What should adeveloper do to meet these requirements? The operation manager at a construction company uses a custom object called Machinery tomanage the usage and maintenance of its cranes and other machinery. The manager wants to beable to assign machinery to different construction jobs, and track the dates and cost associated witheach job. More than one piece of machinery can be assigned to one construction job.
Often times companies need to input data where relationships among the data wants to be analyzed. Specifically, it is called a Master-Detail relationship. If a construction company is inputting data but wants to use a custom object called machinery tomanage, the usage and maintenance of its cranes and other machinery.
The manager will then want to assign the machinery to different construction jobs so that the work can be done. He will need to track the dates and the costs associated with each job. More than one piece of machinery can be assigned to one construction job.
In order to do this, he must create a junction object with Master-Detail Relationship to both the machinery object and the construction job object in order for it to work.