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What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
Explain the term- signal-to-noise ratio A signal-to-noise ratio of 20 dB means that S/N = 100. As log2101 is around 6.658, the Shannon limit is around 19.975 kbps. The Nyquist
What are the two types of serializability? The two types of serializability is a) Conflict serializability b) View serializability
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
what is inverted and multilist structure
external and internal mapping with examples
Can we delete data element, which is being used by table fields. No we cant delete data element.
#question.explain diversity and magnitude of organic compounds and general properties?
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
State about the Tables- DBMS Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record
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