Give an example and an explanation of the phrase "foreign key"
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Give an example and an explanation of the phrase "foreign key"
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- For each table, identify each of the following when possible: a. The primary key b. A superkey c. A candidate key d. The foreign key(s) e. A secondary keyGive an example of a primary keywhich of the following can be determined from Turnitin's Index? a) How much plagiarism was committed b) whether or not sources are cited c) whether or not sources were cited appropriately d) none of the above
- Write a SQL statement to get the list of all the law firms from thedatabase in alphabetical order by firm name. Include all thecolumns from the LawFirm table.Write a SQL statement to get the list of all the law firms with aname that contains the letter Z. Include all fields from the LawFirmtable.Write a SQL statement to get the list of all the lawyers, showingonly the name and surname of the lawyer, and the name of theirfirm. What is the difference between the WHERE and HAVING clauses in SQLstatements? What is the purpose of an index in a SQL database?"Referential integrity constraint" is a term used to describe this. Using real-world examples, demonstrate the use of the concept.What part do access restrictions play in the overall scheme of things in the modern world? Please be sure to include at least two distinct instances of access restrictions in your answer.