Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null | 
                                         | 
                                    
                                         | 
                                    ||||
| slot | BIGINT | 19 | null | 
                                         | 
                                    
                                         | 
                                    Where this question comes in order in the list of questions in this quiz. Like question_attempts.slot.  | 
                                ||||
| quizid | BIGINT | 19 | 0 | 
                                         | 
                                    
                                        
  | 
                                    Foreign key references quiz.id.  | 
                                ||||
| page | BIGINT | 19 | null | 
                                         | 
                                    
                                         | 
                                    The page number that this questions appears on. If the question in slot n appears on page p, then the question in slot n+1 must appear on page p or p+1. Well, except that when a quiz is being created, there may be empty pages, which would cause the page number to jump here.  | 
                                ||||
| displaynumber | VARCHAR | 16 | √ | null | 
                                         | 
                                    
                                         | 
                                    Stores customised question number such as 1.2, A1, B12. If this is null, the default number is used.  | 
                                |||
| requireprevious | SMALLINT | 5 | 0 | 
                                         | 
                                    
                                         | 
                                    Set to 1 when current question requires previous one to be answered first.  | 
                                ||||
| maxmark | DECIMAL | 12,7 | 0.0000000 | 
                                         | 
                                    
                                         | 
                                    How many marks this question contributes to quiz.sumgrades.  | 
                                ||||
| quizgradeitemid | BIGINT | 19 | √ | null | 
                                         | 
                                    
                                        
  | 
                                    If the quiz suports multiple sub-grades, which one this slot contributes, if any.  | 
                                
Indexes
| Constraint Name | Type | Sort | Column(s) | 
|---|---|---|---|
| PRIMARY | Primary key | Asc | id | 
| quizslot_qui2_ix | Performance | Asc | quizgradeitemid | 
| quizslot_qui_ix | Performance | Asc | quizid | 
| quizslot_quislo_uix | Must be unique | Asc/Asc | quizid + slot |