首页 >  Term: after-image
after-image

(1) In SQL replication, the updated content of a source-table column that is recorded in a change data (CD) table or in a database log or journal. See also before-image.
(2) The contents of a record in a physical file after the data is changed by a write or an update operation.
(3) A record of the contents of a data element after it has been changed. After-images are used for forward recovery.
(4) A business object that contains all of an entity's data after changes have been made to it during an update operation. An after-image contains the complete business object rather than only the primary key and those elements that were changed. See also delta business object.

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