--分页查询1
SELECT TAB2.*
  FROM (SELECT tab1.*, ROWNUM row_num
          FROM (
                  --把需要分页的sql直接放进来就行了
                  SELECT t.* FROM T_T_DEPT t
               
                ) TAB1
          WHERE ROWNUM<21
        ) TAB2
WHERE TAB2.row_num >10

--分页查询2
SELECT TAB2.*
  FROM (SELECT tab1.*, ROWNUM row_num
          FROM (
                  --把需要分页的sql直接放进来就行了
                  SELECT t.* FROM T_T_DEPT t
               
                ) TAB1
        ) TAB2
WHERE TAB2.row_num BETWEEN 11 AND 20