Um diesen Inhalt richtig anzuzeigen, müssen Sie JavaScript aktivieren

HR-Beispielschematabellenbeschreibungen

In den folgenden Tabellen werden die Spalten jeder Tabelle des Beispielschemas hr beschrieben.

Tabelle HR.COUNTRIES

Spaltenname	Null?	Typ
`COUNTRY_ID`	`NOT NULL`	`CHAR(2)`
`COUNTRY_NAME`		`VARCHAR2(60)`
`REGION_ID`		`NUMBER`

Tabelle HR.DEPARTMENTS

Spaltenname	Null?	Typ
`DEPARTMENT_ID`	`NOT NULL`	`NUMBER(4)`
`DEPARTMENT_NAME`	`NOT NULL`	`VARCHAR2(30)`
`MANAGER_ID`		`NUMBER(6)`
`LOCATION_ID`		`NUMBER(4)`

Tabelle HR.EMPLOYEES

Spaltenname	Null?	Typ
`EMPLOYEE_ID`	`NOT NULL`	`NUMBER(6)`
`FIRST_NAME`		`VARCHAR2(20)`
`LAST_NAME`	`NOT NULL`	`VARCHAR2(25)`
`EMAIL`	`NOT NULL`	`VARCHAR2(25)`
`PHONE_NUMBER`		`VARCHAR2(20)`
`HIRE_DATE`	`NOT NULL`	`DATE`
`JOB_ID`	`NOT NULL`	`VARCHAR2(10)`
`SALARY`		`NUMBER(8,2)`
`COMMISSION_PCT`		`NUMBER(2,2)`
`MANAGER_ID`		`NUMBER(6)`
`DEPARTMENT_ID`		`NUMBER(4)`

Tabelle HR.JOBS

Spaltenname	Null?	Typ
`JOB_ID`	`NOT NULL`	`VARCHAR2(10)`
`JOB_TITLE`	`NOT NULL`	`VARCHAR2(35)`
`MIN_SALARY`		`NUMBER(6)`
`MAX_SALARY`		`NUMBER(6)`

Tabelle HR.JOB_HISTORY

Tabelle 7: Beschreibung der Tabelle HR.JOB_HISTORY

Spaltenname	Null?	Typ
`EMPLOYEE_ID`	`NOT NULL`	`NUMBER(6)`
`START_DATE`	`NOT NULL`	`DATE`
`END_DATE`	`NOT NULL`	`DATE`
`JOB_ID`	`NOT NULL`	`VARCHAR2(10)`
`DEPARTMENT_ID`		`NUMBER(4)`

Tabelle HR.LOCATIONS

Spaltenname	Null?	Typ
`LOCATION_ID`	`NOT NULL`	`NUMBER(4)`
`STREET_ADDRESS`		`VARCHAR2(40)`
`POSTAL_CODE`		`VARCHAR2(12)`
`CITY`	`NOT NULL`	`VARCHAR2(30)`
`STATE_PROVINCE`		`VARCHAR2(25)`
`COUNTRY_ID`		`CHAR(2)`

Tabelle HR.REGIONS

Spaltenname	Null?	Typ
`REGION_ID`	`NOT NULL`	`NUMBER`
`REGION_NAME`		`VARCHAR2(25)`