Properties of a Hierarchical Schema The hierarchical schema of record types as well as Parent Child Relationship (PCR) types should have the subsequent properties: A record type, known as a root of the hierarchical schema, do not take part in any type of Parent Child Relationship (PCR) as a child record type. Each and every single record type excluding the...

This question came from a busy business owner. Should I stop contacting a customer who isn’t responding to my emails or phone calls? Two months ago, we sent our response to a bid. I’ve been trying to get feedback and follow up with the customer, but they have gone silent. I’ve tried reaching them by email and phone. How long...

Currency Indicators The network’s Data Manipulation Language (DML) restores as well as updates by moving or searching database records. Therefore, it is important to keep an eye on the search. Currency indicators allow an individual to keep track of the records that an individual has accessed last as well as find set occurrences in the DATABASE MANAGEMENT SYSTEM (DBMS). They...

This question came from a busy business owner. I have an employee that spends all day on his phone, but he always gets his work done well. Other members of the team are annoyed by him. Do I fire him? I am sure that “spends all day on his phone” is an exaggeration, but I get your point. I have...

Representation of M : N Relationships by Sets The set type represents a 1 : N (one : many) relationship among two (2) types of records, which indicates that a record of the member record type can be displayed in a single specified set instance. The DATABASE MANAGEMENT SYSTEM (DBMS) automatically applies this restriction in the network model. To represent...

This question came from a busy business owner. How do you handle a disappointing raise at your job even though it was a productive year, all while your boss’s excuse was there were too many good employees? The best way to handle disappointment is to be prepared with the following knowledge: Knowledge of your skills, talent and expertise value in...