Creating and Modifying Tables
Chapters 5, 6, and 7 introduced you to Data Manipulation Language (DML), which is SQL’s data management terminology. In those chapters, you learned to manipulate the data stored in your database. DMZ’s sibling, Data Definition Language (DDL), manages the objects in a database—specifically, the tables, indexes, and relationships, as defined below.
KeywordsCheck Constraint Constraint Table Phone Type Constraint Constraint Create Table
Unable to display preview. Download preview PDF.