V5R3M0

Websphere V6

When I tried to install Websphere MQ V6.0 To iSeries 9406-270 running OS/400 V5R3M0 the following massage appear *PGM Object for product 5724H72 option *BASE release *First not found on DEV(OPT01)

AS/400 QUERY ; how can I calculate the month and year of 3 months ago in define result fields?

I am using an AS/400 query in which I need the month and year of 3 months ago based on today's date. To get today's date I use current(date) but I need to know the month/year 3 month ago and the month/year of previous month undepending which day of the current month it is. Is that possible? I...