How to create a table in MySQL If a 1:M relationship is optional on the 1 side and mandatory on the M side, which of the following is true? The resulting foreign key can have null (empty) values. The resulting
Explain the process of characterizing a new internetwork using the OSI model as its foundation. What tools would you use to assist in your planning efforts? Q1)- What is the relationship between level 0 and level 1 DFD diagrams? Explain. Q2)- What does Use...
Define block in computer science. What is the difference between i++ and ++i when incrementing a variable? What does spooling mean? How is bit rate related to bandwidth? Explain how arrays allow you to easily work with multiple values. Explain the relationship between the length and valid in...
In your answer do mention about bitcoins. Explain the basic concepts of an accounting information system. Explain the terms "liquidity" and "solvency." In regards to partnerships, define the term "basis" and explain why it is important to understand. What are the relati...
Write single-table SQL queries to answer the following questions: 1) How many students are enrolled in Section 2714 in the first semester of 2008? 2) Which faculty members have been qualified to teach ___ operators compare the relationship ...
What attributes would you have in a table to describe an entity called BOOK? What would you use as the primary key? What would be the relationship between AUTHOR and BOOK? Assume that a book can only What are the principles of a database man...
What are the design concepts and assumptions behind a class, an object and the relationship between them? What are the roles methods and static fields play in OOP? What is the role of constructors in Pick a pair of concrete classes in the JDK in a parent-child relationship and discuss...
What are the design concepts and assumptions behind a class, an object and the relationship between them? What are the roles methods and static fields play in OOP? What is the role of constructors in Answer the following questions: (i) Write any one of the similarities or dissimilar...
Knowledge Data Information Knowledge in IS Answer and Explanation: Value of Knowledge in IS: In an Information system, the components Data, Information, and knowledge are connected with each other. Data represents... Learn more about this topic: ...
and octagons represent operations such as table space scans, index scans, joins, etc. The graphical representation shows the relationship between the database objects and the operations. When the user selects a node of the graphical representation, detailed information related to the selected node ...