一、需求：
将oracle数据库的scott用户源表items 直抽至 EDW层 EDW_items。数据存储到oracle的edw01用户下
数据抽取至EDW层做聚合转换
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求各供应商 min(price),avg(price),max(price),sum(price), 2*avg(price)
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根据供应商id去供应商表查找供应商名称
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查验数据结果后，再修改Informatica,按照平均价格和求和价格降序
数据说明：
-- SCOTT.ITEMS definition
CREATE TABLE "SCOTT"."ITEMS"
( "ITEM_ID" NUMBER(*,0) NOT NULL ENABLE,
"ITEM_NAME" VARCHAR2(72) NOT NULL ENABLE,
"ITEM_DESC" VARCHAR2(72),
"PRICE" NUMBER(10,2) NOT NULL ENABLE,
"WHOLESALE_COST" NUMBER(10,2) NOT NULL ENABLE,
"DISCONTINUED_FLAG" NUMBER(*,0),
"MANUFACTUSER_ID" NUMBER(*,0),
"DISTRIBUTOR_ID" NUMBER(*,0)
) SEGMENT CREATION IMMEDIATE
PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT)
TABLESPACE "USERS" ;
COMMENT ON COLUMN SCOTT.ITEMS.ITEM_ID IS '商品编号';
COMMENT ON COLUMN SCOTT.ITEMS.ITEM_NAME IS '商品名称';
COMMENT ON COLUMN SCOTT.ITEMS.ITEM_DESC IS '商品描述';
COMMENT ON COLUMN SCOTT.ITEMS.PRICE IS '售价';
COMMENT ON COLUMN SCOTT.ITEMS.WHOLESALE_COST IS '批发价';
COMMENT ON COLUMN SCOTT.ITEMS.DISCONTINUED_FLAG IS '是否断货';
COMMENT ON COLUMN SCOTT.ITEMS.MANUFACTUSER_ID IS '供应商id';
COMMENT ON COLUMN SCOTT.ITEMS.DISTRIBUTOR_ID IS '经销商id';
SELECT ITEM_ID, ITEM_NAME, ITEM_DESC, PRICE, WHOLESALE_COST, DISCONTINUED_FLAG, MANUFACTUSER_ID, DISTRIBUTOR_ID
FROM SCOTT.ITEMS;
INSERT INTO SCOTT.ITEMS
(ITEM_ID, ITEM_NAME, ITEM_DESC, PRICE, WHOLESALE_COST, DISCONTINUED_FLAG, MANUFACTUSER_ID, DISTRIBUTOR_ID)
VALUES(1313, 'Regulator System', 'Air Regulator ', 250.00, 150.00, 0, 100, 2012);
--先连接R端创建文件夹BI_ETL02
--切换到D端打开BI_ETL02
--创建连接源：点击源图标，点击源--->从数据库导入-->【点击ODBC数据源（D）后边的‘···’--->用户DSN--->添加--->选择：DataDirect 6.1 Oracle Wire Protocol--->自定义Data Source Name:odbc01_oracle--->Host:127.0.0.1--->Port Number:1521--->SID:orcl--->确定 --->选择 odbc01_oracle --->确定。
