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" | ||
| − | |- | + | |- valign="top" |
| − | | ''' | + | | '''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" | ||
| + | |- style="background:silver" | ||
| + | | '''Column | ||
| + | | '''Data Type | ||
| + | | '''Nullable | ||
| + | | '''Default | ||
| + | | '''Description | ||
| + | |||
| + | |- valign="top" | ||
| + | | DEPARTMENT_ID | ||
| + | | NUMBER(4, 0) | ||
| + | | not null | ||
| + | | | ||
| + | | Primary key column of departments table. | ||
| + | |- valign="top" | ||
| + | | 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. | ||
| + | |- valign="top" | ||
| + | | 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. | ||
| + | |- valign="top" | ||
| + | | LOCATION_ID | ||
| + | | NUMBER(4, 0) | ||
| + | | 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 | ||
| + | |- valign="top" | ||
| + | | DEPT_ID_PK | ||
| + | | DEPARTMENT_ID | ||
| + | |} | ||
| + | |||
| + | === Indexes === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Index | ||
| + | | '''Type | ||
| + | | '''Columns | ||
| + | |||
| + | |- valign="top" | ||
| + | | DEPT_LOCATION_IX | ||
| + | | | ||
| + | | LOCATION_ID | ||
| + | |} | ||
| + | |||
| + | === Check Constraints === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Check Constraint | ||
| + | | '''Expression | ||
| + | | '''Description | ||
| + | |||
| + | |- valign="top" | ||
| + | | DEPT_NAME_NN | ||
| + | | "DEPARTMENT_NAME" IS NOT NULL | ||
| + | | | ||
| + | |} | ||
| + | |||
| + | === Foreign Keys === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Relation | ||
| + | | '''Column | ||
| + | | '''Referenced Column | ||
| + | |||
| + | |- valign="top" | ||
| + | | [[HR.LOCATIONS_(table)|HR.LOCATIONS]] | ||
| + | | LOCATION_ID | ||
| + | | LOCATION_ID | ||
| + | |- valign="top" | ||
| + | | [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | ||
| + | | MANAGER_ID | ||
| + | | EMPLOYEE_ID | ||
| + | |} | ||
| + | |||
| + | === Detail Tables === | ||
| + | {| border="1" cellpadding="5" cellspacing="0" style="border-collapse:collapse" | ||
| + | |- style="background:silver" | ||
| + | | '''Detail Table | ||
| + | | '''Column | ||
| + | | '''Referencing Column | ||
| + | |||
| + | |- valign="top" | ||
| + | | [[HR.EMPLOYEES_(table)|HR.EMPLOYEES]] | ||
| + | | DEPARTMENT_ID | ||
| + | | DEPARTMENT_ID | ||
| + | |- valign="top" | ||
| + | | [[HR.JOB_HISTORY_(table)|HR.JOB_HISTORY]] | ||
| + | | DEPARTMENT_ID | ||
| + | | DEPARTMENT_ID | ||
|} | |} | ||
Latest revision as of 10:33, 27 August 2011
Contents
wikibot[edit]
| 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[edit]
| 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[edit]
| Primary Key | Columns |
| DEPT_ID_PK | DEPARTMENT_ID |
Indexes[edit]
| Index | Type | Columns |
| DEPT_LOCATION_IX | LOCATION_ID |
Check Constraints[edit]
| Check Constraint | Expression | Description |
| DEPT_NAME_NN | "DEPARTMENT_NAME" IS NOT NULL |
Foreign Keys[edit]
| Relation | Column | Referenced Column |
| HR.LOCATIONS | LOCATION_ID | LOCATION_ID |
| HR.EMPLOYEES | MANAGER_ID | EMPLOYEE_ID |
Detail Tables[edit]
| Detail Table | Column | Referencing Column |
| HR.EMPLOYEES | DEPARTMENT_ID | DEPARTMENT_ID |
| HR.JOB_HISTORY | DEPARTMENT_ID | DEPARTMENT_ID |
