import pandas as pd
from sqlalchemy import create_engine, text
# URL do CSV
url = 'https://raw.githubusercontent.com/alura-cursos/Pandas/main/clientes_banco.csv'
# Criar banco em memória
engine = create_engine('sqlite:///:memory:')
# Ler CSV
clientes_banco = pd.read_csv(url)
# Enviar para o banco
clientes_banco.to_sql('clientes', engine, index=False, if_exists='replace')
# Visualizar dados
pd.read_sql('SELECT * FROM clientes', engine)
# UPDATE
query_update = text("""
UPDATE clientes
SET Rendimento_anual = 300000
WHERE ID_Cliente = 6840104
""")
with engine.connect() as conn:
conexao.execute(query_update)
conexao.commit()
pd.read_sql('SELECT * FROM clientes WHERE ID_Cliente = 6840104', engine)
# DELETE
query_delete = text("""
DELETE FROM clientes
WHERE ID_Cliente = 5008809
""")
with engine.connect() as conn:
conn.execute(query_delete)
conn.commit()
pd.read_sql('SELECT * FROM clientes WHERE ID_Cliente = 5008809', engine)
# INSERT
query_insert = text("""
INSERT INTO clientes (
ID_Cliente,
Idade,
Grau_escolaridade,
Estado_civil,
Tamanho_familia,
Categoria_de_renda,
Ocupacao,
Anos_empregado,
Rendimento_anual,
Tem_carro,
Moradia
)
VALUES (
6850985,
33,
'Doutorado',
'Solteiro',
1,
'Empregado',
'TI',
2,
290000,
0,
'Casa/apartamento próprio'
)
""")
with engine.connect() as conn:
conn.execute(query_insert)
conn.commit()
pd.read_sql('SELECT * FROM clientes WHERE ID_Cliente = 6850985', engine)