Lab 2.2 Self-Review Questions

In order to test your progress, you should be able to answer the following questions.

1)	SQL*Plus understands a semicolon as a terminating symbol of a PL/SQL block. _____ True _____ False
2)	Substitution variables are used to _____ read input information provided by a user . _____ provide a user with output information. _____ both a and b.
3)	PUT_LINE is one of the procedures from the DBMS_OUTPUT package. _____ True _____ False
4)	DBMS_OUTPUT.PUT_LINE writes information to the buffer for storage before it is displayed on the screen. _____ True _____ False
5)	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 .