Little White House. Georgia State Parks and Historic Sites. At Warm Springs, Franklin D. Roosevelt, 32nd president of the United States found the strength to resume his political career and a positive outlet for his own personal struggle with polio through creation of the Warm Springs Foundation.
On the other hand, VARCHAR is a variable length Data Type. For example, if you declare a variable/column of VARCHAR (10) data type, it will take the number of bytes equal to the number of characters stored in this column.
VARCHAR : when u r using this data type what ever size u r giving that much of memory is allocated to that variable. suppose u r giving varcahr(20) then u enter only 15 cahracters of that variable then also it is giving memory of 20 cahracters.VARCHAR2: when u r using this data type the memory allocation is different.