Solved GATE DA 2024 Question Paper | DETAILED VIDEO SOLUTIONS | DA & AI | Q. 55 SQL QUERY, DBMS

Описание: Q.55 An OTT company is maintaining a large disk-based relational database of different movies with the following schema: Movie(ID, CustomerRating) Genre(ID, Name) Movie_Genre(MovieID, GenreID) Consider the following SQL query on the relation database above: SELECT * FROM Movie, Genre, Movie_Genre WHERE Movie.CustomerRating 3.4 AND Genre.Name = “Comedy” AND Movie_Genre.MovieID = Movie.ID AND Movie_Genre.GenreID = Genre.ID; This SQL query can be sped up using which of the following indexing options?
A B + tree on all the attributes.
B Hash index on Genre.Name and B + tree on the remaining attributes.
C Hash index on Movie.CustomerRating and B + tree on the remaining attributes.
D Hash index on all the attributes.

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