I think Oracle is not able to derive a datatype for those columns where you specify NULL... and you are creating a table ... Kind regards, Lex. --------------------------------------------- visit my website at http://www.naturaljoin.nl --------------------------------------------- -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of David Sent: Thursday, July 01, 2004 20:04 To: oracle-l@xxxxxxxxxxxxx Subject: CTAS and ora-1723 Any ideas on why this would error out? Is it the nulls? create table tsteil.sub_duration_duration as ( select NULL provider, a.user_id, a.subscription_id, a.game_code, a.timestamp, to_number(decode(a.duration, '14D', 14, '02D', 2, '40D', 40, '05D', 5, '10D', 10, '21D', 21, '30D', 30, '60D', 60, '90D', 90, '01M', 30, '03M', 60, '06M', 90, '12M', 360, '24M', 720, '07D', 7, '15D', 15, '01D', 1, '00D', 0, 'ERROR')) duration from tsteil.sub_duration_orders a UNION ALL select NULL provider, b.user_id, b.subscription_id, b.game_code, b.timestamp, to_number(decode(b.duration, '14D', 14, '02D', 2, '40D', 40, '05D', 5, '10D', 10, '21D', 21, '30D', 30, '60D', 60, '90D', 90, '01M', 30, '03M', 60, '06M', 90, '12M', 360, '24M', 720, '07D', 7, '15D', 15, '01D', 1, '00D', 0, 'ERROR')) duration from tsteil.sub_duration_account_keys b UNION ALL select NULL provider, c.user_id, c.subscription_id, c.game_code, c.timestamp, to_number(decode(c.duration, '14D', 14, '02D', 2, '40D', 40, '05D', 5, '10D', 10, '21D', 21, '30D', 30, '60D', 60, '90D', 90, '01M', 30, '03M', 60, '06M', 90, '12M', 360, '24M', 720, '07D', 7, '15D', 15, '01D', 1, '00D', 0, 'ERROR')) duration from tsteil.sub_duration_game_cards c UNION ALL select NULL provider, d.user_id, d.subscription_id, d.game_code, d.timestamp, to_number(decode(d.duration, '14D', 14, '02D', 2, '40D', 40, '05D', 5, '10D', 10, '21D', 21, '30D', 30, '60D', 60, '90D', 90, '01M', 30, '03M', 60, '06M', 90, '12M', 360, '24M', 720, '07D', 7, '15D', 15, '01D', 1, '00D', 0, 'ERROR')) duration from tsteil.sub_duration_rental_codes d ) ORA-01723: zero-length columns are not allowed ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html ----------------------------------------------------------------- -- Binary/unsupported file stripped by Ecartis -- -- Type: text/x-vcard -- File: Lex de Haan.vcf ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------