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create table drop_idx_tab( StudentID integer, StudentNames varchar(255), Age integer); insert into drop_idx_tab(StudentID, StudentNames, Age) values(1, "Alex", 18), (2, "Akash", 27), (3, "Ramisha", 21); create index idx_unique on drop_idx_tab (StudentID); alter table drop_idx_tab drop index idx_unique;

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