Salesforce.com Id attribute seems to have a 15 and 18 character value, whats the difference?
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When using the SOAP API to work with salesforce.com (SFDC) it seems that the primary key in the underlying database is Id. Well there seems to be two representations of this value as either a 15 character version or an 18 character version. I have been using the 18 since it is clearly more specific, but what is contained in the last three digits, that they can be dropped, seemingly? Anyone understand what this is all about? From the Web Services API Developer's Guide : ID fields in the Salesforce.com user interface contain 15-character, base-62, case-sensitive strings. Each of the 15