Sagun is creating a table SALESMAN with fields Salesman number, Name, Total Sales. She doesn’t want the Total Sales column to be remain unfilled i.e. she wants to make entry in this field mandatory. Which constraint she should use at the time of creating SALESMAN table: a. Check b. Default c. Not null d. Primary key

Sagun is creating a table SALESMAN with fields Salesman number, Name,

1.	Sagun is creating a table SALESMAN with fields Salesman number, Name, Total Sales. She doesn’t want the Total Sales column to be remain unfilled i.e. she wants to make entry in this field mandatory. Which constraint she should use at the time of creating SALESMAN table: a. Check b. Default c. Not null d. Primary key
Answer» Correct option: c. Not null

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