数据仓--维的建立

SQL> select table_name from dict where table_name like '%DBA%DIM%';

TABLE_NAME
------------------------------
DBA_DIMENSIONS
DBA_DIM_LEVELS
DBA_DIM_LEVEL_KEY
DBA_DIM_ATTRIBUTES
DBA_DIM_HIERARCHIES
DBA_DIM_CHILD_OF
DBA_DIM_JOIN_KEY

select * from USER_DIMENSIONS;
select dbms_metadata.get_ddl('DIMENSION','TIMES_DIM','SH') FROM DUAL;

CREATE DIMENSION "SH"."TIMES_DIM" 
LEVEL "DAY" IS ("TIMES"."TIME_ID") 
LEVEL "MONTH" IS ("TIMES"."CALENDAR_MONTH_DESC") 
LEVEL "QUARTER" IS ("TIMES"."CALENDAR_QUARTER_DESC") 
LEVEL "YEAR" IS ("TIMES"."CALENDAR_YEAR") 
LEVEL "FIS_WEEK" IS ("TIMES"."WEEK_ENDING_DAY") 
LEVEL "FIS_MONTH" IS ("TIMES"."FISCAL_MONTH_DESC") 
LEVEL "FIS_QUARTER" IS ("TIMES"."FISCAL_QUARTER_DESC") 
LEVEL "FIS_YEAR" IS ("TIMES"."FISCAL_YEAR") 
HIERARCHY "CAL_ROLLUP" ("DAY" CHILD OF "MONTH" CHILD OF "QUARTER" CHILD OF "YEAR") 
HIERARCHY "FIS_ROLLUP" ("DAY" CHILD OF "FIS_WEEK" CHILD OF "FIS_MONTH" 
CHILD OF "FIS_QUARTER" CHILD OF "FIS_YEAR") 
ATTRIBUTE "DAY" DETERMINES "TIMES"."DAY_NUMBER_IN_WEEK" 
ATTRIBUTE "DAY" DETERMINES "TIMES"."CALENDAR_WEEK_NUMBER" 
ATTRIBUTE "DAY" DETERMINES "TIMES"."DAY_NUMBER_IN_MONTH" 
ATTRIBUTE "DAY" DETERMINES "TIMES"."DAY_NAME" 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_DESC" 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."END_OF_CAL_MONTH" 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."DAYS_IN_CAL_MONTH" 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_NAME" 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_NUMBER" 
ATTRIBUTE "QUARTER" DETERMINES "TIMES"."CALENDAR_QUARTER_DESC" 
ATTRIBUTE "QUARTER" DETERMINES "TIMES"."END_OF_CAL_QUARTER" 
ATTRIBUTE "QUARTER" DETERMINES "TIMES"."DAYS_IN_CAL_QUARTER" 
ATTRIBUTE "QUARTER" DETERMINES "TIMES"."CALENDAR_QUARTER_NUMBER" 
ATTRIBUTE "YEAR" DETERMINES "TIMES"."CALENDAR_YEAR"
ATTRIBUTE "YEAR" DETERMINES "TIMES"."END_OF_CAL_YEAR" 
ATTRIBUTE "YEAR" DETERMINES "TIMES"."DAYS_IN_CAL_YEAR" 
ATTRIBUTE "FIS_WEEK" DETERMINES "TIMES"."WEEK_ENDING_DAY" 
ATTRIBUTE "FIS_WEEK" DETERMINES "TIMES"."FISCAL_WEEK_NUMBER" 
ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MONTH_DESC" 
ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."END_OF_FIS_MONTH" 
ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."DAYS_IN_FIS_MONTH" 
ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MONTH_NAME" 
ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MONTH_NUMBER" 
ATTRIBUTE "FIS_QUARTER" DETERMINES "TIMES"."FISCAL_QUARTER_DESC" 
ATTRIBUTE "FIS_QUARTER" DETERMINES "TIMES"."END_OF_FIS_QUARTER" 
ATTRIBUTE "FIS_QUARTER" DETERMINES "TIMES"."DAYS_IN_FIS_QUARTER" 
ATTRIBUTE "FIS_QUARTER" DETERMINES "TIMES"."FISCAL_QUARTER_NUMBER" 
ATTRIBUTE "FIS_YEAR" DETERMINES "TIMES"."FISCAL_YEAR" 
ATTRIBUTE "FIS_YEAR" DETERMINES "TIMES"."END_OF_FIS_YEAR" 
ATTRIBUTE "FIS_YEAR" DETERMINES "TIMES"."DAYS_IN_FIS_YEAR";

