DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopTimestamp with Time Zone• New data type TIMESTAMP WITH TIME ZONE– SET SESSION TIME ZONE or rely on IMPLICIT_TIMEZONE (DECP)– Year.month.day.hour.minutes.seconds+-timezone• Example: 2011-07-06-11.00.000000-06:00• Comparison takes place after converting internally to UTC• DB2 Special Registers:– CURRENT TIME ZONE special register: ( data type = DECIMAL(6,0) )• Contains the difference between UTC and local time at the current server.– SESSION TIME ZONE special register: ( data type = VARCHAR(128))• Identifies the time zone of the application process.98© 2011 IBM Corporation