Q64
Single choice
The code block displayed below contains an error. The code block should combine data from DataFrames itemsDf and transactionsDf, showing all rows of DataFrame itemsDf that have a matching value in column itemId with a value in column transactionsId of DataFrame transactionsDf.
Find the error.
Code block:
itemsDf.join(itemsDf.itemId==transactionsDf.transactionId)