摘要：在Oracle中可以使用TO_CHAR()函数来将日期类型的数据转换成字符串输出，并且可以指定输出格式：TO_CHAR(date_expression, 'YYYY-MM-DD')TO_CHAR(date_expression, 'HH24:MI:SS')DB2也有TO_CHAR 和 TO_DATE函数，但只能提供固定的转换格式，而且数据类型是timestamp，如下：TO_CHAR (timestamp_expression,'YYY-MM-DD HH24:MI:SS')TO_DATE (string_expression, 'YYY- 阅读全文

摘要：---------- Problem:----------After delpoy an EJB application to Websphere server 7, there was an exception: "The user-provided class "XXXX" needed by the EnterpriseBean could not be found or loaded."----------Cause:----------this problem occurs because the stub/skeleton files of 阅读全文