Flask - Performance Optimization
Which of the following is the correct syntax to use eager loading with SQLAlchemy in Flask?
Which of the following is the correct syntax to use eager loading with SQLAlchemy in Flask?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Identify eager loading syntax in SQLAlchemy
SQLAlchemy usesjoinedload()insideoptions()to eagerly load related data.Step 2: Check other options for correctness
lazyloadis for lazy loading,eagerandload_laterare not valid methods.Final Answer:
query.options(joinedload(Model.related)) -> Option DQuick Check:
Eager loading = options(joinedload()) [OK]
Quick Trick: Eager loading uses options(joinedload()) in SQLAlchemy [OK]
Common Mistakes:
MISTAKES- Using lazyload instead of joinedload for eager loading
- Trying non-existent methods like eager()
- Confusing method names for loading strategies
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