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Which normal form requires that there are no transitive dependencies?

Boyce-Codd normal form (BCNF)

Second normal form (2NF)

Third normal form (3NF) (correct)

First normal form (1NF)

What is the purpose of a dependency diagram?

To depict all relationships among table's attributes (correct)

To eliminate multi-valued attributes

To identify all dependencies

To identify the primary key

In the unnormalized dataset, why is it not in 1NF?

Because it has composite keys

Because it has transitive dependencies

Because it has repeating groups

Because it has multi-valued attributes (correct)

What is the attribute known as when it fully functionally depends on a composite key?

Determinant attribute Signup and view all the answers

Which of the following best describes normalization in the database design process?

Evaluating and correcting table structures to minimize data redundancies Signup and view all the answers

Which normal form assigns attributes to tables based on determination?

Second normal form (2NF) Signup and view all the answers

Denormalization results in increased performance and greater data redundancy.

True Signup and view all the answers

Which of the following is NOT one of the normal forms mentioned in the text?

Fourth normal form (4NF) Signup and view all the answers

Which attribute represents the number of hours an employee worked on a specific project?

HOURS Signup and view all the answers

What does the CHG_HOUR attribute represent?

The amount charged per hour for a job Signup and view all the answers

What is the purpose of normalization in database design?

To eliminate data redundancies Signup and view all the answers

What is a surrogate key?

A numeric value automatically incremented for each new row Signup and view all the answers

Which term describes a functional dependence in which an attribute depends on only part of the primary key?

Partial dependency Signup and view all the answers

In the 'Students' table, what attribute is fully functionally dependent on 'StudentID'?

StudentAdvisor Signup and view all the answers

In the 'Students' table, what attribute is partially dependent on 'StudentID'?

StudentMajor Signup and view all the answers

What term describes a functional dependence among nonprime attributes?

Transitive dependency Signup and view all the answers

In the 'Students' table, what attribute is indirectly dependent on 'StudentID' through 'MajorName'?

Department Signup and view all the answers

Which normal form describes a tabular format in which all key attributes are defined, there are no multi-valued attributes, and all attributes are dependent on the primary key?

First Normal Form (1NF) Signup and view all the answers

What is the purpose of converting a table from First Normal Form (1NF) to Second Normal Form (2NF)?

To eliminate partial dependencies Signup and view all the answers

In Second Normal Form (2NF), what type of dependencies should be eliminated by creating new tables?

Transitive dependencies Signup and view all the answers

What is the purpose of converting a table from Second Normal Form (2NF) to Third Normal Form (3NF)?

To eliminate transitive dependencies Signup and view all the answers

Which of the following statements is true about the normalization process?

Normalization breaks down a relation into a new set of relations. Signup and view all the answers

What is the objective of the normalization process?

To ensure that each table conforms to the concept of well-formed relations. Signup and view all the answers

In the first example given, why is 'EmployeeName' not fully functionally dependent on 'EmployeeID'?

Because 'EmployeeName' can also be determined by the 'Department' attribute. Signup and view all the answers

In the second example given, why is 'EmployeeName' fully functionally dependent on 'EmployeeID'?

Because 'EmployeeName' is not determined by any other attribute. Signup and view all the answers

According to the data-modeling checklist, what should attribute names be?

Unique within the entity Signup and view all the answers

According to the data-modeling checklist, what should entity names be?

Nouns familiar to business Signup and view all the answers

According to the data-modeling checklist, what should relationship names be?

Active or passive verbs Signup and view all the answers

According to the data-modeling checklist, what should entities represent?

A set of distinguishable entity instances Signup and view all the answers

According to the data-modeling checklist, what should be clearly defined for each entity?

PK Signup and view all the answers

According to the data-modeling checklist, what should be included in the naming conventions for entity names?

Abbreviations, synonyms, and aliases Signup and view all the answers

According to the data-modeling checklist, what should attribute names be?

Descriptive of the characteristic Signup and view all the answers

According to the data-modeling checklist, what should entity names be?

Familiar to business Signup and view all the answers

According to the data-modeling checklist, what should relationship names be?

Active or passive verbs Signup and view all the answers

What should be clearly defined for each entity according to the data-modeling checklist?

Granularity of the entity instance Signup and view all the answers

According to the data-modeling checklist, what should entities represent?

A single subject Signup and view all the answers

What should attribute names use as a prefix according to the data-modeling checklist?

Entity abbreviation Signup and view all the answers

What should not be contained in attribute names according to the data-modeling checklist?

Reserved words Signup and view all the answers

What should be unique within the model according to the data-modeling checklist?

