Hi. minor doc issue. create table s1(a int, constraint s2 PRIMARY key (a)); create table s2(a int); ERROR: relation "s2" already exists
https://www.postgresql.org/docs/current/sql-createtable.html#SQL-CREATETABLE-PARMS-UNIQUE maybe for the following 2 sentence "Adding a unique constraint will automatically create a unique btree index on the column or group of columns used in the constraint." "Adding a PRIMARY KEY constraint will automatically create a unique btree index on the column or group of columns used in the constraint." maybe we can mention that: the unique btree index name will be the constraint name. also is "a unique" or "an unique"? I personally thought this part is obscure.
