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How do you convert an ER diagram into a Relational Schema?
secret...know it yourself
What is a relational diagram give an example?
Something that will have a link/relationship to something else. For example: The relationship between the speed of a car, and the angle of a hill is: The steeper the hill, the faster the car will go.
How are relationship between tables expressed in a relational database?
Tables are the basic building blocks of a relational database.
How are tables linked in a relational database?
They just are
How do you build a relational database in excel?
You dont
How do you convert an ER diagram into a Relational Schema?
secret...know it yourself
Which one of the following diagrams is the most helpful in designing a relational database in which to store object data?
The Entity-Relationship diagram is the most helpful in designing a relational database to store object data. It visually represents entities, their attributes, and the relationships between them, providing a clear understanding of the database structure and enabling effective planning of tables and relationships.
The lines of constant pressure shown on the surface pressure diagram are called?
Line of constant pressure shown on the surface pressure diagram are called isobars. Isobars show areas of high pressure and areas of low pressure. The surface pressure diagram can be used to predict weather patterns.
Attributes in relational database?
In a relational database, attributes are the characteristics or properties that describe entities in a table. Attributes are represented by columns in a table and hold specific pieces of data related to the entities. Each attribute has a data type that defines the kind of data it can store (e.g., integer, string, date).
Which part of a relational database contains the logical structure for the information?
The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.The tables do. There must be at least two of them for a relational database.
How do you document a database?
Two standard ways to document a database are to create a relational diagram and a data dictionary.A relational diagram will display all the tables in a database with links to joining tables utilizing the primary and foreign keys. For a more detailed description visit- http://www.utexas.edu/its/windows/database/datamodeling/dm/erintro.htmlA data dictionary is a reference guide of all the tables and fields in a database and the use of each object.
What is the utility of relational algebra relational calculas name some software's based on these concept?
What is the utility of relational algebra relational calculas name some software's based on these concept?"
When the portion of a pressure enthalpy diagram is beneath the saturation curve then?
The refrigerant is at constant pressure
When was Relational Investors created?
Relational Investors was created in 1996.
What are the Properties of relational database model?
The relational database model organizes data into relations or tables with rows and columns, providing a clear structure for data storage. It supports the concept of primary keys to uniquely identify each record in a table and foreign keys to establish relationships between tables. Additionally, it ensures data integrity through constraints like referential integrity and data normalization.
The meaning of Oracle is?
Oracle is relational DataBase
What is a relational diagram give an example?
Something that will have a link/relationship to something else. For example: The relationship between the speed of a car, and the angle of a hill is: The steeper the hill, the faster the car will go.
