SET QUOTED_IDENTIFIER ON

 SELECT * FROM "student"   WHERE stuname='江玉婷'

 

 SET QUOTED_IDENTIFIER ON

 SELECT * FROM [student] WHERE stuname='江玉婷'

 

 SET QUOTED_IDENTIFIER OFF

 SELECT * FROM [student]   WHERE stuname='江玉婷'

 

 SET QUOTED_IDENTIFIER OFF

 SELECT * FROM [student]   WHERE stuname='江玉婷'