Explain the meaning of the sql keyword exists

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Reference no: EM131218915

a. Write a correlated subquery to determine whether the data support the supposition in Review Question 8.4.

b. Explain the meaning of the SQL keyword EXISTS.

c. Answer Review Question 8.10, but use the SQL EXISTS keyword.

d. Explain how the words any and all pertain to the SQL keywords EXISTS and NOT EXISTS.

e. Explain the processing of the query on page 319.

Reference no: EM131218915

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