Executing commands that modify information in the database

Built-In Database Objects In addition to creating the database files, several other structures are created. Data dictionary: Contains descriptions of the objects in the database Dynamic performance tables: Contains information used by the database administrator (DBA) to monitor and tune the database and instance PL/SQL packages: Program units adding functionality to the database. These packages are created when the catproc.sql script is run after the CREATE DATABASE command. PL/SQL packages will not be discussed within the scope of this course.

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Executing Commands that Modify Information in the Database You can use the ExecuteNonQuery() method of a Command object to execute any command that doesn't return a result set from the database

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