Surrogate keys
Why surrogate keys are used?
Expert
a) Data tables in the various source systems can use several keys for same entity.
b) Keys may change or be reused within the source data systems.
c) Alterations within the organizational structures can move keys in hierarchy.
Barter Transactions: Barter is the one-on-one exchange of a service or product with other country, vendor or person. This is differentiated as a one-on-one trading system. In organized trading or barter companies, one trade their serv
Give a brief explanation of the term Ecology.
Most of the insects have wings. Name the other animal phylum which comprises creatures with analogous organs?
Regarding their size and basic morphology how and why do male and female gametes differentiate from each other?
Where the thyroid gland is located within the body?
Is rabies caused by the virus or by the bacteria? How is it transmitted? Which organs and tissues are influenced by disease? How is it avoided and treated?
Briefly explain regarding size of a molecule, that makes a substance antigenic.
Explain why allantois is considered as an adaptation to the terrestrial life?
Describe briefly the law of use and disuse and by law of transmission of obtained characteristics?
Give a brief description of photoperiod?
18,76,764
1957870 Asked
3,689
Active Tutors
1447510
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!