Explain why an index is only effective when an attribute's values cover a suitable range of values. This is the sole situation in which an index is helpful.

Q: Explain why an index is only effective when an attribute's values cover a suitable range of values.…

A: using a variable index with an extensive range of values An index in computing is a table or other…

Q: Explain why an index is only useful if the values of an attribute are different enough.

A: Introduction Use of an index with a wide range of values A file index is a table or other data…

Q: Explain why an index is only useful if there is sufficient variation in the values of an attribute.

A: A term index is a data structure used in computer science to aid the quick lookup of words and…

Q: Explain why an index is only helpful if an attribute's values are sufficiently diverse.

A: Introduction Use of an index with a wide range of values A file index is a table or other data…

Q: Explain why an index is only useful if an attribute's values change enough.

A:

Q: What is the difference between an attribute with numerous values and a recurring group?

A: An attribute is fields that may be originate in a database management system (DBMS). Constituent of…

Q: Explain why an index is only useful if the values of an attribute are sufficiently varied.

A: Introduction: In computing, an index is a table or other data structure that is used to determine…

Q: First normal form (1NF) requires that the domain of an attribute may contain only. A) Key values B)…

A: First Normal Form also known as (1NF) is Said to be one of the normalization rules in relational…

Q: Is it possible for composite attributes to be part of composite keys?

A: In this question we need to explain whether composite attributes can be part of composite keys or…

Q: An attributes in a relation coming from another relation is called: * O foreign key fields…

A: An attributes in relation coming from another relation is called

Q: Explain why an index is only helpful if the values of an attribute are sufficiently varied

A: Introduction Use of an index with a wide range of values A file index is a table or other data…

Q: Explain why an index is only useful if the values of an attribute vary sufficiently.

A: Introduction: Use of an index with a range of values

Q: Explain why an index is only useful if there is sufficient variation in the values of an attribute.

A: Given: Utilization of an index that covers a broad range of values A table or other data structure…

Q: The set of 7 attributes is { desc, drought, price, sci, size, store, The attributes are for plants…

A: To find the key for all attributes for the given dependency.

Q: Fill in the blank: A supertype is a generic entity type that has

A: Introduction: Below  describe the right option and incorrect option both A supertype is a generic…

Q: Explain why an index is only helpful if an attribute's values cover a suitable range. This is the…

A: The above question is answered in step 2 :-

Q: Give an illustration of what a Key Attribute is.

A: An key attribute that is part of a key or is the whole key.

Q: How does a relation's primary key affect its attributes' functional dependencies?

A: Introduction: Relational databases are widely used in modern computing systems to store and manage…

Q: Does the choice of composite characteristics affect when deciding whether composite keys are…

A: The choice of composite characteristics can indeed influence the decision of whether composite keys…

Q: Give an example of why an index wouldn't be useful if the values of the attribute didn't cover a…

A: Utilizing an index with a broad range of values An index is a table or other data structure used in…

Q: What is a simple (or atomic) attribute?

A: The simple values are the atomic or unique values which can not be modified or altered further.

Q: An index may help speed up searches, but creating an index for every property or combination of…

A: Overview: Creating indexes for every trait and every combination of features that may be used as…

Q: Can a composite attribute be part of a composite key

A: Composite attribute as a composite key Composite attribute is a attribute that contains more than…

Q: Explain why an index is only useful if the values of an attribute span an appropriate range of…

A: Use of an index with a range of values An index is a table or other data structure that is used to…

Q: What exactly does "Attributes" imply?

A: Introduction: Whenever we are working with or programming computers, an attribute refers to a…

Q: When an attribute is part of a composite primary key, it's also a candidate key.

A: A candidate key is a field or expression that satisfies the requirements for a primary key. It is a…

Q: Give an example of why an index is only helpful if the attribute values are diverse enough?

A: Introduction: It's easier to compare biodiversity with other communities when you know the adequate…

Q: A candidate key is a characteristic that is included in a composite primary key.

A: A primary key is a key in each tuple which is unique for each tuple present in the table.

Q: What is the difference between an attribute with multiple values and a recurrent group?

A: Attributes with Multiple Values:  Attributes with multiple values are characteristics or properties…

Q: When you say "interpolation of attributes," what do you mean exactly?

A: In computer graphics, interpolation of attributes refers to the process of estimating intermediate…

Q: A composite primary key has a candidate key for one of its attributes. How would you react to this…

A: Definition: A key is a property or group of properties that allows us to identify a tuple in a…

Q: The properties of the relation object can be used to implement the master-detail functionality which…

A: