What’s the maximum length for VARCHAR(MAX), NVARCHAR(MAX) and VARBINARY(MAX) data types?

The maximum storage size for VARCHAR(MAX) is 2^31-1 bytes (2,147,483,647 bytes or 2GB - 1 bytes). The storage size is the actual length of data entered + 2 bytes. The data entered can be 0 characters in length. Since each character in a VARCHAR data type uses one byte, the maximum length for a VARCHAR(MAX) data type is 2,147,483,645.

The maximum storage size for NVARCHAR(MAX) is also 2^31-1 bytes (2,147,483,647 bytes or 2GB - 1 bytes). The storage size, in bytes, is two times the number of characters entered + 2 bytes. The data entered can be 0 characters in length. Since each Unicode character in an NVARCHAR data type uses two bytes, the maximum length for an NVARCHAR(MAX) data type is 1,073,741,822.

The maximum storage size for VARBINARY(MAX) is the same as the maximum storage size for VARCHAR(MAX) and NVARCHAR(MAX), which is 2^31-1 (2,147,483,647 bytes or 2GB - 1 bytes). The storage size is the actual length of the data entered + 2 bytes. The data that is entered can be 0 bytes in length.

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