what are the Processing Explicit Cursors in plsql?

Question

when ever i run the anonymous plsql block, sql*plus request me enter the parameter input value

I have a variable value like customer_name='xxxcust & lt pvt'

please help me

Answer 1

The four PL/SQL steps necessary for explicit cursor
processing are as follows.
Declare the cursor.
Open the cursor for a Query.
Fetch the results into PL/SQL variables.
Close the Cursor.