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Define Assertions in SQL
a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy.
b. Domain constraints, functional dependency and referential integrity are unique forms of assertion.
c. In which a constraint cannot be expressed in these forms, we use an assertion, for example
Ask question #MinimRead Dennis et al. Chapter 6: Minicase 2. Work through it and answer the questions. See the attached example. SequenceDiagram.png Based on the structural mod
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About Attribute inheritance
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Give an example of Object Representation For illustration, consider the implementation of a social security number within an employee object that is shown in Figure. The soci
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Use a Set operator to create a list of academics who have written or co-written less than 5 papers and also have greater than 3 interests. List their academic number in the output.
Describe the tools that are available for managing MySQL Server. Given below are the tools to manage MySQL server: mysqld - MySQL server daemon. This is used to begain t
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#explain five disadvantages of a dbms..
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