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If you have a many-to-many relationship between two entities you create an intermediate entity between.Now, the relationship between the first entity and intersection entity is one-to-many, and the relationship between the second entity and intersection entity is one-to-many also.
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What term refers to a collection of related information about a specific entity in a database?
A record refers to a collection of related information about a specific entity in a database. Each record typically contains fields that represent different attributes or properties of the entity being stored.
Are the data elements that describe an entity.?
Yes, data elements are the smallest units of data that describe an entity in a database. They represent specific attributes or properties of the entity and are used to store and manipulate information about that entity.
What is one piece of information keyed into your database called?
A data point in a database is referred to as a field. It represents a single piece of data about a specific entity or object within a database.
What is drop command?
The DROP table command of SQL lets you drop a table from database . The database requires you to empty a table before you eliminate from the database. But there is a condition for dropping a table ; it must be an empty table.
What is specialization in dbms?
Specialization in database management refers to the process of creating subtypes from a supertype entity in an entity-relationship (ER) model. It allows for the customization and organization of data based on unique characteristics within a specific subset of the main entity. This helps in categorizing and structuring data more efficiently.
Why do we need weak entity sets?
why do we need weak entity in database when we can make it strong entity?
What is week entity sets?
In a relational database, a weak entity is an entity that cannot be uniquely identified by its attributes alone; therefore, it must use a foreign key in conjunction with its attributes to create a primary key.Wikipedia
What is difference between object and entity?
A database object is represented as one of the following: database, schema, table, column, primary key, and foreign key A database Entity is: An entity is a thing or object of importance about which data must be captured. All things aren't entities - only those about which information should be captured. Information about an entity is captured in the form of attributes and/or relationships. If something is a candidate for being an entity and it has no attributes or relationships, it isn't an entity. Database entities appear in a data model as a box with a title. The title is the name of the entity.
Entity-relationship model of hospital mis?
entity relation model for hospital database
A schematic of the entire database that describes the relationships in a database is called?
entity-relationship diagram.
What are the basic components of database?
Entity Attribution Relationship
What is all of the fields for a single database entity?
Record
What is entities database?
Entity means a specific thing in both database work and data modeling. An entity is data that can be classified, and has a relationship with other classified data, as in entities.
What is entity occurrence in database?
Entity occurrence in a database refers to a specific instance or realization of an entity type within a database schema. For example, if "Customer" is an entity type, a particular customer, such as "John Doe," represents an entity occurrence. Each occurrence holds unique attributes that distinguish it from other occurrences of the same entity type, typically stored as a row in a table. This concept is essential for organizing and managing data in relational databases.
What is the intersection of a triangle called?
In usual mathematical study, a ray is the most commonly used entity to intersect a triangle.Howver, any geometric object can intersect a triangle, therefore the nature will differ depending on what you use to perform the intersection.
How can I efficiently connect a C application to a database using C/DB?
To efficiently connect a C application to a database using C/DB, you can use ADO.NET or Entity Framework. ADO.NET provides a low-level approach for database connectivity, while Entity Framework offers a higher-level abstraction for working with databases in C. You can use connection strings to establish a connection to the database and execute SQL queries or stored procedures to interact with the data.
What is all of the fields for a single database entity called?
Record
