a constraint, Postgres itself generates a unique index (automatically):
                  
                  
                  CREATE TABLE public.maiquel_midia
                  
                  
                  (
                  
                  
                      seqmidia serial4 NOT NULL,
                  
                  
                      midia varchar(255) NOT NULL,
                  
                  
                      regra bool NOT NULL,
                  
                  
                      margem numeric(12, 3) NULL,
                  
                  
                      competitividade numeric(12, 3) NULL,
                  
                  
                      oculto bool NOT NULL,
                  
                  
                      CONSTRAINT maiquel_midia_pkey PRIMARY KEY (seqmidia)
                  
                  
                  );
                  
                  
                  
                  
                  
                  
                  
                  
                  The automatic generated index is (pg_catalog.pg_indexes):
                  
                  
                   CREATE UNIQUE INDEX maiquel_midia_pkey ON public.maiquel_midia USING btree (seqmidia)
                  
                  
                  
                  
                  
                  Is it redundant for me to create another index?
                  
                  
                  CREATE INDEX maiquel_midia_seqmidia_idx ON public.maiqwuel_midia USING btree (seqmidia);
                  
                  
                
Yes, you should not create additional index
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