八个学习点帮助你全面认识Oracle数据库

create public synonym xxx for myuser.t_user
create synonym t_user for myuser.t_user
                              select * from dba_synonyms where table_name='T_USER'

create database link dblinkzgl 
connect to myuser identified by a using 'mydb'
                              Select * From t_user@dblinkzgl

create or replace procedure pro_test_cursor is
userRow t_user%rowtype;
cursor userRows is
select * from t_user;
begin
for userRow in userRows loop
dbms_output.put_line
(userRow.Id||','||userRow.Name||','||userRows%rowcount);
end loop;
                              end pro_test_cursor;

create or replace procedure 
pro_test_cursor_oneRow(vid in number) is
userRow t_user%rowtype;
cursor userCur is
select * from t_user where id=vid;
begin
open userCur;
fetch userCur into userRow;
if userCur%FOUND then
dbms_output.put_line
(userRow.id||','||userRow.Name);
end if;
close userCur;
                              end pro_test_cursor_oneRow;

create or replace 
procedure pro_test_record(vid in varchar2) is
type userRow is record(
id t_user.id%type,
name t_user.name%type
);
realRow userRow;
begin
select id,name into 
realRow from t_user where id=vid;
dbms_output.put_line
(realRow.id||','||realRow.name);
                              end pro_test_record;

create or replace procedure 
pro_test_rowType(vid in varchar2) is
userRow t_user%Rowtype;
begin
select * into userRow from t_user where id=vid;
dbms_output.put_line
(userRow.id||','||userRow.name);
                              end pro_test_rowType;