06 customer who never order

🚀 PYSPARK Challenge - Day 6️⃣
🌟PYSPARK Practice/Interview Problem 📊
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🎯 PROBLEM STATEMENT
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06_Customers Who Never Order
Write a Pyspark program to find all customers who never order anything.
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📝 Schema And Data :
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Difficult Level : EASY
Input Data :
Define the schema for the "Customers"
customers_schema = StructType([
StructField("id", IntegerType(), True),
StructField("name", StringType(), True)
])
Define data for the "Customers"
customers_data = [
(1, 'Joe'),
(2, 'Henry'),
(3, 'Sam'),
(4, 'Max')
]
Define the schema for the "Orders"
orders_schema = StructType([
StructField("id", IntegerType(), True),
StructField("customerId", IntegerType(), True)
])
Define data for the "Orders"
orders_data = [
(1, 3),
(2, 1)
]
Key Concepts:
📚 What You'll Learn:
✅ DataFrame operations using PySpark
✅ Efficient left anti join for filtering unmatched records
✅ Structuring code for real-world problem-solving scenarios
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