In order to test your progress, you should be able to answer the following questions.
SQL*Plus understands a semicolon as a terminating symbol of a PL/SQL block.
Substitution variables are used to
_____ read input information provided by a user .
_____ provide a user with output information.
_____ both a and b.
PUT_LINE is one of the procedures from the DBMS_OUTPUT package.
DBMS_OUTPUT.PUT_LINE writes information to the buffer for storage before it is displayed on the screen.
The SET command SET SERVEROUTPUT ON SIZE 8000 is used to
_____ enable the DBMS_OUTPUT.PUT_LINE statement only.
_____ change the buffer size only.
_____ enable the DBMS_OUTPUT.PUT_LINE statement and change the buffer size.
Answers appear in Appendix A, Section 2.2 .