Default Value

Global variables can have literal, NULL, or system constant default values. 
(1)
Default Value

1  %Literal Number1
1  %Quoted
String2
1  %Literal Interval3
1  %Literal
Datetime4
1 
2.1 CURRENT
2.1 SYSDATE
1?  %DATETIME Field Qualifier5
2.1 CURRENT_USER
2.1 DBSERVERNAME
2.1 SITENAME
2.1 TODAY
2.1 USER
2.1 NULL
Notes:

If you specify a default value, the global variable is initialized with the specified value.