Default Column Value « Table « Oracle PL/SQL Tutorial

6.14.Default Column Value
6.14.1.Using Default Values
6.14.2.Insert record into a table with default value
6.14.3.Override the defaults by specifying a value for the columns
6.14.4.Update a column and set it back to the default using the DEFAULT keyword in an UPDATE statement
6.14.5.Update statement with default
6.14.6.Add a column with default value
6.14.7.Date type column with current date as the default value
6.14.8.null with default value column