venerdì 11 maggio 2018

SQL ORACLE: LEAD

SELECT last_name, hire_date, LEAD(hire_date, 1) OVER (ORDER BY hire_date) AS "NextHired" FROM employees WHERE department_id = 30; LAST_NAME HIRE_DATE NextHired ------------------------- --------- --------- Raphaely 07-DEC-94 18-MAY-95 Khoo 18-MAY-95 24-JUL-97 Tobias 24-JUL-97 24-DEC-97 Baida 24-DEC-97 15-NOV-98 Himuro 15-NOV-98 10-AUG-99 Colmenares 10-AUG-99

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