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Step-by-Step Guide to Creating an AWS RDS Database Instance

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 Amazon Relational Database Service (AWS RDS) makes it easy to set up, operate, and scale a relational database in the cloud. Instead of managing servers, patching OS, and handling backups manually, AWS RDS takes care of the heavy lifting so you can focus on building applications and data pipelines. In this blog, we’ll walk through how to create an AWS RDS instance , key configuration choices, and best practices you should follow in real-world projects. What is AWS RDS? AWS RDS is a managed database service that supports popular relational engines such as: Amazon Aurora (MySQL / PostgreSQL compatible) MySQL PostgreSQL MariaDB Oracle SQL Server With RDS, AWS manages: Database provisioning Automated backups Software patching High availability (Multi-AZ) Monitoring and scaling Prerequisites Before creating an RDS instance, make sure you have: An active AWS account Proper IAM permissions (RDS, EC2, VPC) A basic understanding of: ...
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2 Multiline Commenting Ideas in Python

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Here are two ways you can comment out multiple lines in python. Python Multiline Comments These are two popular methods Viz Backslash and Triple quote methods. 1. Backslash method >>> s = "This is a test of the emergency broadcast system" \ … " and it will display an emergency if you put a line of text" \ … " that is more than 80 characters on a single line" >>> print(s) This is a test of the emergency broadcast system and it will display an emergency if you put a line of text that is more than 80 characters on a single line 2. Triple quote method >>> s1 = """ This is a test of the emergency broadcast system. … and it will display an emergency if you put a line of text … that is more than 80 characters on a single line … """ >>> print(s1) This is a test of the emergency broadcast system. and it will display an emergency if you put a line of text that is more than 80 characters on a single l...
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How to Explain String Immutability in Python Correctly

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Here is an answer to explain the immutability of Strings in Python. It means that you can't modify the string. Due to this, you can use strings securely in many places of your project. How to check string immutability Here is an example. In the python shell, assign a value of your choice to a string. Here my choice is ABCD, and I have assigned it to myString. I have tried to replace A with Z. But, it gave an error due to the immutability of strings. >>> myString = 'ABCD' >>>myString [0] = 'Z' What is learning here The strings immutability is an interview question. In interviews, you can say that strings are immutable, and you can't replace its data. Benefits of strings immutability It saves a lot of time since the data in strings are immutable. It results in high performance. String objects you can reuse as no one can modify its value. Strings are elemental. So no activity can change its value ( these are more like numbers). References Powerful...
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