python to postgresql

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showing results for - "python to postgresql"
Federica
27 Jan 2016
1import psycopg2
2try:
3    connection = psycopg2.connect(user = "sysadmin",
4                                  password = "pynative@#29",
5                                  host = "127.0.0.1",
6                                  port = "5432",
7                                  database = "postgres_db")
8
9    cursor = connection.cursor()
10    # Print PostgreSQL Connection properties
11    print ( connection.get_dsn_parameters(),"\n")
12
13    # Print PostgreSQL version
14    cursor.execute("SELECT version();")
15    record = cursor.fetchone()
16    print("You are connected to - ", record,"\n")
17
18except (Exception, psycopg2.Error) as error :
19    print ("Error while connecting to PostgreSQL", error)
20finally:
21    #closing database connection.
22        if(connection):
23            cursor.close()
24            connection.close()
25            print("PostgreSQL connection is closed")
Soan
18 Oct 2020
1import psycopg2
2from psycopg2 import Error
3
4try:
5    connection = psycopg2.connect(user = "postgres",
6                                  password = "pass@#29",
7                                  host = "127.0.0.1",
8                                  port = "5432",
9                                  database = "postgres_db")
10
11    cursor = connection.cursor()
12    
13    create_table_query = '''CREATE TABLE mobile
14          (ID INT PRIMARY KEY     NOT NULL,
15          MODEL           TEXT    NOT NULL,
16          PRICE         REAL); '''
17    
18    cursor.execute(create_table_query)
19    connection.commit()
20    print("Table created successfully in PostgreSQL ")
21
22except (Exception, psycopg2.DatabaseError) as error :
23    print ("Error while creating PostgreSQL table", error)
24finally:
25    #closing database connection.
26        if(connection):
27            cursor.close()
28            connection.close()
29            print("PostgreSQL connection is closed")
Mateo
24 Jul 2018
1from sqlalchemy import create_engine
2engine = create_engine('postgresql://postgres:admin1@localhost:5432/postgres')
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