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MergeColumnUsage Enumeration

MergeColumnUsage Enumeration​

The MergeColumnUsage enumeration provides options for how the specified column will be merged from the source table to the target table.

Enumeration Values​

NameSummary
Compare
Specifies that the column will only be used in comparing rows for a merge match.
Update
Specifies that the column will only be used to update target table values when a row matches.
Insert
Specifies that the column will only be used to insert new target table values when a row does not match.
CompareUpdate
Specifies that a column with both compare and update but not insert.
CompareInsert
Specifies that a column with both compare and insert but not update.
UpdateInsert
Specifies that a column with both update and insert but not compare.
CompareUpdateInsert
Specifies that a column with compare, update, and insert.
Exclude
Specifies that the column will be excluded entirely from the merge operation.