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.
The differences of SQL Server char, nchar, varchar and nvarchar are frequently discussed not just during interviews, but also by developers during discussions on database design. In this tip I would like to share not only the basic differences, but also what we need to know and be aware of when using each data type.