Variables
Variable_name datatype(size);Constants
Constant_Name constant Datatype(size) := value;Literals
| Literal Type | Example |
|---|---|
| Numeric Literals | 050 78 -14 0 +327676.6667 0.0 -12.0 3.14159 +7800.006E5 1.0E-8 3.14159e0 -1E38 -9.5e-3 |
| Character Literals | ‘A’ ‘%’ ‘9’ ‘ ‘ ‘z’ ‘(‘ |
| String Literals | ‘Hello, world!”Tutorials Point”19-NOV-12’ |
| BOOLEAN Literals | TRUE, FALSE, and NULL. |
| Date and Time Literals | DATE ‘1978-12-25’;TIMESTAMP ‘2012-10-29 12:01:01’; |