500萬數據，查詢分頁，500毫秒搞定

一、建表

-- Create table
create table DIM_LICENSE_PLATE_REAL
(
  LP_CAMERA_ID        VARCHAR2(15) not null,
  DATE_KEY            NUMBER(8) not null,
  TIME_KEY            NUMBER(9) not null,
  LICENSE_PLATE       VARCHAR2(20) not null,
  VEHICLE_TYPE        CHAR(1) not null,
  LICENSE_PLATE_COLOR VARCHAR2(2) not null,
  DIRECTION           CHAR(2) not null,
  LANE                VARCHAR2(2),
  VEHICLE_SPEED       NUMBER(4) not null,
  VEHICLE_LENGTH      NUMBER(4),
  ALARM_TYPE          VARCHAR2(4),
  TSTRANS             CHAR(1),
  LICENSE_REGION      CHAR(4) not null,
  LICENSE_PLATE_LINK1 VARCHAR2(150) not null,
  LICENSE_PLATE_LINK2 VARCHAR2(150),
  LICENSE_PLATE_LINK3 VARCHAR2(150),
  DEVICE_TYPE         CHAR(2) not null
)
tablespace USERS
  pctfree 10
  initrans 1
  maxtrans 255
  storage
  (
    initial 64K
    next 1M
    minextents 1
    maxextents unlimited
  );
-- Create/Recreate primary, unique and foreign key constraints 
alter table DIM_LICENSE_PLATE_REAL
  add constraint DIM_LICENSE_PLATE_REAL_PK primary key (LP_CAMERA_ID, DATE_KEY, TIME_KEY, LICENSE_PLATE)
  using index 
  tablespace USERS
  pctfree 10
  initrans 2
  maxtrans 255
  storage
  (
    initial 64K
    next 1M
    minextents 1
    maxextents unlimited
  );

二、插入數據

select count(*) from Dim_License_plate_real;

1 5390000條數據

三、分頁查詢

select *

  from (select rownum test,
               LP_camera_id,
               date_key,
               time_key,
               license_plate,
               vehicle_type,
               license_plate_color,
               direction,
               vehicle_speed,
               vehicle_length,
               alarm_type,
               license_plate_link1,
               license_plate_link3,
               device_type
          from Dim_License_plate_real
         where date_key between 20131101 and 20131206
           and time_key between 0 and 235959999
           and vehicle_type = '1'
           and rownum <= 10000
         order by date_key, time_key)
 where test >= 9800