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CREATE TABLE IF NOT EXISTS Student ( StudentID INT PRIMARY KEY, Name VARCHAR(50), Age INT, Grade CHAR(2), Marks INT ); CREATE INDEX idx_grade ON Student(Grade); CREATE INDEX idx_grade ON Student(Grade); SHOW INDEX FROM Student; CREATE VIEW top_students AS SELECT StudentID, Name, Marks FROM Student WHERE Marks > 80; DESCRIBE top_students; DROP INDEX idx_grade ON Student; CREATE INDEX idx_grade ON Student(Grade);

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