Using TIMESTAMP : TIMESTAMP « PL SQL Data Types « Oracle PL/SQL Tutorial

Oracle PL/SQL Tutorial

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Oracle PL/SQL Tutorial » PL SQL Data Types » TIMESTAMP

21. 7. 1. Using TIMESTAMP

Simple TIMESTAMP allows you to specify fractions of a second.

DATE precision is limited to seconds.


declare

    variable1_ts TIMESTAMP[(precision)];

begin

    NULL;

end;

Oracle stores 6 digits of precision, but you can specify precision within the range from 0 to 9.

TIMESTAMP(0) is equivalent to DATE.

21. 7. TIMESTAMP
	21. 7. 1.	Using TIMESTAMP
	21. 7. 2.	Declaring TIMESTAMP Datatype
	21. 7. 3.	TIMESTAMP literals
	21. 7. 4.	Using TIMESTAMP WITH TIME ZONE
	21. 7. 5.	'TIMESTAMP WITH TIME ZONE' in action
	21. 7. 6.	TIMESTAMP WITH LOCAL TIME ZONE
	21. 7. 7.	Use select into statement to assign systimestamp to timestamp variable
	21. 7. 8.	The TIMESTAMP datatype stores the date/time as follows
	21. 7. 9.	The TIMESTAMP WITH TIME ZONE datatype stores the date/time
	21. 7. 10.	The TIMESTAMP WITH LOCAL TIME ZONE datatype stores the date/time
	21. 7. 11.	Print the current date
	21. 7. 12.	Print the current date and timestamp
	21. 7. 13.	Two digits for fractional seconds
	21. 7. 14.	Nine digits for fractional seconds, 24-hour clock, 14:00 = 2:00 PM
	21. 7. 15.	No fractional seconds at all
	21. 7. 16.	No time zone, defaults to session time zone

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