1. Which of the following best defines a database performance tuning? Database performance tuning refers to a set of activities and procedures designed to reduce the response time of the database system 2. Which of the following is NOT a…
1. Which of the following best defines a transaction? A transaction is a logical unit of work that must be entirely completed or entirely aborted 2. Which of the following is not a transaction property? Completeness 3. Which of the…
1. What is the process that establishes the need for an information system and its extent? Systems analysis 2. Which of the following is NOT a factor of the performance of an information system? Database management functions and features 3.…
1.Which statement best defines a schema? A schema is a logical group of database objects—such as tables and indexes—that are related to each other. 2. Which of the following is NOT a valid clause of CREATE TABLE statement? SECONDARY KEY…
1.What has been the greatest cause of economic inequality in recent years? Inequality in wages 2. Which of following factors is the primary reason for the Great Divergence in the United States? Widening wage gap between middle and top earners.…
1. Which of the following is a valid SQL statement? SELECT column1, column2 FROM table_name; 2. Which of the following arithmetic operators is not valid? @ : Raise to power of 3. Which of the following is not performed as…
1.Which of the following is an example of government regulation? The legal prohibition of an act with negative externalities 2. Why is the Coase theorem often inapplicable to real world situations? Transaction costs are rarely low 3. Which of the…
1. Using attributes such as STU_LNAME and STU_FNAME, the entity STUDENT would be represented with a _____ in the Chen model. rectangle 2. One important inheritance characteristic is that all entity subtypes inherit their _____ key attribute from their supertype.…
1.The law of diminishing returns states that ______________. adding more of one factor of production eventually yields smaller increases in output 2. How do economic profit and accounting profit differ? Economic profit includes implicit (opportunity) costs and accounting profit does…
1. Use the above business rules for the cruise database to answer what is the appropriate connector for number 1 2. Use the above business rules for the cruise database to answer what is the appropriate connector for number 2…
