Creating and Modifying Tables

An Introduction to SQL’s Data Definition Language
  • Susan Sales Harkins
  • Martin W. P. Reid


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.


Check Constraint Constraint Table Phone Type Constraint Constraint Create Table 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Susan Sales Harkins and Martin W.P. Reid 2002

Authors and Affiliations

  • Susan Sales Harkins
  • Martin W. P. Reid

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