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SQL> set termout on
SQL>
SQL> ACCEPT continue_flag CHAR PROMPT 'Do you wish to DROP the tables first (Y/N)?'
Do you wish to DROP the tables first (Y/N)?
SQL> define flag1 = 'n'
SQL> SET TERMOUT OFF
SQL> COLUMN continue_flag NEW_VALUE continue_flag
SQL> SELECT LOWER('&continue_flag') continue_flag FROM dual;
old 1: SELECT LOWER('&continue_flag') continue_flag FROM dual
new 1: SELECT LOWER('') continue_flag FROM dual
C
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1 row selected.
SQL> SET TERMOUT ON
SQL>
SQL> SET SERVEROUTPUT ON
SQL> PROMPT
SQL> BEGIN
2 IF '&flag1' = 'n' THEN
3 DBMS_OUTPUT.PUT_LINE('You must answer either Y or N.');
4 DBMS_OUTPUT.PUT_LINE('Please rerun the command file and answer correctly.');
5 END IF;
6 END;
7 /
old 2: IF '&flag1' = 'n' THEN
new 2: IF 'n' = 'n' THEN
You must answer either Y or N.
Please rerun the command file and answer correctly.
PL/SQL procedure successfully completed.
SQL>
SQL> --Let the calling script know that we were successful.
SQL> define flag2 = 'Y'
SQL>
SQL>
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