Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| id | bigserial | 19 | √ | nextval('app_grade_letters_id_seq'::regclass) |
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| contextid | int8 | 19 | null |
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| lowerboundary | numeric | 10,5 | null |
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| letter | varchar | 255 | ''::character varying |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| app_gradlett_id_pk | Primary key | Asc | id |
| app_gradlett_conlowlet_uix | Must be unique | Asc/Asc/Asc | contextid + lowerboundary + letter |
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