次のSELECT文は、ソースの式にTIMESTAMP WITH TIME ZONEデータ型が存在しないために、エラーを返します。
SELECT CAST(TIMESTAMP '2008-06-01 08:30:00' AS DATE AT SOURCE); SELECT CAST(TIME '08:30:00+03:00' AS DATE AT SOURCE TIME ZONE); SELECT CAST(TIME '08:30:00' AS DATE AT SOURCE); SELECT CAST(DATE '2008-06-01' AS DATE AT SOURCE TIME ZONE);