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14 Top Data Pipeline Key Terms Explained

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 Here are some key terms commonly used in data pipelines 1. Data Sources Definition: Points where data originates (e.g., databases, APIs, files, IoT devices). Examples: Relational databases (PostgreSQL, MySQL), APIs, cloud storage (S3), streaming data (Kafka), and on-premise systems. 2. Data Ingestion Definition: The process of importing or collecting raw data from various sources into a system for processing or storage. Methods: Batch ingestion, real-time/streaming ingestion. 3. Data Transformation Definition: Modifying, cleaning, or enriching data to make it usable for analysis or storage. Examples: Data cleaning (removing duplicates, fixing missing values). Data enrichment (joining with other data sources). ETL (Extract, Transform, Load). ELT (Extract, Load, Transform). 4. Data Storage Definition: Locations where data is stored after ingestion and transformation. Types: Data Lakes: Store raw, unstructured, or semi-structured data (e.g., S3, Azure Data Lake). Data Warehous...

Python Default Argument is Self Why do We Need it

Python self as default argument, here is the reason. Below, you will find an example and the importance of self-argument.


python self as default argument

Structure of a class

The default argument is self. The self-argument states the function belongs to the class that we refer to here. Access to class members' details of one member to another is possible through self-argument. So self-argument is mandatory.


class <name of the class>:
def <function name>(<arguments>):
...
<members>


Self Argument

A python class consists of methods these also called functions. The default self-argument you need to supply in all the class methods .

Python class with self argument

class employee: 
    def getdata(self): 
         self.name=input('Enter name\t:') 
         self.age=input('Enter age\t:') 
   def putdata(self): 
         print('Name\t:',self.name)
         print('Age\t:',self.age) 

e1=employee() 
e1.getdata() 
e1.putdata()


Python class same code

Output from python class

Here, I have Imported my .py  module to the Python3 shell. It ran automatically. You may get syntax errors while importing, those you need to fix if any.


Here is list of commands to run Python class


References

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