dataframe to sqlite code example

Example 1: convert sqlite table to pandas dataframe

import sqlite3
import pandas as pd

dat = sqlite3.connect('data.db')
query = dat.execute("SELECT * From <TABLENAME>")
cols = [column[0] for column in query.description]
results= pd.DataFrame.from_records(data = query.fetchall(), columns = cols)

Example 2: sqlite to pandas

import pandas as pd
import sqlite3

con = sqlite3.connect('/Users/mac/Desktop/Python/Baye_stat/productiondisruption/PCI_meat.sqlite')

df = pd.read_sql(<your query here>, con)

Example 3: how to transfer pandas datafra,e to sqlite

import sqlite3 as db
# Create your connection.
conn = db.connect('connection_name')
df.to_sql(name='table_name', con=conn)

Example 4: df to sql pandas sql achemy

from sqlalchemy import create_engine
engine = create_engine('sqlite://', echo=False)
df.to_sql('users', con=engine)
engine.execute("SELECT * FROM users").fetchall()