HR.EMPLOYEES (table)
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| Table | HR.EMPLOYEES |
| Column | Data Type | Nullable | Default | PK | Index |
| EMPLOYEE_ID | NUMBER(6, 0) | not null | EMP_EMP_ID_PK | ||
| FIRST_NAME | VARCHAR2(20) | null | EMP_NAME_IX | ||
| LAST_NAME | VARCHAR2(25) | not null | EMP_NAME_IX | ||
| VARCHAR2(25) | not null | EMP_EMAIL_UK | |||
| PHONE_NUMBER | VARCHAR2(20) | null | |||
| HIRE_DATE | DATE(7) | not null | |||
| JOB_ID | VARCHAR2(10) | not null | EMP_JOB_IX | ||
| SALARY | NUMBER(8, 2) | null | |||
| COMMISSION_PCT | NUMBER(2, 2) | null | |||
| MANAGER_ID | NUMBER(6, 0) | null | EMP_MANAGER_IX | ||
| DEPARTMENT_ID | NUMBER(4, 0) | null | EMP_DEPARTMENT_IX |
| Relation | Column | Referenced Column |
| HR.DEPARTMENTS | DEPARTMENT_ID | DEPARTMENT_ID |
| HR.JOBS | JOB_ID | JOB_ID |
| HR.EMPLOYEES | MANAGER_ID | EMPLOYEE_ID |
| Detail Table | Column | Referencing Column |
| OE.CUSTOMERS | EMPLOYEE_ID | ACCOUNT_MGR_ID |
| HR.DEPARTMENTS | EMPLOYEE_ID | MANAGER_ID |
| HR.EMPLOYEES | EMPLOYEE_ID | MANAGER_ID |
| HR.JOB_HISTORY | EMPLOYEE_ID | EMPLOYEE_ID |
| OE.ORDERS | EMPLOYEE_ID | SALES_REP_ID |
