[Solved] What is wrong with this code to read an ORC file in PySpark?spark.read.orc() — Ans: Missing file path argument in orc() method | Hadoop

Hadoop - Performance Tuning

What is wrong with this code to read an ORC file in PySpark?

spark.read.orc()

AMissing file path argument in orc() method

Borc() method does not exist in PySpark

CORC files cannot be read by PySpark

DMust use format('orc') instead of orc()

Step-by-Step Solution

Solution:

Step 1: Check orc() method usage
spark.read.orc() requires a file path argument to specify the ORC file location.
Step 2: Confirm method existence
orc() method exists in PySpark, so orc() method does not exist in PySpark is incorrect. PySpark supports ORC (A wrong), and format('orc') is an alternative but not mandatory (D wrong).
Final Answer:
Missing file path argument in orc() method -> Option A
Quick Check:
orc() needs file path argument [OK]

Quick Trick: Always provide path when reading ORC files [OK]

Common Mistakes:

Master "Performance Tuning" in Hadoop

9 interactive learning modes - each teaches the same concept differently

More Hadoop Quizzes

What is wrong with this code to read an ORC file in PySpark?