In this course, you will learn the basic concepts of data management within Informix. You will learn how to determine correct data types; how to create, manage, and maintain tables and indexes; how the Informix optimizer works; how to manage data; and how to use the SET EXPLAIN feature to determine query effectiveness. This course replaces course number Informix Database Administration: Managing and Optimizing Data (IX221). This is the Classroom version of Instructor-Led Online course Informix 11.7 Database Administration (ILO) (3X222).