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What else can I help you with?
What is the most common type of relationship between tables in a relational database?
one-to-many relationship
How are relationship between tables expressed in a relational database?
Tables are the basic building blocks of a relational database.
What is a many to many relationship in dbms?
Many to many relationship in DBMS is usually a mirror of the real-life relationship between objects that tables represent.
Distinguish between a relation and a relationship in database?
Relation is one record in the database or a tuple. Relationship is that how tables are connected to each other.
What do you mean by Infer implicit relationships across data?
I think this type of inference is by looking at the data, i.e., there is no real relationship between the tables (through Primary and Foreign keys), but when you analyze the data in a table you are able to infer that there is a relationship.
What is the most common type of relationship between tables in a relational database?
one-to-many relationship
If a relationship is established between two tables they will share a common?
yes they need to have a commmon field
In relational database when two tables have common field the link between tables is know as a hyperlink?
Actually, in a relational database, when two tables have a common field, the relationship between the tables is known as a foreign key constraint. This constraint ensures that values in the common field of one table correspond to values in another table, helping maintain data integrity and enabling queries across related tables.
How are relationship between tables expressed in a relational database?
Tables are the basic building blocks of a relational database.
In order for two tables to have a relationship they must contain a common?
In order for two tables to have a relationship, they must contain a common field or key, known as a foreign key in one table that relates to a primary key in the other table. This relationship allows data to be linked and retrieved together from both tables.
Data from two or more tables can be connected by specifying a?
relationship or join condition between a common column in each table. This connection allows us to retrieve related data from multiple tables in a database query. Join conditions typically involve matching values between the related columns in the tables being joined.
The purpose of the primary key in building the relationship between tables?
primary keys are unique
What happen when you delete foreign key?
You will lose the connection between the tables and break the relationship.
How many relations may exist between two tables in a MS Access database?
only one relationship can exists between two tables in the MS ACCESS software
What is the database that contains tables linked by common fields?
A relational database is a database that contains tables linked by common fields. These common fields are used to establish connections between the tables and to retrieve related data across multiple tables using queries.
What is a many to many relationship in dbms?
Many to many relationship in DBMS is usually a mirror of the real-life relationship between objects that tables represent.
Distinguish between a relation and a relationship in database?
Relation is one record in the database or a tuple. Relationship is that how tables are connected to each other.
