Difference between revisions of "HR.DEPARTMENTS (table)"
| Line 5: | Line 5: | ||
| '''Table | | '''Table | ||
| HR.DEPARTMENTS | | HR.DEPARTMENTS | ||
| + | |- valign="top" | ||
| + | | '''Description | ||
| + | | Departments table that shows details of departments where employees | ||
| + | work. Contains 27 rows; references with locations, employees, and job_history tables. | ||
|- | |- | ||
|} | |} | ||
| + | === Columns === | ||
{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 15: | Line 20: | ||
| '''Nullable | | '''Nullable | ||
| '''Default | | '''Default | ||
| − | | ''' | + | | '''Description |
| − | |||
|- | |- | ||
| Line 23: | Line 27: | ||
| not null | | not null | ||
| | | | ||
| − | | | + | | Primary key column of departments table. |
| − | |||
|- | |- | ||
| DEPARTMENT_NAME | | DEPARTMENT_NAME | ||
| Line 30: | Line 33: | ||
| not null | | not null | ||
| | | | ||
| − | | | + | | A not null column that shows name of a department. Administration, |
| − | + | Marketing, Purchasing, Human Resources, Shipping, IT, Executive, Public | |
| + | Relations, Sales, Finance, and Accounting. | ||
|- | |- | ||
| MANAGER_ID | | MANAGER_ID | ||
| Line 37: | Line 41: | ||
| null | | null | ||
| | | | ||
| − | | | + | | Manager_id of a department. Foreign key to employee_id column of employees table. The manager_id column of the employee table references this column. |
| − | |||
|- | |- | ||
| LOCATION_ID | | LOCATION_ID | ||
| Line 44: | Line 47: | ||
| null | | null | ||
| | | | ||
| + | | Location id where a department is located. Foreign key to location_id column of locations table. | ||
| + | |} | ||
| + | |||
| + | === Primary Key === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Primary Key | ||
| + | | '''Columns | ||
| + | |- | ||
| + | | DEPT_ID_PK | ||
| + | | DEPARTMENT_ID | ||
| + | |} | ||
| + | |||
| + | === Indexes === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Index | ||
| + | | '''Type | ||
| + | | '''Columns | ||
| + | |||
| + | |- | ||
| + | | DEPT_LOCATION_IX | ||
| | | | ||
| − | | | + | | LOCATION_ID |
|} | |} | ||
| + | === Check Constraints === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Check Constraint | ||
| + | | '''Expression | ||
| + | | '''Description | ||
| + | |||
| + | |- | ||
| + | | DEPT_NAME_NN | ||
| + | | "DEPARTMENT_NAME" IS NOT NULL | ||
| + | | | ||
| + | |} | ||
| − | + | === Foreign Keys === | |
{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 66: | Line 103: | ||
|} | |} | ||
| − | + | === Detail Tables === | |
{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
|- style="background:silver" | |- style="background:silver" | ||
| Line 81: | Line 118: | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
| + | |} | ||
| + | |||
| + | === Dependencies === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Reference Type | ||
| + | | '''Object Type | ||
| + | | '''Referencing Object | ||
| + | |||
| + | |- | ||
| + | | Select | ||
| + | | View | ||
| + | | [[OE.DEPTVIEW_(view)|OE.DEPTVIEW]] | ||
| + | |||
|} | |} | ||
Revision as of 09:26, 11 February 2010
Contents
wikibot
| Table | HR.DEPARTMENTS |
| Description | Departments table that shows details of departments where employees
work. Contains 27 rows; references with locations, employees, and job_history tables. |
Columns
| Column | Data Type | Nullable | Default | Description |
| DEPARTMENT_ID | NUMBER(4, 0) | not null | Primary key column of departments table. | |
| DEPARTMENT_NAME | VARCHAR2(30) | not null | A not null column that shows name of a department. Administration,
Marketing, Purchasing, Human Resources, Shipping, IT, Executive, Public Relations, Sales, Finance, and Accounting. | |
| MANAGER_ID | NUMBER(6, 0) | null | Manager_id of a department. Foreign key to employee_id column of employees table. The manager_id column of the employee table references this column. | |
| LOCATION_ID | NUMBER(4, 0) | null | Location id where a department is located. Foreign key to location_id column of locations table. |
Primary Key
| Primary Key | Columns |
| DEPT_ID_PK | DEPARTMENT_ID |
Indexes
| Index | Type | Columns |
| DEPT_LOCATION_IX | LOCATION_ID |
Check Constraints
| Check Constraint | Expression | Description |
| DEPT_NAME_NN | "DEPARTMENT_NAME" IS NOT NULL |
Foreign Keys
| Relation | Column | Referenced Column |
| HR.LOCATIONS | LOCATION_ID | LOCATION_ID |
| HR.EMPLOYEES | MANAGER_ID | EMPLOYEE_ID |
Detail Tables
| Detail Table | Column | Referencing Column |
| HR.EMPLOYEES | DEPARTMENT_ID | DEPARTMENT_ID |
| HR.JOB_HISTORY | DEPARTMENT_ID | DEPARTMENT_ID |
Dependencies
| Reference Type | Object Type | Referencing Object |
| Select | View | OE.DEPTVIEW |
