In the preceding chapter you learned the basics of the Apex language for developing business logic. This chapter extends your knowledge of Apex to reach more features of the Force.com platform. The following topics are covered.
• Additional SOQL Features: This section discusses the different ways data from related objects can be queried and how to write queries against multi-select picklists.
• Salesforce Object Search Language (SOSL): SOSL is a full-text search language, a compliment to SOQL, that allows a single query to search the textual content of many database objects and fields.
• Transaction Processing: Apex includes database methods to enable the partial success of transactions, saving and restoring of database ...