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Abhinandan Borse
Sep 24, 20232 min read
CUSTOMER DATA VALIDATION RULES-GENERAL
Name Format: Description: Ensures that the customer's name follows a specific format. Example: The name should contain alphabetic...
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Abhinandan Borse
Sep 24, 20232 min read
PRODUCT DATA VALIDATION RULES-GENERAL
Product Code Uniqueness: Description: Ensures that each product has a unique identifier. Example: No two products should have the same...
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Abhinandan Borse
Sep 24, 20232 min read
DATA VALIDATION RULES (GENERAL)
data validation rules: Required Fields: Description: This rule ensures that certain fields must be filled out. Example: In an online...
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Abhinandan Borse
Sep 24, 20231 min read
DATA ENRICHMENT EXAMPLE
Scenario: Suppose you work for an e-commerce company, and you have a dataset containing information about customer purchases. The dataset...
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Abhinandan Borse
Sep 24, 20231 min read
PYTHON SQL EQIVALENT
https://1drv.ms/x/s!AlhqWla76plPhzgXrl95WOZW5qNk?e=EQ0zeb https://github.com/jayantkodwani/Python/tree/main/Top%2025%20SQL%20Commands%20t...
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Abhinandan Borse
Sep 24, 20235 min read
DATAMART
What is a Data Mart?Defining data marts A data mart is a simple form of data warehouse focused on a single subject or line of business....
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Abhinandan Borse
Sep 24, 20232 min read
ETL USE CASES
ETL (Extract, Transform, Load) use case scenarios along with examples: E-commerce Data Warehousing: Use Case: Integrating data from...
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Abhinandan Borse
Sep 24, 20232 min read
ETL ECOSYSTEM
ETL ecosystem with specific tools and examples for each component: Data Sources: Example: Relational databases (e.g., MySQL, PostgreSQL),...
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Abhinandan Borse
Sep 24, 20232 min read
ETL INTERVIEW QUESTIONS AND ANSWERS
What is ETL? Answer: ETL stands for Extract, Transform, Load. It's a process used to extract data from various sources, transform it into...
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Abhinandan Borse
Sep 24, 20231 min read
ETL INTERVIEW QUESTIONS AND ANSWER LINKS
Intellipaat Website: https://intellipaat.com/blog/interview-questions/etl-interview-questions/ ProjectPro Website:...
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Abhinandan Borse
Sep 24, 20231 min read
python general cleaning raw data code
import pandas as pd import numpy as np # Load the raw data (replace 'raw_data.csv' with your file) raw_data = pd.read_csv('raw_data.csv')...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE NUMPY
https://www.w3schools.com/python/numpy_exercises.asp https://www.w3resource.com/python-numpy-random https://www.w3resource.com/python-exe...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE PANDAS
w3resource Website: https://www.w3resource.com W3Schools Website: https://www.w3schools.com GeeksforGeeks Website:...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE SSIS
Wise Owl Training SSIS Integration Services Exercises - https://www.wiseowl.co.uk/exercises/standard ProProfs SSIS Online Practice Test...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE PYTHON
Practice Python - https://www.practicepython.org PYnative Python Exercises and Challenges with Solutions - https://pynative.com/python-ex...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE SQL
https://www.sql-practice.com https://www.w3schools.com/sql/sql_exercises https://www.programiz.com/sql/online-compiler https://sqlzoo.net...
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Abhinandan Borse
Sep 23, 20231 min read
PRACTICE-EXCEL
https://excel-practice-online.com/ https://excelexercises.com/ https://www.excel-exercise.com/ https://www.w3schools.com/excel/excel_exer...
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Abhinandan Borse
Sep 23, 20231 min read
DATA ENGINEERING INTERVIEW QUESTIONS
Top 50+ Data Engineer Interview Questions and Answers for 2023 (intellipaat.com) https://www.coursera.org/articles/data-engineer-intervie...
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Abhinandan Borse
Sep 23, 20231 min read
DATA ENGINEERING TOOLS
Open-Source Data Engineering Tools: Apache Hadoop: Description: A framework for distributed storage and processing of large datasets....
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Abhinandan Borse
Sep 23, 20232 min read
DATA CLEANSING GENERAL FUNCTION
CREATE OR REPLACE FUNCTION clean_data() RETURNS VOID AS $$ BEGIN -- Step 1: Handling Missing Values -- Example: Replace missing values in...
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