All Relationships Participating in an Arc Must Be Mandatory

All ERDs must have at least one Arc. All relationships participating in an arc must be mandatory.

Database Design Ch 7 Study Guide Flashcards Quizlet

Answer all questions in this section 1.

. The total amount of a ticket transaction. Parents are critical members of the ARC. -Memory and Storage Management.

An application is not complete until all required documents and information have been received with all required signatures and fees paid. Mark for Review 1 Points A composite attribute An arc can be assigned An attribute An optional attribute can be created Correct Correct 2. Many to Many Optional.

A Something that each Entity should have but is not mandatory b Useful as an alternative means of identifying instances of an entity independent of their datatype c Mandatory in data modeling d Always comprised of numbers. All relationships participating in an arc must be mandatory. The Attributes pane only displays information for the link chart aggregation layerthe BuiltBy relationship groups.

Recursive Relationship General Relationship. Assume that you are implementing an Exclusive Design Choose Two Make all relationships mandatory. -STUDENT senior male -STUDENT Grade A student Average Student -STUDENT graduating female -STUDENT University Technical College -STUDENT University Technical College Arcs are Mandatory in Data modeling.

The participation of relationships may also be classified as optional or mandatory. Which of the following can be added to a relationship. What is a composite entity and when is it used.

A BANK_ACCOUNT is either for a COMPANY or an INDIVIDUAL but not both. Each LINE must consist of many POINTS and each POINT must be a part of many LINES. Faxed and scanned signatures shall constitute original signatures and s hall be treated with the same force and effect as original signatures.

An asterisk indicates a correct answer. One to Many Optional. Higher-order relationships than ternary are uncommon in E-R modeling.

A DBMS comprises of the following elements. Mark for Review 1 Points. Information is the result of combining comparing and performing calculations on data.

Refer to Section 7 Lesson 1. Many to Many Mandatory. A PART can either be a NUT or BOLT or SCREW but only one of these at a time.

Mark for Review 1 Point True False 13. Choose Mark for Review two 1 Points Choose all correct answers One or more Entities Relationships between entities Arcs At least one supertype and subtype Section 4 Answer all questions in this section 41Only teachers may supervise exams is an example of which of the Mark for Review following. Mark for Review 1 Points An arc can be assigned An optional attribute can be created An attribute A composite.

Relationships are also classified as 11 1M and MN. No parts of a UID are mandatory. Regulations at 707 KAR 1320 Section 4 1 require districts to ensure that one or both parents of a student with a disability are present at each ARC meeting or are afforded the opportunity to participate.

All ERDs must have at least one Arc. Mark for Review 1 Points True False Incorrect Incorrect. ARC will not approve an incomplete application.

Mark for Review 1 Points. All relationships participating in an arc must be mandatory. Many to many relationships between entities usually hide what.

When translating an arc relationship to a physical design you must turn the arc relationships into foreign keys. STUDENT University Technical College 14. Relationships at subtype level are implemented as foreign keys but the foreign key columns all.

Mark for Review This watermark does not appear in the registered version -. -Memory and Storage Management. Mark for Review 1 Points True False Correct 38.

A ternary relationship is an association among three entities. 40All ER diagrams must have one of each of the following. At least 1 entity instance must participate in the relationship.

A True b False 9 Primary UIDs are. Choose 3 Choose all correct answers -Query language. Ection 7 Quiz Answer all questions in this section 1.

Which of the following would best be represented by an arc. What additional step must you take with the created foreign keys to ensure the exclusivity principle of arc relationships. Mark for Review 1 Points True False 1.

An arc can be assigned 15. All relationships participating in an arc must be mandatory. A PERSON entity is either an EMPLOYEE or a CUSTOMER but not both.

Mark for Review 1 Points Invalid Relationship Recursive Relationship General Relationship Heirarchical Relationship 2. Which of the following can be added to a relationship. Section 9 Quiz Database Design Oracle.

In the graphic below the same relationship group is selected in the link chart when the Automatically select related data option is unchecked. The term connectivity is used to describe such classifications. The total amount an ARC participating airline charges for each segment plus the fuel surcharge.

What uncommon relationship is described by the statements. 8 All relationships participating in an arc must be mandatory. All relationships participating in an arc must be mandatory.

Terms in this set 18 Which of the following would best be represented by an arc. A relationship between an entity and itself is called aan. An ARC Relationship is an arc symbol used on a data model to indicate that two or more relationships are mutually exclusive XOR.

A recursive relationship must be Mandatory at both ends. The total fee assessed by an ARC participating carrierirline to the ARC Accredited Agencys client for a refund or exchange ticket transaction. In other words participation is mandatory.

It is the base fare plus all of the. Which of the following can be added to a relationship. When mapping supertypes relationships at the supertype level transform as usual.

A recursive relationship must be Mandatory at both ends. All relationships participating in an arc must be mandatory. What additional step must you take with the created foreign keys to ensure the exclusivity principle of arc relationships.

This type of relationship is required when binary relationships are not sufficient to accurately describe the semantics of the association. A relationship between an entity and itself is called aan. You must clear the current selection and select the relationship group or entity group again for the change to take effect.

One to Many Mandatory. The ternary relationship construct is a single diamond connected to three entities as shown in Figure 23. An arc can often be modeled as Supertype and Subtypes.

Answer all questions in this section 1. Explain each of the three basic minimum cardinalities found in. When translating an arc relationship to a physical design you must turn the arc relationships into foreign keys.

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