167. In Three-Schema Architecture, the schema which gives details about data types, constraints and entities is classified as a. internal schema b. external schema c. logical schema d. conceptual schema

Q: giving an example explain external schema and external views

A: Given: giving an example explain external schema and external views

Q: Q1/Il complete the following with suitable wards : 1-.... produced by the developers,and it will aid…

A: 1.User defined functions produced by the developers, and it will aid the developers in the future if…

Q: Write a sample JSON document that has a structure consistent with the conceptual schema given above.…

A: Please check the step 2 for solution

Q: Question 1) EA3 repository A) Data Flow diagram for loading an artifact to an EA3 repository. B) ERD…

A: ANSWER:-

Q: Design an EER schema for a database application that you are interested in. Specify all constraints…

A: Diagram :

Q: w an ERD & include all the entities, attributes and relationships, PKs and F

A: 1-ERD, showing the connection between one entity to every other entity, and ER diagram enables to…

Q: What exactly is an External schema?

A: Given:

Q: The architecture of database in which the characteristics such as program insulations, multiple user…

A: Required:   The architecture of database in which the characteristics such as program…

Q: In Three-Schema Architecture, the schema in which the part of database is described to the user…

A: Three-Schema Architecture: This framework is used to separate the physical database and user…

Q: ITH CONCEPTS RELATED TO USE OF SEMANTIC OBJECT MODELS & TABLES IN DATABASES. Have a look at the f

A: Q.   THIS Question IS ASSOCIATED WITH CONCEPTS RELATED TO USE OF SEMANTIC OBJECT MODELS &…

Q: Which data model does not support the many-to-many relationship between entities

A: Relational databases

Q: uct a context and data flow diagram level-0 supporting the logical design/implementation of the…

A: Lets see the solution.

Q: Draw a database ER model about airport Covid-19 procedure (can include entities like passenger,…

A: ER diagram will contain Airport Flight Worker/ Employee Ticket Store Supplier and all their…

Q: 114. A tool that can help designers understand the dependencies of database structures is a: a.…

A: Given data: A tool that can help designers understand the dependencies of database structures is…

Q: tudents are required to construct a Star Schema for the clinic's medicine consumption information…

A: SQL(structured query language) that is used to convert data in relational table by using sql…

Q: ase create a schema model out of this scenario.

A: Approach:   1- In this schema, there are four entities like a doctor, patient, practice, and…

Q: The form of data model in which the concepts provided are useful for end users and are also close to…

A: Given that, The form of data model in which the concepts provided are useful for end users and are…

Q: Which data model has the highest level of abstraction? O a. Relational O b. Object-oriented O c.…

A: In this answer I will be discussing about the data model has the highest level abstraction.

Q: he capacity to alter the database schema at one level without altering any other schema level is…

A: A data dependency in applied science may be a scenario within which a program statement…

Q: . In Three-Schema Architecture, the schema which gives the description about physical data model,…

A: There are three type of schema in databases  1) Physical schema or internal schema:- Describes how…

Q: The levels in which the three schema architecture can be defined includes a. internal schema b.…

A: Required:   The levels in which the three schema architecture can be defined includes a.…

Q: bility to modify schema of database in one level without affecting the schema definition in higher…

A: Ability to modify schema of database in one level without affecting the schema definition in higher…

Q: 159. In data modeling, the data constraints, data relationships and data types for the stored data…

A: Given: 159. In data modeling, the data constraints, data relationships and data types for the…

Q: Hi can i get a data schema showing an instance of a table that was not normalised and goes through…

A: The solution for the above given question is given below:

Q: Question 12.1 Use the object definition language ODL of the ODMG object model to specify an object…

A: Publication(Catalog, Title) Publisher(Name, City ,Address) Book(Page_count, Format)…

Q: The type of data independence in which the schema can be altered on conceptual level without…

A: The type of data independence in which the schema can be altered on conceptual level without…

Q: How the concept of ODMG can be utilized to create an object database schema using object definition…

A: ODMG provides a standard data model for object-oriented databases. The object database schema is…

Q: 3. Which of the following is a Data Model? a. Entity-Relationship model b. Relational data model c.…

A: ER or Entity-Relationship model:  it describes interrelated things of interest in a particular…

Q: CakePhP is a high-level PhP-based framework for developing Web applications. 1)List two of the…

A: PHP stands for hypertext preprocessor. PHP is a server-side scripting language whereas cakephp is an…

Q: 171. The type of data independence in which the internal schema can be modified without modifying…

A: There are various types of data independences in dbms. According to the usage of data independence…

Q: 1) Design an Object-Relational geodatabase, E-R diagram, and schema from the following elements.…

A:

Q: 4 An entity cluster is considered "virtual" or "abstract", which combines multiple interrelated…

A: Answer is True

Q: For a three-schema architecture, there is strict partition between external, internal and conceptual…

A: Ans:)  A framework that is used to manage the access to the data mainly has three layers or levels,…

Q: Q1/II complete the following with suitable wards : 1- produced by the developers,and it will aid the…

A: 2. System Development or Software Testing ensures that the users are satisfied and the system meets…

Q: Which among the following are the main function of data model? Choose an answer A Storing the data…

A: We are going to learn the about main function of data model.

Q: 5. A data warehouse can be modeled by either a star schema or a snowflake schema. Briefly describe…

A:

Q: please Transform this conceptual ERD into logical ERD by removing non-relational features e.g.: *:*…

A:

Q: 35. In data abstraction which is lowest level of abstraction ? a. View Level b. Physical Level c.…

A: Here is the solution which is mentioned below:

Q: In a three-schema design, the exterior, internal, and conceptual levels are all strictly segregated,…

A: The external level or programming level, the internal level or database administration level, and…

Q: A college wants you to help design a star schema to record grades for courses completed by students.…

A: Here we make simple star schema : Answer 1:…

Q: Which of the following is example of Object based logical model ? a. Entity Relationship Model b.…

A: Task :- Choose the correct option for given question.

Q: 124. The process of converting the requests into results between three-schema architecture internal,…

A: Mapping :- process of converting the requests into results between three-schema architecture…

Q: A client wishes to retrieve some domain object, say dom, from the database. Describe a possible…

A: In idea generation, characterize a dilemma: A messaging highlights the difference between a method…

Q: Which formal method that locates and analyses relation schemas on the basis of their primary,…

A: Normalization that locates and analyses relation schemas on the basis of their primary, candidate…

Q: By giving an example, define "External Schema" and "User View"

A: By giving an example,  "External Schema" and "User View"

Q: Q1/l complete the following with suitable wards: 1-. . produced by the developers,and it will aid…

A: ANSWER: (1) Software development produced by the developers, and it will aid the developers in the…

Q: 51. Physical Data Independence is ability to modify _____________ without causing application…

A: Please find the answer to the above question below:

Q: If here are no strict separation between internal and conceptual levels, the language used by…

A: if here are no strict separation between internal and conceptual levels, the language used by…