interval type column : Time Interval « SQL Data Types « Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » SQL Data Types » Time Interval

10. 10. 2. interval type column


format interval type column



SQL> create table myTable(

  2        break_time   interval day(1) to second(2)

  3  );



Table created.



SQL>

SQL>

SQL> insert into myTable (break_time )

  2  values (TIMESTAMP '2001-09-03 12:47:00.000000' - TIMESTAMP '2001-09-03 13:13:00.000000' );



1 row created.



SQL>

SQL> insert into myTable ( break_time )

  2  values ( TIMESTAMP '2001-09-03 13:35:00.000000' - TIMESTAMP '2001-09-03 13:39:00.000000' );



1 row created.



SQL>

SQL> insert into myTable ( break_time )

  2  values (TIMESTAMP '2001-09-03 16:30:00.000000' - TIMESTAMP '2001-09-03 17:00:00.000000' );



1 row created.



SQL>

SQL> insert into myTable ( break_time )

  2  values ( TIMESTAMP '2001-09-03 17:00:00.000000' - TIMESTAMP '2001-09-03 17:30:00.000000' );



1 row created.



SQL>

SQL> column break_time format a30

SQL>

SQL> select * from myTable;





BREAK_TIME

------------------------------

-0 00:26:00.00

-0 00:04:00.00

-0 00:30:00.00

-0 00:30:00.00



4 rows selected.



SQL>

SQL> drop table myTable;



Table dropped.

10. 10. Time Interval
	10. 10. 1.	Using Time Intervals
	10. 10. 2.	interval type column
	10. 10. 3.	Format interval type column
	10. 10. 4.	Insert value to interval type column
	10. 10. 5.	Use TIMESTAMP in insert statement to add value to interval type column
	10. 10. 6.	INTERVAL '1' YEAR: Interval of 1 year
	10. 10. 7.	INTERVAL '11' MONTH: Interval of 11 months
	10. 10. 8.	INTERVAL '14' MONTH: Interval of 14 months (equivalent to 1 year 2 months)
	10. 10. 9.	INTERVAL '1-3' YEAR TO MONTH: Interval of 1 year 3 months
	10. 10. 10.	INTERVAL '0-5' YEAR TO MONTH: Interval of 0 years 5 months
	10. 10. 11.	INTERVAL '123' YEAR(3) TO MONTH: Interval of 123 years with a precision of 3 digits
	10. 10. 12.	INTERVAL '-1-5' YEAR TO MONTH: A negative interval of 1 year 5 months
	10. 10. 13.	INTERVAL '1234' YEAR(3):
	10. 10. 14.	Using the INTERVAL DAY TO SECOND Type
	10. 10. 15.	INTERVAL '3' DAY: Interval of 3 days
	10. 10. 16.	INTERVAL '2' HOUR: Interval of 2 hours
	10. 10. 17.	INTERVAL '25' MINUTE: Interval of 25 minutes
	10. 10. 18.	INTERVAL '45' SECOND: Interval of 45 seconds
	10. 10. 19.	INTERVAL '3 2:25:45' DAY TO SECOND: Interval of 3 days 2 hours 25 minutes 45 seconds
	10. 10. 20.	INTERVAL '123 2:25:45.12' DAY(3) TO SECOND(2): Interval of 123 days 2 hours 25 minutes 45.12 seconds; the precision for days is 3 digits and the precision for the fractional seconds is 2 digits
	10. 10. 21.	INTERVAL '3 2:00:45' DAY TO SECOND: Interval of 3 days 2 hours 0 minutes 45 seconds
	10. 10. 22.	INTERVAL '-3 2:25:45' DAY TO SECOND: Negative interval of 3 days 2 hours 25 minutes 45 seconds
	10. 10. 23.	INTERVAL '1234 2:25:45' DAY(3) TO SECOND: Invalid interval because the number of digits in the days exceeds the specified precision of 3
	10. 10. 24.	INTERVAL '123 2:25:45.123' DAY TO SECOND(2): Invalid interval because the number of digits in the fractional seconds exceeds the specified precision of 2

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