「Delphi 2009」や「C++Builder 2009」ではこれに対応して従来のANSIデータもUnicodeデータも双方ともにシームレスに扱えるように工夫されている。

The corresponding column type is NVARCHAR or NCHAR. If 'N' is not added, SQL Server will process the string using non-Unicode encoding, which may result in character loss, index failures, and data ...

In relational databases, VARCHAR is one of the most commonly used string data types for storing variable-length character data ... Differences in VARCHAR Between SQL Server and PostgreSQL SQL Server ...

Unicode includes a render command past which other data can be bundled but not rendered, and exploiting that effectively allows users to create hidden messages within Unicode characters.