[Solved] Why does this dbt model fail during profiling?select * from customers where customer_id = 'abc'Given that customer_id is an integer column. | dbt

dbt - Performance Optimization

Why does this dbt model fail during profiling?

select * from customers where customer_id = 'abc'

Given that customer_id is an integer column.

ASyntax error in SELECT *

BMissing GROUP BY clause

CType mismatch: comparing integer column to string literal

DNo error, query runs fine

Step-by-Step Solution

Solution:

Step 1: Analyze data types in WHERE clause
customer_id is integer but compared to string 'abc', causing type mismatch.
Step 2: Understand effect on query execution
Type mismatch causes query failure during execution or profiling.
Final Answer:
Type mismatch: comparing integer column to string literal -> Option C
Quick Check:
Type mismatch = query fail [OK]

Quick Trick: Match data types in WHERE clauses to avoid errors [OK]

Common Mistakes:

MISTAKES

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Why does this dbt model fail during profiling?