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What would get copied from one table to another to create a relationship between tables?
You would have a field of data in one table which has corresponding data in another. In at least one of the tables, depending on the type of relationship, a field would be the primary key. In the other table it would either also be the primary key or be a foreign key, meaning it is the primary key of a different table. The relationships are made by connecting the corresponding fields. They are not always copied as such. Although fields may be corresponding, it is possible to have data in one that is not in the other, though that data may be added later if needed. All relationships can be built before any data is entered into any of the tables. It is part of the design process of the database. All relationships should be defined before data goes in and even before the tables are actually created.
What is the difference between black hills gold and other gold?
Gold from the Black Hills gold fields is no different from gold found anywhere else.
How many 100 yard football fields are there in a mile?
1 mile = 17.6 American football fields.
Pythagoras fields of study?
Mathematics,
Applications of vector calculus in engineering?
Electromagnetic fields, gravitational fields and fluid flow. If you are an engineer you will come across vector calculus to handle three dimensional space.
In access to create a relationship between two tables the two connected fields must have the same what?
Primary key
What is the relationship between electric and magnetic fields?
Electric and magnetic fields are interconnected and can influence each other. When an electric field changes, it can create a magnetic field, and vice versa. This relationship is described by Maxwell's equations in electromagnetism.
How are changing electric and magnetic fields related?
Changing electric fields create magnetic fields, and changing magnetic fields create electric fields. This relationship is described by Maxwell's equations. The two fields are interdependent and can propagate through space as electromagnetic waves.
Phase relationship between oscillating electric and magnetic fields?
nothing
Electromagnetism is a relationship between what?
Electromagnetism is a fundamental force of nature that describes the relationship between electric fields and magnetic fields. It explains how charged particles interact with each other and with electromagnetic fields, and plays a crucial role in many phenomena, including light, electricity, and magnetism.
What are the forces between a charge and a bar magnet?
The forces between a charge and a bar magnet are due to the interaction of electric and magnetic fields. Charges create electric fields, while magnets create magnetic fields. When a charge interacts with a bar magnet, the electric and magnetic fields can exert forces on each other, leading to attraction or repulsion between the charge and the magnet.
What relationship exist between the locusts attacks a rice field?
There is a significant relationship between the locusts attacks and a rice field. These locusts destroy the many rice fields.
Are the killing fields connected to Canada?
No.
What is the realesinship between electricity and magnitsm?
Electricity and magnetism are interconnected phenomena that are described by Maxwell's equations. Moving electric charges create magnetic fields, while changing magnetic fields induce electric currents. This relationship is fundamental in the study of electromagnetism and is responsible for phenomena such as electromagnetism and electromagnetic waves.
What kinds of fields enemate from a transmitting antena and what relationship do they have?
A transmitting antenna generates electromagnetic fields, including electric and magnetic fields, that propagate outward from the antenna. These fields interact with the surrounding environment and propagate through space to carry the transmitted signals. This relationship between the antenna and the fields it generates allows for the transmission of information wirelessly over a distance.
What is the relationship between thermal energy and electric fields?
Thermal energy and electric fields are related through the concept of thermoelectricity. When there is a temperature difference in a material, it can create an electric field, which can then generate an electric current. This phenomenon is known as the Seebeck effect. In essence, thermal energy can be converted into electrical energy through the interaction of temperature gradients and electric fields.
What is the relationship between the strength of magnetic fields and the distance between 2 magnets?
The strength of magnetic fields decreases as the distance between two magnets increases. This relationship follows an inverse square law, meaning that the magnetic field strength decreases exponentially with distance. Therefore, the closer the two magnets are, the stronger the magnetic field between them will be.
