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ABAP Keyword Documentation → ABAP − Reference → Processing External Data → Data Consistency →Database LUW
A database LUW is a non-separable sequence of database operations that ends in a database commit. The database LUW is either executed completely by the database system, or not at all. After a database LUW has been completed successfully, the database returns to a consistent status and a new database LUW is opened. If an error is discovered within a database LUW, all database changes made since the start of the database LUW can be canceled using a database rollback. The database is subsequently restored to the same status as before the start of the database LUW.
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