"psycopg2" Code Answer's

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packages required to install psycopg2

By RicarHincapieRicarHincapie on Jan 12, 2021
pip install psycopg2-binary

Source: stackoverflow.com

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By TendoTendo on Apr 15, 2021
$ pip install psycopg2-binary

Source: pypi.org

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psycopg2 query

By Lucky LionLucky Lion on Feb 05, 2021
>>> import psycopg2

# Connect to an existing database
>>> conn = psycopg2.connect("dbname=test user=postgres")

# Open a cursor to perform database operations
>>> cur = conn.cursor()

# Execute a command: this creates a new table
>>> cur.execute("CREATE TABLE test (id serial PRIMARY KEY, num integer, data varchar);")

# Pass data to fill a query placeholders and let Psycopg perform
# the correct conversion (no more SQL injections!)
>>> cur.execute("INSERT INTO test (num, data) VALUES (%s, %s)",
...      (100, "abc'def"))

# Query the database and obtain data as Python objects
>>> cur.execute("SELECT * FROM test;")
>>> cur.fetchone()
(1, 100, "abc'def")

# Make the changes to the database persistent
>>> conn.commit()

# Close communication with the database
>>> cur.close()
>>> conn.close()

Source: www.psycopg.org

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psycopg2 mac

By Thom626Thom626 on Mar 24, 2021
pip install psycopg2-binary

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psycopg2 error

By Virgin ProgrammerVirgin Programmer on Nov 06, 2020
$ pip install psycopg2-binary

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