| Name | Type | Nullable | Default value | Comment |
|---|---|---|---|---|
| USER_ID | NUMBER(38) | N | ||
| CATEGORY_ID | NUMBER(38) | N | ||
| INTEREST_LEVEL | NUMBER(38) | Y | 5 | |
| INTEREST_DATE | DATE | Y |
| Constraint Name | Check Condition |
|---|---|
| SYS_C002087182 | "USER_ID" IS NOT NULL |
| SYS_C002087183 | "CATEGORY_ID" IS NOT NULL |
| SYS_C002087184 | interest_level between -10 and 10 |
| Constraint Name | Columns | Referenced table | Referenced Constraint | On Delete Rule |
|---|---|---|---|---|
| SYS_C002087186 | USER_ID | USERS | SYS_C002087135 | NO ACTION |
| SYS_C002087187 | CATEGORY_ID | CATEGORIES | SYS_C002087169 | NO ACTION |
| Constraint name | Columns |
|---|---|
| SYS_C002087185 | USER_ID , CATEGORY_ID |
| Option | Settings |
|---|---|
| Index Organized | No |
| Generated by Oracle | No |
| Clustered | No |
| Nested | No |
| Temporary | No |
| Index Name | Type | Unuqueness | Columns |
|---|---|---|---|
| SYS_C002087185 | NORMAL | UNIQUE | USER_ID , CATEGORY_ID |