Multivalued attribute - Study guides, Class notes & Summaries

WGU C170 ER-Modeling Questions Guaranteed A+ Unary relationships are common in manufacturing industries. TRUE _________________ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design. Documentation Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:12 / 0:15 Full screen Ideally, an entity identifier is composed of...

CIS 505 Week 1|Complete Questions with 100% Correct Answers OLTP Online Transaction Processing OLAP online analytical processing transactional database A database designed to keep track of the day-to-day transactions of an organization. Analytical Data Store Stores historical transactional and summary data relational database Most common structure for database. *Distinguished by multiple tables with interrelated fields. *When queried, data can be pulled form any # of relations that ...

A composite identifier is a primary key composed of more than one attribute. a. True b. False ANSWER: True DIFFICULTY: Difficulty: Easy REFERENCES: 4-1b Attributes LEARNING OBJECTIVES: 04.01 - Identify the main characteristics of entity relationship components 9. The Crow's Foot notation easily identifies multivalued attributes. a. True b. False ANSWER: False DIFFICULTY: Difficulty: Easy REFERENCES: 4-1b Attributes LEARNING OBJECTIVES: 04.01 - Identify the main characteristics of e...

WGU C170 Chapter 2 Exam Review |Question and Answer| 100% Correct binary relationship *Ans* An ER term for an association (relationship) between two entities. For example, PROFESSOR teaches CLASS. cardinality *Ans* An attribute that can be further subdivided to yield additional attributes. For example, a phone number such as may be divided into an area code (615), an exchange number (898), and a four-digit code (2368). Compare to simple attribute. composite identifier *Ans* In ER m...

BCIS 4610 FINAL EXAM, UNT. Conceptual Data Modeling - Answer- a detailed model that captures the overall structure of data in an organization Two perspectives on data modeling: - Answer- -Top-down approach for a data model is derived from an intimate understanding of the business. -Bottom-up approach for a data model is derived by reviewing specifications Entity-Relationship data model - Answer- A detailed, logical representation of the entities, associations, and data elements for an ...

C170 WGU QUESTIONS WITH ACCURATED ANSWERS 2023 An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. 1nf Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:05 / 0:15 Full screen A determinant i...

CIS 217 Midterm Exam | Q & A (Complete Solutions) The chapter noted that creating application software is a human-driven process requiring human aptitudes and skill sets that exceed the abilities of artificial intelligence—which of the following is NOT one of those human abilities: Symbolic processing Which of the following is an example of application software: Payroll system System software is: Software used to develop and use application software The relationship between the terms "busin...

CS 1104 COMPUTER SYSTEMS QUESTIONS AND ANSWERS RATED A+ Name an unary Boolean function: NOT What is the most basic element of every computer system? c. Logic Gate Every Boolean function can be constructed from only: c. Nand function AND If a=b=1 then out=1 out=0 NOT If in=0 then out=1 else out=0 NAND If a=b=1 then out=0 out=1 OR If a=b=0 then out=0 out=1 The boolean expression A · B represents which of the following: a. A AND B True/False: According to DeMorgan's Theorem, inverting the...

Data Management Applications C170 with complete solution. Graded A+. 2022/2023. Document Content and Description Below Data Management Applications C170 with complete solution What is a table? Answer- A table is a persistent representation of a logical relation that is a relation whose contents can be saved for per manent use. What are the characteristics of a relational table? Answer- The characteristics of a relational table are that a table is perceived as a two-dimensional structure compos...

An entity is said to be X -dependent if it can exist in the database only when it is associated with another related entity occurrence. - existence A table that has all key attributes defined has no repeating groups and all its attributes are dependent on the primary key is said to be in X. - 1nf A determinant is any attribute whose value determines other values within a column. - F X is a process that is used for changing attributes to entities. - Normalization Any attribute whose value d...