Demo course: Oracle Database 11g: SQL Fundamentals II
To recognize the steps for controlling user access to objects and also for maintaining these objects by dropping columns and adding constraints and indexes.
recognize the steps for altering a table by adding, modifying, and dropping columns.
recognize the steps for adding and manipulating constraints and for creating indexes.
identify the steps for recovering your database using flashback, and for manipulating external data.
alter a table by dropping columns and adding constraints and indexes.