Question
Which out of the following is a non-reducing
sugar?Solution
Sucrose is a non-reducing sugar because its anomeric carbons are involved in a glycosidic bond and cannot open to form a free aldehyde or ketone group. Fructose, glucose, and mannose are reducing sugars.Â
Which of the following statements about SQL `INDEXES` is generally TRUE?
What is the main function of a PL/SQL `TRIGGER`?
Which SQL keyword is used to remove duplicate records from a query result?
In normalization, which normal form removes transitive dependencies?
Which of the following is a key characteristic that distinguishes a PL/SQL `FUNCTION` from a PL/SQL `PROCEDURE`?
Which index type is most beneficial for queries that use range predicates (e.g., WHERE age BETWEEN 20 AND 30)?
Which SQL constraint ensures that a column’s values are unique across the table?
Which SQL clause is used for filtering rows?
What is the correct sequence of operations for using an explicit PL/SQL cursor?
Which of the following SQL constructs avoids returning duplicate rows?
