Change the Vertical alignment property to Superior and click the Next button.ġ7. Select the projectid field and click Next.ġ6. This step will be related to the foreign key field. We define the field as pvalue Auto Increment so no value is passed for this field in the Employeeprojects table.ġ5. For the EmployeeID field select EmployeeID and for the pvalue field choose Auto Increment. Relating the fields of the employees and employeeprojects tables. In the Table Name property, choose employeeprojectsġ4. It also changes the Columns property to 1.Īfter selecting the checkbox, the Mark and uncheck all option is enabled.ġ3. In the property object, select the checkbox option. To continue, click on the Next button.ġ2. Check the generated SQL command, if necessary you can modify it. Click Choose Table and select the project table, and then click the Next button.ġ1. In the property field, report projects for the data type, and report Projects for label. Start the wizard to create the relationship field. On the application menu, go to the NN Relationships folder and click on the New Relationship item.ĩ. Change the following properties of the existing block: Creating a many-to-many relationshipĨ. In the application menu to access the Layout folder and click on the Blocks item.ħ. In the employeeid field, select the option Automatic increment (automatic).Ħ. In the application menu, click Edit Fields.ĥ. We will now assign value to a field that is out of the form view. In the application menu, click Field Positioning and delete all fields except the firstname.Ĥ. The table width property reports the value 350 and the Unit table width property selects Pixel.ģ. Create a new application form based on the employee table.Ģ. The data referring to employees will be recorded in the Employees table and the data selected in the check box will be recorded in the EmployeeProjects table (employeeid, projectid). The form data will be stored in two tables: Employees and EmployeeProjects. The check box form field will be fed by the Project table.Ģ. Describes a request form that uses three tables simultaneously an NN relationship in a database.ġ. In this example, we will create an application that updates the tables in a many-to-many relationship using the checkbox object, see the image below.
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