When deciding whether or not to use composite keys, does it matter whether or not you employ composite attributes?

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: Can the ability to utilise composite keys be determined independently of the composite…

A: Composite keys are an essential feature of databases, allowing tables to be related to each other…

Q: prima and foreign keys (arrows) must be identified. BANK BRANCHES BANK BRANCH Code Name Addr Addr…

A: Answers If you have any doubts, please give me comment... BANK(Code, Name, Addr);…

Q: Ineed help with the SQL query for the following question: 1. Get top 5 list of most liked and…

A: Explanation: The below query selects the Top 5 table data based on city, rating and price. The…

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here entity branch is a weak entity and therefore it will include primary key of bank as prime…

Q: list and explain different types of attributes with example.

A:

Q: When an attribute is part of a composite primary key, it is also considered a candidate key for the…

A: Intro Inspection: A single field or a composite phrase that satisfies the criteria of a primary key…

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

A:

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: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: ANSWER:-

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: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here the entity BankBranch is a weak entity and therefore we need to include primary key of Bank as…

Q: Can the ability to utilise composite keys be determined independently of the composite…

A: The composite keys are an essential feature of databases, it allowing the tables to be related to…

Q: Please convert following figure into a relational schema. In each table, the primary key and foreign…

A: Here the entity BankBranch is a weak entity and therefore we need to include primary key of Bank as…

Q: Please provide an example of what is meant by the term "Key Attribute."

A: Given that : Crucial CharacteristicA data item or a value that is used to identify a record in a…

Q: Relationship of the student you have to normalized. Do fast neeed in 15 min Please

A: I have answered below:

Q: Which quality of the table demonstrates why it is not in first normal form? A: There are only…

A: Here, we have to explain why the table is not in first normal form.

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: Does the ability to include composite characteristics in composite keys depend on the composite…

A: Indeed, the composite attributes are necessary for the ability to include composite qualities in…

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: Matching the following descriptions with the appropriate relationship cardinalities. Students have a…

A: 1) There are fou types of relationships that can exist between two entities. One-to-One…

Q: provide an example of what is meant by the term "Key Attribute."

A: A key in DBMS is a attribute or a set of attributes that assistance to particularly recognize a…

Q: Select the best answer from the given choices: Using the company schema, when creating the…

A: Actually, database is used to stores the data.

Q: What type of relationship can’t be stored in a relational database? Why?

A: Many to many relationships can not be stored in the relational database. Many to many relationships…

Q: Database System Practical Examimenation Assume you have the following database system relations:…

A: SQL Server Query to create tables   Note: Dear user, as per company policy we can answer only first…

Q: Does it make a difference, when determining whether or not you may utilize composite keys, the…

A: Composite keys are useful when a table does not have a single attribute that can uniquely identify…

Q: A potential primary attribute is a component of a composite primary key.

A: In the context of database design, the concept of primary keys is crucial for uniquely identifying…