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Development with the Force.com Platform: Building Business Applications in the Cloud, Third Edition by Jason Ouellette

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Transaction Processing

This section covers three features of Apex that control how transactions are processed by the database:

Image Data Manipulation Language (DML) database methods—DML database methods are much like DML statements from Chapter 4, but add support for partial success. This allows some records from a batch to succeed while others fail.

Image Savepoints—Savepoints designate a point in time that your code can return to. Returning to a savepoint rolls back all DML statements executed since the establishment of the savepoint.

Record locking— ...

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