Entity names Signup and view all the answers

What should not be a reserved word according to the data-modeling checklist?

Attribute names Signup and view all the answers

What should document abbreviations, synonyms, and aliases for each entity according to the data-modeling checklist?

Entity names Signup and view all the answers

ما هي الخطوة التالية بعد تحديد التخطيط المطلوب من القائمة؟

النقر على الرمز للكشف عن التخطيطات المتاحة Signup and view all the answers

ما هو الرمز الذي يجب النقر عليه لتغيير عدد الشاشات؟

الرمز في الزاوية العلوية اليسرى Signup and view all the answers

كم عدد الكاميرات المعروضة على الشاشة عند عرض كاميرا واحدة؟

1 Signup and view all the answers

ما هو الرمز الذي يجب النقر عليه لتحديد عدد نوافذ العرض؟

الرمز في الزاوية العلوية اليسرى Signup and view all the answers

كم عدد الكاميرات المعروضة على الشاشة عند عرض 6 كاميرات؟

6 Signup and view all the answers

ما هو التصنيف الذي يستخدم لهذا النظام؟

تصنيف ADNOC الداخلي Signup and view all the answers

ما هو الهدف من تدريب مشغلي ومشرفي غرفة التحكم وأنظمة المرئية؟

تدريب المشغلين والمشرفين على استخدام غرفة التحكم وأنظمة المرئية Signup and view all the answers

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Questions and Answers

Which normal form requires that there are no transitive dependencies?

What is the purpose of a dependency diagram?

In the unnormalized dataset, why is it not in 1NF?

What is the attribute known as when it fully functionally depends on a composite key?

Which of the following best describes normalization in the database design process?

Which normal form assigns attributes to tables based on determination?

Denormalization results in increased performance and greater data redundancy.

Which of the following is NOT one of the normal forms mentioned in the text?

Which attribute represents the number of hours an employee worked on a specific project?

What does the CHG_HOUR attribute represent?

What is the purpose of normalization in database design?

What is a surrogate key?

Which term describes a functional dependence in which an attribute depends on only part of the primary key?

In the 'Students' table, what attribute is fully functionally dependent on 'StudentID'?

In the 'Students' table, what attribute is partially dependent on 'StudentID'?

What term describes a functional dependence among nonprime attributes?

In the 'Students' table, what attribute is indirectly dependent on 'StudentID' through 'MajorName'?

Which normal form describes a tabular format in which all key attributes are defined, there are no multi-valued attributes, and all attributes are dependent on the primary key?

What is the purpose of converting a table from First Normal Form (1NF) to Second Normal Form (2NF)?

In Second Normal Form (2NF), what type of dependencies should be eliminated by creating new tables?

What is the purpose of converting a table from Second Normal Form (2NF) to Third Normal Form (3NF)?

Which of the following statements is true about the normalization process?

What is the objective of the normalization process?

In the first example given, why is 'EmployeeName' not fully functionally dependent on 'EmployeeID'?

In the second example given, why is 'EmployeeName' fully functionally dependent on 'EmployeeID'?

According to the data-modeling checklist, what should attribute names be?

According to the data-modeling checklist, what should entity names be?

According to the data-modeling checklist, what should relationship names be?

According to the data-modeling checklist, what should entities represent?

According to the data-modeling checklist, what should be clearly defined for each entity?

According to the data-modeling checklist, what should be included in the naming conventions for entity names?

According to the data-modeling checklist, what should attribute names be?

According to the data-modeling checklist, what should entity names be?

According to the data-modeling checklist, what should relationship names be?

What should be clearly defined for each entity according to the data-modeling checklist?

According to the data-modeling checklist, what should entities represent?

What should attribute names use as a prefix according to the data-modeling checklist?

What should not be contained in attribute names according to the data-modeling checklist?

What should be unique within the model according to the data-modeling checklist?

What should not be a reserved word according to the data-modeling checklist?

What should document abbreviations, synonyms, and aliases for each entity according to the data-modeling checklist?

ما هي الخطوة التالية بعد تحديد التخطيط المطلوب من القائمة؟

ما هو الرمز الذي يجب النقر عليه لتغيير عدد الشاشات؟

كم عدد الكاميرات المعروضة على الشاشة عند عرض كاميرا واحدة؟

ما هو الرمز الذي يجب النقر عليه لتحديد عدد نوافذ العرض؟

كم عدد الكاميرات المعروضة على الشاشة عند عرض 6 كاميرات؟

ما هو التصنيف الذي يستخدم لهذا النظام؟

ما هو الهدف من تدريب مشغلي ومشرفي غرفة التحكم وأنظمة المرئية؟

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