SET QUOTED_IDENTIFIER ON和SET ANSI_NULLS ON

SET QUOTED_IDENTIFIER OFF  
GO  
-- An attempt to create a table with a reserved keyword as a name  
-- should fail.  
CREATE TABLE "select" ("identity" INT IDENTITY NOT NULL, "order" INT NOT NULL);  
GO  
  
SET QUOTED_IDENTIFIER ON;  
GO  
  
-- Will succeed.  
CREATE TABLE "select" ("identity" INT IDENTITY NOT NULL, "order" INT NOT NULL);  
GO  
  
SELECT "identity","order"   
FROM "select"  
ORDER BY "order";  
GO  
  
DROP TABLE "SELECT";  
GO  
  
SET QUOTED_IDENTIFIER OFF;  
GO