Database relationships mcq
WebMar 30, 2024 · DBMS mcq Questions and Answer. Q.31 The following diagram represents the dependent entity from an Entity Relationship diagram: Select the characteristics which are represented by the above diagram. (a) Birth Date is a derived attribute (b) Gender is an atomic attribute (C) Address is a multivalued attribute (d) Name is a key attribute. ANSWER WebQuestion: 1. The most commonly used operation in relational algebra for projecting a set of tuple from a relation is (A) Union (B) Select (C) Projection
Database relationships mcq
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WebDec 23, 2024 · DBMS Data Models MCQs: This section contains DBMS Data Models Multiple-Choice Questions (MCQs) and Answers. Submitted by Anushree Goswami, on December 23, 2024. 1. ____ Data refers to describing the data description, representing data semantics, and describing the consistency constraints that apply to the data. Adding. WebJul 11, 2024 · A relational database implements three different types of relationships: 1. One-to-one (1:1) 2. One-to-many (1:N) 3. Many-to-many (N:N) A line connecting two tables represents a relationship, while the symbols on the line's end represent the exact relationship type. For example, in ER diagrams, "one" and "many" relationship …
WebOct 24, 2011 · This should be the accepted answer, as it is the only one that explains the difference between lookup relationships and parent-child relationships. Parent - The entity on the "one" (/1) side of a relation with another table. Child - The entity on the "many" (/N/*) side of a relation with another table. Parent <-- Child. WebThis set of Advanced Database Management System Multiple Choice Questions and Answers (MCQs) focuses on “ Data Models:Entity Relationship Model ”. 1. . An Entity is …
WebView Answer. Too Difficult! 8. Which of the following in true regarding Referential Integrity? a. Every primary-key value must match a primary-key value in an associated table. … WebDatabase Management System MCQ (Multiple Choice Questions) 1. The Relational Model. The section contains multiple choice questions and answers on dealing with the concept of Relational Model. These include ... 2. SQL : Queries, Constraints and Triggers. 3. … Computer Science MCQ with detailed explanations for students & freshers … SQL Queries - DBMS MCQ (Multiple Choice Questions) - Sanfoundry Basic SQL Operations - DBMS MCQ (Multiple Choice Questions) - Sanfoundry Null Values Operations - DBMS MCQ (Multiple Choice Questions) - Sanfoundry Related Topics Database Management System MCQ Questions Oracle … Ordered Indices - DBMS MCQ (Multiple Choice Questions) - Sanfoundry Aggregate Functions and Nested Subqueries 1 - DBMS MCQ (Multiple … Failure Classification - DBMS MCQ (Multiple Choice Questions) - Sanfoundry The structure allows representing information using parent/child … 5. Multiple Choice Questions on Binary Trees. The section contains questions …
Web52. When mapping a supertype/subtype relationship which of the following is true? a. The supertype primary key is assigned to each subtype. b. The subtype primary key is …
WebColumns of the table hold attributes of data. Following are the different types of relational database tables. One to One Relationship (1:1): It is used to create a relationship between two tables in which a single row of the first table can only be related to one and only one records of a second table. Similarly, the row of a second table can ... cisco anyconnect nam admin guideWebJan 20, 2024 · Concept. A database schema represents the logical configuration of all or part of a relational database.It can exist both as a visual representation and as a set of … cisco anyconnect newer version is installedWebApr 14, 2024 · multiple choice questions in dbms er model quiz questions with answers top interview questions on dbms basics and er model Entity relationship model mcq with answers for gate exam One stop guide to computer science students for solved questions, Notes, tutorials, solved exercises, online quizzes, MCQs and more on DBMS, Advanced … diamond press pop up fireworks cardWebDBMS MCQ. This section of interview questions and answers focuses on "Database Management System". One shall practice these interview questions to improve their … diamond press pop up cardWebApr 22, 2024 · Introduction. Graph databases are NoSQL systems created for exploring correlation within complexly interconnected entities. The structure addresses the limitations found in relational databases by putting a greater accent on the data relationship.. The graph database approach allows for more leisurely interconnection exploration, … diamond press pop up gingerbread houseWebHere you’ll discover a listing of the Database Management System MCQ questions, which exams your Database Management System knowledge. This DBMS MCQ includes 50+ … diamond press she shed stamp and die setWebWhat is RDBMS? RDBMS stands for Relational Database Management System. RDBMS is a program used to maintain a relational database. RDBMS is the basis for all modern database systems such as MySQL, Microsoft SQL Server, Oracle, and Microsoft Access. RDBMS uses SQL queries to access the data in the database. cisco anyconnect nhs