Additional Notes
What happens if a ResultSet column is missing in manual ORM?
Track: Java
Topic: SQL for Java Devs
Focus: ResultSets and Mapping
Java: ResultSets and Mapping
Answer
Column access throws SQLException. Frame the concept in practical terms so you can explain it during interview discussion.
When mapping a ResultSet row to a Java object, if a column does not exist, accessing it will throw a SQLException. Ensure columns exist by checking metadata, or handle exceptions to avoid runtime errors.
When mapping a ResultSet row to a Java object, if a column does not exist, accessing it will throw a SQLException. Ensure columns exist by checking metadata, or handle exceptions to avoid runtime errors.
Topics: Java ResultSets and Mapping SQL for Java Devs