DynamoDB Python Tutorial

ddb.ipynb

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    "# Introduction to DynamoDB\n",
    "\n",
    "![](https://l3snh1odsii3hndbd2rovotm-wpengine.netdna-ssl.com/wp-content/uploads/2018/02/amazon_dynamodb_logo.png)\n",
    "\n",
    "- [aws dynamodb](https://aws.amazon.com/dynamodb/)\n",
    "\n",
    "- [boto3 doc](https://boto3.amazonaws.com/v1/documentation/api/latest/guide/dynamodb.html)\n",
    "\n",
    "## Installation\n",
    "\n",
    "```\n",
    "$ pip install boto3\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [],
   "source": [
    "import boto3"
   ]
  },
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   "outputs": [],
   "source": [
    "ddb = boto3.resource('dynamodb')"
   ]
  },
  {
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   "execution_count": 15,
   "metadata": {},
   "outputs": [],
   "source": [
    "table = ddb.Table('students')"
   ]
  },
  {
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   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "dynamodb.Table(name='students')"
      ]
     },
     "execution_count": 16,
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   "source": [
    "table"
   ]
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  {
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   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "table.put_item(Item={\n",
    "    'id': '1',\n",
    "    'name': 'nikhil',\n",
    "    'branch': 'COE'\n",
    "})"
   ]
  },
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   "source": [
    "table.get_item(Key={\n",
    "    'id': '1'\n",
    "})"
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       "  'HTTPStatusCode': 200,\n",
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   "source": [
    "table.delete_item(Key={\n",
    "    'id': '3'\n",
    "})"
   ]
  },
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   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
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   "source": [
    "table.update_item(Key={\n",
    "    'id': '1'\n",
    "}, AttributeUpdates={\n",
    "    'name': {\n",
    "        'Value': 'nik',\n",
    "        'Action': 'PUT'\n",
    "    }\n",
    "})"
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   "cell_type": "code",
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      "text/plain": [
       "{'Items': [{'id': '2', 'name': 'ravi', 'branch': 'IT'},\n",
       "  {'id': '1', 'name': 'nik', 'branch': 'COE'}],\n",
       " 'Count': 2,\n",
       " 'ScannedCount': 2,\n",
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    "table.scan()"
   ]
  },
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  }
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