PostgreSQL - Insert Data Into a Table using Python Last Updated : 30 Aug, 2020 Comments Improve Suggest changes Like Article Like Report In this article we will look into the process of inserting data into a PostgreSQL Table using Python. To do so follow the below steps: Step 1: Connect to the PostgreSQL database using the connect() method of psycopg2 module.conn = psycopg2.connect(dsn) Step 2: Create a new cursor object by making a call to the cursor() methodcur = conn.cursor() Step 3: Now execute the INSERT statement by running the execute() methodcur.execute(sql, (value1,value2)) Step 4: After inserting the data call the commit() method to make the changes permanent.conn.commit() Step 5: Now terminate the cursor and the connection to the database.cur.close() conn.close() Example: For example we will use the Student table of the school database that we created in the earlier sections of the article series. Here we will create a insert_student() function to insert student_name row to the student table: Python3 #!/usr/bin/python import psycopg2 from config import config def insert_student(student_name): """ insert a new vendor into the vendors table """ sql = """INSERT INTO students(student_name) VALUES(%s) RETURNING student_id;""" conn = None student_id = None try: # read database configuration params = config() # connect to the PostgreSQL database conn = psycopg2.connect(**params) # create a new cursor cur = conn.cursor() # execute the INSERT statement cur.execute(sql, (student_name,)) # get the generated id back student_id = cur.fetchone()[0] # commit the changes to the database conn.commit() # close communication with the database cur.close() except (Exception, psycopg2.DatabaseError) as error: print(error) finally: if conn is not None: conn.close() return student_id Now to verify the insertion use the following command in the psql shell: SELECT * FROM student; Output: Comment More infoAdvertise with us Next Article PostgreSQL - Insert Data Into a Table using Python D ddeevviissaavviittaa Follow Improve Article Tags : Python PostgreSQL postgreSQL-managing-table Practice Tags : python Similar Reads Python Tutorial | Learn Python Programming Language Python Tutorial â Python is one of the most popular programming languages. 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