INTERVAL '-1-5' YEAR TO MONTH: A negative interval of 1 year 5 months : Time Interval « SQL Data Types « Oracle PL/SQL Tutorial

1. Oracle PL/SQL Tutorial
2. SQL Data Types
3. Time Interval

SQL>
SQL> CREATE TABLE myTable (
  2    id INTEGER,
  3    duration INTERVAL YEAR(3) TO MONTH
  4  );

Table created.

SQL> INSERT INTO myTable (id, duration)VALUES (6, INTERVAL '-1-5' YEAR TO MONTH);

1 row created.

SQL> select * from myTable;

        ID DURATION
---------- ---------------------------------------------------------------------------
         6 -001-05

SQL>
SQL> drop table myTable;

Table dropped.

SQL>