A transaction is the complete set of closely related update commands that must a

Question

A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.

Options:

A . True

B . False

Answer: Option A

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Question 2. ROLLBACK WORK asks SQL to empty the log file.....

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Question 4. The most frequently used relational operation, which brings together data from two or more related tables into one resul....related tables into one resultant table, is called an equi-join.

Question 5. Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.....

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Question 7. A correlated subquery is where the outer query depends on data from the inner query.....

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Question 9. What type of join is needed when you wish to include rows that do not have matching values?....

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