Problem Please specify for each of the follow ing SQL query, what indexes you want to create to speed up the SQL query . These queries use the database created on page 2-3. You can assume the tables have many rows You can assume that the index will be B+-tree index - You need to specify the table and column you want to index. You don't need to write create index statem ents. Please also briefly explain why you select this index. Your grade depends on both the index and explanation. . select ptitle from author a, paper p where p corr aid = a aid and an ame Adam Smith'; Query select count(*) from where rscore > 3.5 and rdate > date '2018-3-1'; select rscore select rid.count(*) from paper review pr group by rid; select * from paper where ptitle like %dementia%