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...

Introduction This article delivers an overview of the network data model as well as the hierarchical data model. The network model as well as the original language were presented in the report of the CONFERENCE/COMMITTEE ON DATA SYSTEMS LANGUAGES (CODASYL) database work group of 1971. That is why it is sometimes called the DBTG model. The revised reports of 1978...

This question came from a busy business owner. How do you confront a boss who keeps asking you for more than your responsibilities? There are several things you can do to take charge over your own career and professional development path. First you need to fully understand your job grade, role and responsibilities for that particular role and the role...

Functions of Data Mining Data mining classifies facts or suggests conclusions based on the selection of data to discover patterns or anomalies. Data mining have five key functions: Classification: It defines the characteristics that describe a particular group for example, students who have failed in a particular subject. Clustering – It identifies sets of items that share a specific feature....