Python scripts added

%% Cell type:markdown id:e7a51a6a-6eae-4af9-a2b7-e9a0816b3696 tags:

# Update conda & Set mamba as solver & Set up psycopg2

%% Cell type:code id:f307fbbd-8e4c-443e-862b-a75a1685a29a tags:

``` python

!conda update -n base -y conda

!conda install -n base -y conda-libmamba-solver

!conda config --set solver libmamba

!conda install -y psycopg2

```

%% Output

    Channels:

     - conda-forge

     - defaults

    Platform: linux-64

    Collecting package metadata (repodata.json): done

    Solving environment: done

    ==> WARNING: A newer version of conda exists. <==

        current version: 23.9.0

        latest version: 23.10.0

    Please update conda by running

        $ conda update -n base -c conda-forge conda

    ## Package Plan ##

      environment location: /opt/conda

      added / updated specs:

        - conda

    The following packages will be downloaded:

        package                    |            build

        ---------------------------|-----------------

        pexpect-4.8.0              |     pyh9f0ad1d_2          47 KB  conda-forge

        xorg-xproto-7.0.31         |    h14c3975_1007          72 KB  conda-forge

        ------------------------------------------------------------

                                               Total:         119 KB

    The following packages will be DOWNGRADED:

      fribidi                                 1.0.10-h516909a_0 --> 1.0.10-h36c2ea0_0

      pexpect                                4.8.0-pyh1a96a4e_2 --> 4.8.0-pyh9f0ad1d_2

      xorg-inputproto                       2.3.2-h14c3975_1002 --> 2.3.2-h7f98852_1002

      xorg-xproto                          7.0.31-h7f98852_1007 --> 7.0.31-h14c3975_1007

    Downloading and Extracting Packages:

    pexpect-4.8.0        | 47 KB     |                                       |   0%

    pexpect-4.8.0        | 47 KB     | ##################################### | 100% [A

    xorg-xproto-7.0.31   | 72 KB     | ##################################### | 100% [A

                                                                                    [A

                                                                                    [A

    Preparing transaction: done

    Verifying transaction: done

    Executing transaction: done

    Channels:

     - conda-forge

     - defaults

    Platform: linux-64

    Collecting package metadata (repodata.json): done

    Solving environment: done

    ==> WARNING: A newer version of conda exists. <==

        current version: 23.9.0

        latest version: 23.10.0

    Please update conda by running

        $ conda update -n base -c conda-forge conda

%% Cell type:markdown id:39a658a0-7669-41cd-a56a-265bad47e891 tags:

# Connect to database

%% Cell type:code id:4e31c9fd-130a-44e5-b788-6ffee4cbfb8f tags:

``` python

# Preamble

import psycopg2

import pandas as pd

# Task: Database Connection

# Database credentials

dsn_database = "aidaho"  # Specify the name of your Database

dsn_hostname = "193.196.53.49"  # localhost = 127.0.0.1

dsn_port = 8001  # Specify your port number, e.g., 98939

dsn_uid = "student"  # Specify your username, e.g., "admin"

dsn_pwd = "aidaho"  # Specify your password, e.g., "xxx"

# Connect to the database

try:

    connect = psycopg2.connect(

        dbname=dsn_database,

        user=dsn_uid,

        password=dsn_pwd,

        host=dsn_hostname,

        port=dsn_port

    )

    print("Database Connected!")

    # Check Connection

    cursor = connect.cursor()

    cursor.execute("SELECT version();")

    record = cursor.fetchone()

    print("You are connected to - ", record, "\n")

except (Exception, psycopg2.Error) as error:

    print("Error while connecting to PostgreSQL", error)

```

%% Output

    Database Connected!

    You are connected to -  ('PostgreSQL 15.1 (Debian 15.1-1.pgdg110+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.1 20210110, 64-bit',)

%% Cell type:code id:7943e919-8504-4b90-a1a2-580c3889a486 tags:

``` python

```

# Preamble

import psycopg2

from psycopg2 import sql

import pandas as pd

# Task: Database Connection

# Database credentials

dsn_database = "aidaho"  # Specify the name of your Database

dsn_hostname = "193.196.53.49"  # localhost = 127.0.0.1

dsn_port = 8001  # Specify your port number, e.g., 98939

dsn_uid = "student"  # Specify your username, e.g., "admin"

dsn_pwd = "aidaho"  # Specify your password, e.g., "xxx"

# Connect to the database

try:

    connect = psycopg2.connect(

        dbname=dsn_database,

        user=dsn_uid,

        password=dsn_pwd,

        host=dsn_hostname,

        port=dsn_port

    )

    print("Database Connected!")

    # Check Connection

    cursor = connect.cursor()

    cursor.execute("SELECT version();")

    record = cursor.fetchone()

    print("You are connected to - ", record, "\n")

except (Exception, psycopg2.Error) as error:

    print("Error while connecting to PostgreSQL", error)

# Closing database connection.

if connect:

    cursor.close()

    connect.close()

    print("PostgreSQL connection is closed")