Concept of cardinality - Study guides, Class notes & Summaries

CBIS 3210 Test 2 Questions with Answers Entity Relationship Diagram (ERD) - Answer-A detailed, logical, and graphical representation of the entities, associations, and data elements for an organization or business ERD Terminology - Answer-Entity Attribute Primary Key Relationship Cardinality Maximum Cardinalities - Answer-Maximum of instances that are allowed, largest number of rows in the table ERD Notation - Answer-Crow's Foot Notation ERD Design Guidelines - Answer-Avoid u...

Flat Files a file having no internal hierarchy Hashed Files A file that has been encrypted for security purposes. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Heap File An unsorted set of records. Information The transformation of raw data into useful facts. Punch Card A card that is perforated and can hold commands or data. Structured Data Information with a high degree of ...

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...

C. asking probing questions about the total number of counters each student has. A kindergarten teacher observes as a small group of students practice comparing numbers and quantities using manipulatives. Each student has four counters. One student's counters are spaced farther apart than the other students' counters, and several members of the group claim that student has more counters than everyone else. The teacher can build on the students' understanding of counting and cardinality by: ...

What is the Von Neumann architecture and what are some of its characteristics? - ANSWER It is a stored program concept that came about in the 50's and 60's. - It is the structure of the modern computer - structure evolves over time Discuss network architecture and what it entails? - ANSWER - interconnected computers - network architectures were propriety - specialized equipment - star architecute evolved into the current hub and spoke model What is contention? - ANSWER When sever...

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...

assessment with children who have developmental delays correct answer: includes input from parents and addressees children's interests, needs, and personal characteristics in addition to intellectual and ability testing. testing should be done in child's dominant language, and should consider cultural factors. timing of language development correct answer: one size does not fit all/ general time of language learning Phonemic Awareness correct answer: recognizing that spoken words are ...

MTTC Test (Lower Elementary Test #119) Exam Questions With 100% Correct Answers 1. A kindergarten teacher observes as a small group of students practice comparing numbers and quantities using manipulatives. Each student has four counters. One student's counters are spaced farther apart than the other students' counters, and several members of the group claim that student has more counters than everyone else. The teacher can build on the students' understanding of counting and cardinali...

FMT3701 EXAM PACK 2023 LATEST QUESTIONS AND ANSWERS. NUMBERS ADDITION: ● A way of putting together 2 or more things to find out how many there are together. ● Each addition fact is made up of 2 or more addends and a sum ● Some beginners practise with coins or bottle caps ● Each addition fact consists of an (ADDEND) + (ADDEND) = (SUM) BASIC FACTS COUNTING TOGETHER When you put together 2 or more sets to form a new set and find out how many there are together in the new set, you c...

Associative Entity An associative entity is an element of the entity-relationship model. All relationships for the associative entity should be many. Attribute An attribute is a property or characteristic of an entity. Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:11 / 0:15 Full screen Binary relationship A binary relationship is a relationship between two entity types. Candidate Key Is any column or a combinatio...