18 min Score: 0 Attempted: 0/18 Subscribe 1. Exchange of information between officers and subordinates within the organization is called. (A) Both (B) External communication (C) Internal communication (D) NoneShow All Answers 2. Requisitions sent from one department to the other for material within the same organization is called. (A) Communication through gestures (B) External … Read more
16 min Score: 0 Attempted: 0/16 Subscribe 1. This is a process of transmitting message to receiver in such a manner that he (receiver) understand it. (A) Communication (B) Telephone (C) Telex (D) ExperimentShow All Answers 2. This includes in the elements of effective communication. (A) Clarity or Clear Purpose (B) Avoid Irrelevant Details (C) … Read more
19 min Score: 0 Attempted: 0/19 Subscribe 1. Durability can be ensured in ______ ways. (A) 3 ways (B) 2 ways (C) 4 ways (D) 5 waysShow All Answers 2. Performing concurrent execution of transactions reduces (A) Queue time (B) Buffer time (C) Waiting Time (D) Evaluation timeShow All Answers 3. When a transaction is … Read more
18 min Score: 0 Attempted: 0/18 Subscribe 1. A many to many relationships between two entities usually results in how many tables? (A) One (B) Two (C) Three (D) FourShow All Answers 2. An ________ is a set of entities of the same type that share the same properties, or attributes. (A) Entity model (B) … Read more
12 min Score: 0 Attempted: 0/12 Subscribe 1. The _______ is a cycle that traces the history of the database in an information system. (A) Database design (B) Database architecture (C) Database (D) Database life cycleShow All Answers 2. Producing the required information flow is part of the ______ phase of the Database Life Cycle … Read more
15 min Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is not a built-in aggregate function in SQL? (A) Avg (B) Max (C) Count (D) TotalShow All Answers 2. The _____ aggregation operation adds up all the values of the attribute? (A) Add (B) Sum (C) Max (D) AvgShow All Answers 3. What … Read more
15 min Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is not a built-in aggregate function in SQL? (A) Total (B) Max (C) Avg (D) CountShow All Answers 2. The _____ aggregation operation adds up all the values of the attribute? (A) Sum (B) Avg (C) Max (D) AddShow All Answers 3. What … Read more
14 min Score: 0 Attempted: 0/14 Subscribe 1. A functional dependency is a relationship between or among (A) Entities (B) Rows (C) Tables (D) AttributesShow All Answers 2. The database design prevents some data from being stored due to _______. (A) Deletion anomalies (B) Update anomalies (C) Insertion anomalies (D) Selection anomaliesShow All Answers 3. … Read more
11 min Score: 0 Attempted: 0/11 Subscribe 1. A table is a collection of relationships, there is a close correspondence between concept of: (A) Table and instances (B) Table and variables (C) Tables and entries (D) Tables and relationsShow All Answers 2. Which of the following is generally used for performing tasks like creating the … Read more
13 min Score: 0 Attempted: 0/13 Subscribe 1. The term ‘semantic’ means? (A) Data (B) Attribute (C) Meaning (D) DetailedShow All Answers 2. Which of the following is not true of semantic objects? (A) Always describe a distinct identity (B) Always provide a sufficient description (C) Are always named (D) Always represent physical entitiesShow All … Read more