You need to create a column that allows you to createa unique constraint. Which two column definitions should you choose?()
- A、nvarchar(100) NULL
- B、nvarchar(max) NOT NULL
- C、nvarchar(100) NOT NULL
- D、nvarchar(100) SPARSE NULL

微信扫一扫手机做题
You need to create a column that allows you to createa unique constraint. Which two column definitions should you choose?()

微信扫一扫手机做题