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SQL>
SQL> -- DEFINE command and specifying no arguments: list all variables defined
SQL>
SQL> DEFINE V_STUDENT_NBR = "1000";
SQL>
SQL> DEFINE
DEFINE _DATE = "10-SEP-06" (CHAR)
DEFINE _CONNECT_IDENTIFIER = "XE" (CHAR)
DEFINE _USER = "JAVA2S" (CHAR)
DEFINE _PRIVILEGE = "" (CHAR)
DEFINE _SQLPLUS_RELEASE = "1002000100" (CHAR)
DEFINE _EDITOR = "Notepad" (CHAR)
DEFINE _O_VERSION = "Oracle Database 10g Express Edition Release 10.2.0.1.0 - Production" (CHAR)
DEFINE _O_RELEASE = "1002000100" (CHAR)
DEFINE _RC = "0" (CHAR)
DEFINE V_STUDENT_NBR = "1000" (CHAR)
SQL>
SQL>
SQL>
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