September 2009
Intermediate to advanced
1050 pages
29h 36m
English
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CHAPTER 8DML and Concurrency
Exam Objectives
In this chapter you will learn to
• 051.9.1 Describe Each Data Manipulation Language (DML) Statement
• 051.9.2 Insert Rows into a Table
• 051.9.3 Update Rows in a Table
• 051.9.4 Delete Rows from a Table
• 051.9.5 Control Transactions
• 052.9.1 Manage Data Using DML
• 052.9.2 Identify and Administer PL/SQL Objects
• 052.9.3 Monitor and Resolve Locking Conflicts
• 052.10.1 Explain the Purpose of Undo
• 052.10.2 Understand How Transactions Generate Undo
• 052.10.3 Manage Undo
Data in a relational database is managed with the DML (Data Manipulation Language) commands of SQL. These are INSERT, UPDATE, DELETE, and (with more recent versions of SQL) MERGE. This chapter discusses what happens in memory, and ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.