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Interview Q & A >> SQL Server >> Difference between varchar and nvarchar

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Difference between varchar and nvarchar (Views: 1577)


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Variable-length non-Unicode character data with length of n bytes. n must be a value from 1 through 8,000. Storage size is the actual length in bytes of the data entered, not n bytes. The data entered can be 0 characters in length. The SQL-92 synonyms for varchar are char varying or character varying.
Variable-length Unicode character data of n characters. n must be a value from 1 through 4,000. Storage size, in bytes, is two times the number of characters entered. The data entered can be 0 characters in length. The SQL-92 synonyms for nvarchar are national char varying and national character varying.

Submitted By: Anonymous | Created On: 5/16/2009 4:59:33 PM



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