oracle 批量修改表名 字段为大写

修改那个表空间必须用那个表空间的用户登录

-- oracle 批量修改表名为大写(当前登录用户)
begin
for c in (select table_name tn from user_tables where table_name <> upper(table_name)) loop
begin
execute immediate 'alter table "'||c.tn||'" rename to '||c.tn;
exception
when others then
dbms_output.put_line(c.tn||'已存在');
end;
end loop;
end;

-- oracle 批量修改列名为大写(当前登录用户) 
begin
for cl in (SELECT table_name,column_name from user_tab_columns WHERE column_name<>upper(column_name) and upper(column_name) not in('SIZE','CHECK')) loop
begin
execute immediate 'alter table '||cl.table_name||' rename column "'|| cl.column_name ||'" to '||upper(cl.column_name);
exception
when others then
dbms_output.put_line(cl.table_name||'.'||cl.column_name||'已存在');
end;
end loop;
end;