Difference between revisions of "HR.DEPARTMENTS (table)"
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{| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
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| '''Table | | '''Table | ||
| HR.DEPARTMENTS | | HR.DEPARTMENTS | ||
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| Departments table that shows details of departments where employees | | Departments table that shows details of departments where employees | ||
work. Contains 27 rows; references with locations, employees, and job_history tables. | work. Contains 27 rows; references with locations, employees, and job_history tables. | ||
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|} | |} | ||
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=== Columns === | === Columns === | ||
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| '''Default | | '''Default | ||
| '''Description | | '''Description | ||
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| DEPARTMENT_ID | | DEPARTMENT_ID | ||
| NUMBER(4, 0) | | NUMBER(4, 0) | ||
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| | | | ||
| Primary key column of departments table. | | Primary key column of departments table. | ||
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| DEPARTMENT_NAME | | DEPARTMENT_NAME | ||
| VARCHAR2(30) | | VARCHAR2(30) | ||
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Marketing, Purchasing, Human Resources, Shipping, IT, Executive, Public | Marketing, Purchasing, Human Resources, Shipping, IT, Executive, Public | ||
Relations, Sales, Finance, and Accounting. | Relations, Sales, Finance, and Accounting. | ||
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| MANAGER_ID | | MANAGER_ID | ||
| NUMBER(6, 0) | | NUMBER(6, 0) | ||
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| 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. | | 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. | ||
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| LOCATION_ID | | LOCATION_ID | ||
| NUMBER(4, 0) | | NUMBER(4, 0) | ||
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| '''Primary Key | | '''Primary Key | ||
| '''Columns | | '''Columns | ||
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| DEPT_ID_PK | | DEPT_ID_PK | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
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| '''Type | | '''Type | ||
| '''Columns | | '''Columns | ||
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| DEPT_LOCATION_IX | | DEPT_LOCATION_IX | ||
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| '''Expression | | '''Expression | ||
| '''Description | | '''Description | ||
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| DEPT_NAME_NN | | DEPT_NAME_NN | ||
| "DEPARTMENT_NAME" IS NOT NULL | | "DEPARTMENT_NAME" IS NOT NULL | ||
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| '''Column | | '''Column | ||
| '''Referenced Column | | '''Referenced Column | ||
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| − | |- | + | |- valign="top" |
| [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | | [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | ||
| LOCATION_ID | | LOCATION_ID | ||
| LOCATION_ID | | LOCATION_ID | ||
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| [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | | [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | ||
| MANAGER_ID | | MANAGER_ID | ||
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| '''Column | | '''Column | ||
| '''Referencing Column | | '''Referencing Column | ||
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| − | |- | + | |- valign="top" |
| [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | | [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
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| [[HR.JOB_HISTORY_(table)|HR.JOB_HISTORY]] | | [[HR.JOB_HISTORY_(table)|HR.JOB_HISTORY]] | ||
| DEPARTMENT_ID | | DEPARTMENT_ID | ||
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| '''Referencing Object | | '''Referencing Object | ||
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| Select | | Select | ||
| View | | View | ||
Revision as of 07:14, 24 June 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 |
