Dadurch wird jeder Benutzer gefunden, der den Urlaubsbetrag für jede Urlaubsart überschritten hat:
Oracle 11g R2-Schema-Setup :
CREATE TABLE Employee24( EMPLOYEEID, JOBROLES ) AS
SELECT 1, 'RoleA' FROM DUAL UNION ALL
SELECT 2, 'RoleB' FROM DUAL UNION ALL
SELECT 3, 'RoleB' FROM DUAL;
CREATE TABLE Leave25( EMPLOYEEID,LEAVEID, LEAVETYPE, STARTDATE, ENDDATE) AS
SELECT 1,1,'SickLeave', DATE '2018-01-01', DATE '2018-01-11' FROM DUAL UNION ALL
SELECT 1,2,'SickLeave', DATE '2018-01-21', DATE '2018-01-31' FROM DUAL UNION ALL
SELECT 1,3,'EarnedLeave',DATE '2018-01-11', DATE '2018-01-21' FROM DUAL UNION ALL
SELECT 1,4,'EarnedLeave',DATE '2018-02-01', DATE '2018-02-11' FROM DUAL UNION ALL
SELECT 1,5,'EarnedLeave',DATE '2018-02-21', DATE '2018-03-03' FROM DUAL UNION ALL
SELECT 2,6,'EarnedLeave',DATE '2018-02-01', DATE '2018-02-13' FROM DUAL UNION ALL
SELECT 3,7,'SickLeave', DATE '2018-01-01', DATE '2018-01-09' FROM DUAL;
CREATE TABLE JOBROLESELIGIBLELE(JOBROLES, ELIGIBLE_SICK_LEAVES, ELIGIBLE_EARNED_LEAVES) AS
SELECT 'RoleA', 14, 24 FROM DUAL UNION ALL
SELECT 'RoleB', 7, 10 FROM DUAL;
Abfrage 1 :
SELECT e.employeeId,
l.leavetype,
l.days_leave,
r.AllowedLeaveAmount
FROM Employee24 e
INNER JOIN
( SELECT employeeId,
SUM( enddate - startdate ) AS days_leave,
leavetype
FROM Leave25
GROUP BY employeeId, leaveType
) l
ON ( e.employeeId = l.employeeId )
INNER JOIN
( SELECT *
FROM JobRolesEligibleLE
UNPIVOT ( AllowedLeaveAmount FOR LeaveType IN (
Eligible_Sick_Leaves AS 'SickLeave',
Eligible_Earned_Leaves AS 'EarnedLeave'
) )
) r
ON ( l.leavetype = r.leavetype
AND e.jobroles = r.jobroles )
WHERE l.days_leave > r.AllowedLeaveAmount
| EMPLOYEEID | LEAVETYPE | DAYS_LEAVE | ALLOWEDLEAVEAMOUNT |
|------------|-------------|------------|--------------------|
| 1 | SickLeave | 20 | 14 |
| 1 | EarnedLeave | 30 | 24 |
| 2 | EarnedLeave | 12 | 10 |
| 3 | SickLeave | 8 | 7 |
