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Dynamics CRM 2013 OnPremise - What is the Entity table [dbo].[attachment]

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Posted on by Gmanunta81

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Hello everybody,

recently I discovered this entity on a CRM 2013 On-Premise database.

the entity Table Name is [dbo].[attachment], what is this table? is it linked to annotationbase or activitymimeattachment ?

thanks in advance

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Kalpavruksh D365 CoE 2,545 on at

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RE: Dynamics CRM 2013 OnPremise - What is the Entity table [dbo].[attachment]

Hi,

ActivityMimeAttachment table does not store the file contents. For all emails, the attached file contents are stored into the Attachment table. You can see the attachmentid (Foreign Key of Attachment table) in the metadata of ActivityMimeAttachment entity : http://msdn.microsoft.com/en-us/library/gg327995.aspx

All other attachments except Email Attachments are stored in annotation entity (AnnotationBase DB table) and the file contents are uploaded into the documentbody string attribute in Base64 string encoded format.

You may also refer: http://msdn.microsoft.com/en-us/library/gg334587.aspx
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Jarrod Williams 1,747 on at

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RE: Dynamics CRM 2013 OnPremise - What is the Entity table [dbo].[attachment]

Judging based on name, columns and a couple of quick queries, it is an out of the box table that stores meta information on file attachments for messages that isn't stored for a typical file record in the annotationbase record.

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