given SQLite table
Python SQLite Database: Exercise-6 with Solution
Write a Python program to insert a list of records into a given SQLite table.
Sample Solution:
Python Code :
import sqlite3
from sqlite3 import Error
def sql_connection():
try:
conn = sqlite3.connect('mydatabase.db')
return conn
except Error:
print(Error)
def sql_table(conn, rows):
cursorObj = conn.cursor()
# Create the table
cursorObj.execute("CREATE TABLE salesman(salesman_id n(5), name char(30), city char(35), commission decimal(7,2));")
sqlite_insert_query = """INSERT INTO salesman
(salesman_id, name, city, commission)
VALUES (?, ?, ?, ?);"""
cursorObj.executemany(sqlite_insert_query, rows)
conn.commit()
print("Number of records after inserting rows:")
cursor = cursorObj.execute('select * from salesman;')
print(len(cursor.fetchall()))
# Insert records
rows = [(5001,'James Hoog', 'New York', 0.15),
(5002,'Nail Knite', 'Paris', 0.25),
(5003,'Pit Alex', 'London', 0.15),
(5004,'Mc Lyon', 'Paris', 0.35),
(5005,'Paul Adam', 'Rome', 0.45)]
sqllite_conn = sql_connection()
sql_table(sqllite_conn, rows)
if (sqllite_conn):
sqllite_conn.close()
print("\nThe SQLite connection is closed.")
Sample Output:
Number of records after inserting rows: 5 The SQLite connection is closed.
Alternate solution:
Python Code :
import sqlite3
conn = sqlite3 . connect ( 'mydatabase.db' )
cursor = conn.cursor ()
#create the salesman table
cursor.execute("CREATE TABLE salesman(salesman_id n(5), name char(30), city char(35), commission decimal(7,2));")
# Insert records
rows = [(5001,'James Hoog', 'New York', 0.15),
(5002,'Nail Knite', 'Paris', 0.25),
(5003,'Pit Alex', 'London', 0.15),
(5004,'Mc Lyon', 'Paris', 0.35),
(5005,'Paul Adam', 'Rome', 0.45)]
cursor . executemany ( """
INSERT INTO salesman (salesman_id, name, city, commission)
VALUES (?,?,?,?)
""" , rows )
print ( 'Data entered successfully.' )
conn.commit ()
if (conn):
conn.close()
print("\nThe SQLite connection is closed.")
Sample Output:
Data entered successfully. The SQLite connection is closed.
Python Code Editor:
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Previous: Write a Python program to create a table and insert some records in that table. Finally selects all rows from the table and display the records.
Next: Write a Python program to insert values to a table from user input.
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Python: Tips of the Day
Creates a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value:
Example:
def tips_map_values(obj, fn): ret = {} for key in obj.keys(): ret[key] = fn(obj[key]) return ret users = { 'Owen': { 'user': 'Owen', 'age': 29 }, 'Eddie': { 'user': 'Eddie', 'age': 15 } } print(tips_map_values(users, lambda u : u['age'])) # {'Owen': 29, 'Eddie': 15}
Output:
{'Owen': 29, 'Eddie': 15}
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