What does N in SQLServer mean?

USEmaster; GOSELECTOBJECT_ID (NAdventureWorks. Production. WorkOrder) ASObjectID; what does the GO red N Mean? Plus N indicates that the database is stored in Unicode format. Nstring indicates that string is a Unicode string. The format of the Unicode string is similar to that of a common string,

USE master; go select OBJECT_ID (N 'adventureworks. Production. workorder') AS 'object id'; what does GO red N Mean? Plus N indicates that the database is stored in Unicode format. N 'string' indicates that string is a Unicode string. The format of the Unicode string is similar to that of a common string,

USE master;
GO
SELECT OBJECT_ID (N'Adventureworks. Production. workorder') AS 'object id ';
GO

RedNYesWhatMeaning?

AddNIndicates that the data is stored in Unicode format when stored in the database.
N'String' indicates that string is a Unicode string.

The format of a Unicode string is similar to that of a common stringYesOneNIdentifier (NRepresents the international Language in SQL-92 standards )).NThe prefix must be an uppercase letter. For example, 'michél' is a String constant andN'Michél' is a Unicode constant. Unicode constants are interpreted as Unicode data and do notUseCode Page for calculation. Unicode constantYesSorting rules, mainlyUseTo control comparison and Case sensitivity. Assign the default sorting rules for the current database for Unicode constants unlessUseThe COLLATE clause specifies a sorting rule for it. For each character in Unicode dataUseTwo bytes are stored, and each character in the character data makesUseOne byte for storage.YesFor more information, seeUseUnicode data.

Unicode string constants support enhanced sorting rules.