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<chapter id="dml">

<title>Data Manipulation</title>

The previous chapter discussed how to create tables and other

structures to hold your data. Now it is time to fill the tables

with data. This chapter covers how to insert, update, and delete

table data. We also introduce ways to effect automatic data changes

when certain events occur: triggers and rewrite rules. The chapter

table data. The chapter

after this will finally explain how to extract your long-lost data

from the database.

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