After this Lab, you will be able to:
Parameters are the means to pass values to and from the calling environment to the server. These are the values that will be processed or returned via the execution of the procedure. There are three types of parameters: IN, OUT, and IN OUT.
Modes specify whether the parameter passed is read in or a receptacle for what comes out.
Figure 12.1 illustrates the relationship between the parameters when they are in the procedure header versus when the procedure is executed.
Formal parameters are ...