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How entities can be related to each other using primary and foreign keys?
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∙ 9y ago
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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.
Which country is called foreign country?
A foreign country is any other country than your own.
Which option identifies the primary interface which would be used for initial configuration of a Cisco router?
The primary interface which would be used for initial configuration of a Cisco router exam is 200-120 In this exam you can get all router related details and also about the primary interface usage probelms and there solutions. To get this exam dump visit the link below... dumpspdf.com/200-120.html
What is the Peer-layer?
The entities comprising the layers on different machines are called peers.The peer may be processes,hardware devices or even human beings. In other words, it is the peers that communicate by using the protocol.
What computer graphics software is available for use in primary schools?
Examples of computer graphics software that is available for use in primary school are Corel Draw and Easy Art. Other software that is available for younger children are Tux Paint and Luxology Cartoon Kid Training for Windows.
How functional dependency is related to database table design?
The functional dependency is related to the database table design through the foreign and primary keys. The foreign and primary keys are functionally dependent on each other.
What is difference between primary key and foreign key?
A primary key is an attribute (or combination of attributes) that uniquely identifies each row in a relation. A primary key is designated by underlining the attribute name. The primary key of an entity set allows us to distinguish among the various entities of the set. A foreign key is an attribute in a relation of database that serves as the primary key of another relation in the same database.
Is it necessarily that a foreign key is primary key in other table?
It is not mandatory that is must be a primary key but it must be a unique key in the other table.
Is Hitachi related to Sony?
Other than both Hitachi and Sony being Japanese companies, no. They are separate entities.
Is rent expense an other expense?
If rent is paid for any activity which is directly related with the primary business activity then rent is not other expense, but if rent is paid for activity which is not directly related to primary business activity then it is other expense.
Should foreign aid be given directly to governments or should it be directed to other entities within the country?
The record of foreign aid over the past 60 years or so is that it is usually misappropriated and misspent by corrupt governments, and it winds up doing little if any good for the country to which it is given, so yes, it would seem that governments are not the best recipients of such aid, and perhaps there are other entities which could make better use of the money.
What was the primary focus of the us foreign policy in the decade after world war 1?
To reduce U.S commitments to other nations
What is the meaningful relationship between entities?
It is when 2 entities bang each other really hard
Define a family as a primary group?
A family as a primary group is like a set of people who are related to each other living together as one.
Could a table only have one primary key and only one foreign key?
Yes it could. It would have a primary key for its own use and it could then have a foreign linking it to another table. If it is only linked to one other table, then it would only need one foreign key. It is also possible to have the same foreign key linking to more than one table.
What is due to related entities on a financial statement?
Due to Related Entities usually represents liabilities to a sister company (common ownership) or a subsidiary, but the relationship can also be via a director or other influential person or a close family member. Thus a company owned by the CEO's spouse would be related, as would another company that shared a director, even though there is no common ownership.
Is WikiAnswers a primary source?
No, WikiAnswers is not a Primary Source. However, the Related Links section of each question may be used to find other sources, even a Primary Source.
