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Foreign key constraints
Actions Constraint properties Column Creating a foreign key over a non-indexed column would automatically create an index on it. Alternatively, you can define an index below, before creating the foreign key. Foreign key constraint (INNODB)
Database Table Column
ON DELETE ON UPDATE
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Internal relationships Documentation
Column Internal relation An internal relation is not necessary when a corresponding FOREIGN KEY relation exists.
id
company_id
branch_id
unit_id
test_id
candidate_id
student_id
user_id
academic_year_id
class_id
section_id
batch_id
eligibility_assignment_id
attempt_no
attempt_token
status
started_at
expires_at
last_activity_at
last_heartbeat_at
submitted_at
auto_submitted_at
locked_at
submit_reason
resume_count
client_ip
user_agent
device_identifier
current_attempt_question_id
total_time_seconds
scoring_status
created_at
updated_at