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Learning Force.com Application Development

Learning Force.com Application Development

By : Madusanka
4.3 (4)
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Learning Force.com Application Development

Learning Force.com Application Development

4.3 (4)
By: Madusanka

Overview of this book

If you are a developer who wants to learn how to develop and deploy applications from the Salesforce.com platform, then this book is for you. No prior knowledge of Salesforce is necessary.
Table of Contents (15 chapters)
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14
Index

Data manipulation on the Force.com platform


DML statements allow users to retrieve, insert, delete, and update sObject data in the Force.com database. Apex has a set of DML commands, as follows, which can take a single sObject or a list of sObjects:

  • insert: This command is used to add records to the particular Force.com database object. The ID is automatically generated for a record while executing this command.

  • update: This command is used to update fields of an existing record in the Force.com database object. The update is based on the ID of the particular record.

  • upsert; Based on the ID field, this command can either insert or update the particular records. If the record has a value for the ID field, then the record will be updated, and if the record doesn't have a value for the ID field, the record will be inserted.

  • delete: This command is used to delete records from the Force.com database based on the ID of the record. If any record is adhered to cascade deleting (such as a master-detail...

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