Boolean « Data Type « Oracle PL / SQL

1.PL/SQL BOOLEAN datatypes accept only TRUE, FALSE, NULL
2.Define and use boolean value
3.Boolean data type with If statement
4.Use the NVL() against a non-initialized BOOLEAN variable:
5.Boolean literals
6.Boolean expressions in where clause
7.Assign a value to a variable of type boolean. Don't use quotes around the value like this