验证维
col ENTITY_OWNER for a5
col DESCRIPTOR_ID for 999
col ENTITY_NAME for a10
col CHILD_ENTITY_NAME for a23
col SECONDARY_CHILD_ENTITY_NAME for a30
select * from dba_olap_entity_desc_uses where entity_name = 'TIMES_DIM';

col DESCRIPTOR_ID for 999          
col DESCRIPTOR_VALUE for a23
col DESCRIPTOR_TYPE  for a40       
select DESCRIPTOR_ID,DESCRIPTOR_VALUE,DESCRIPTOR_TYPE from dba_olap_descriptors;

--------------------建立自己的维-----------------
CREATE DIMENSION "SH"."TIMES_DIM2"
LEVEL "MONTH" IS ("TIMES"."CALENDAR_MONTH_DESC") 
LEVEL "YEAR" IS ("TIMES"."CALENDAR_YEAR") 
HIERARCHY "CAL_ROLLUP2" ("MONTH" CHILD OF "YEAR") 
ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_DESC" 
ATTRIBUTE "YEAR" DETERMINES "TIMES"."CALENDAR_YEAR";

@%oracle_home%\rdbms\admin\utldim.sql
-----------------------------------------------其他的维-----------------------
set long 10000
select dbms_metadata.get_ddl('DIMENSION','CUSTOMERS_DIM','SH') FROM DUAL;

CREATE DIMENSION "SH"."CUSTOMERS_DIM" 
LEVEL "CUSTOMER" IS ("CUSTOMERS"."CUST_ID") 
LEVEL "CITY" IS ("CUSTOMERS"."CUST_CITY_ID") 
LEVEL "STATE" IS ("CUSTOMERS"."CUST_STATE_PROVINCE_ID") 
LEVEL "COUNTRY" IS ("COUNTRIES"."COUNTRY_ID") 
LEVEL "SUBREGION" IS ("COUNTRIES"."COUNTRY_SUBREGION_ID") 
LEVEL "REGION" IS ("COUNTRIES"."COUNTRY_REGION_ID") 
LEVEL "GEOG_TOTAL" IS ("COUNTRIES"."COUNTRY_TOTAL_ID") 
LEVEL "CUST_TOTAL" IS ("CUSTOMERS"."CUST_TOTAL_ID") 
HIERARCHY "CUST_ROLLUP" ("CUSTOMER" CHILD OF "CITY" CHILD OF "STATE" CHILD OF "CUST_TOTAL") 
HIERARCHY "GEOG_ROLLUP" ("CUSTOMER" CHILD OF "CITY" CHILD OF "STATE" CHILD OF "COUNTRY" CHILD OF "SUBREGION" CHILD OF "REGION" CHILD OF "GEOG_TOTAL" JOIN KEY ("CUSTOMERS"."COUNTRY_ID") REFERENCES "COUNTRY") 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_FIRST_NAME" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_EMAIL" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_MAIN_PHONE_NUMBER" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_POSTAL_CODE" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_STREET_ADDRESS" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_CREDIT_LIMIT" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_INCOME_LEVEL" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_YEAR_OF_BIRTH" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_MARITAL_STATUS" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_GENDER" 
ATTRIBUTE "CUSTOMER" LEVEL "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_LAST_NAME" 
ATTRIBUTE "CITY" LEVEL "CITY" DETERMINES "CUSTOMERS"."CUST_CITY" 
ATTRIBUTE "STATE" LEVEL "STATE" DETERMINES "CUSTOMERS"."CUST_STATE_PROVINCE" 
ATTRIBUTE "COUNTRY" LEVEL "COUNTRY" DETERMINES "COUNTRIES"."COUNTRY_NAME" 
ATTRIBUTE "COUNTRY" LEVEL "COUNTRY" DETERMINES "COUNTRIES"."COUNTRY_ISO_CODE" 
ATTRIBUTE "SUBREGION" LEVEL "SUBREGION" DETERMINES "COUNTRIES"."COUNTRY_SUBREGION" 
ATTRIBUTE "REGION" LEVEL "REGION" DETERMINES "COUNTRIES"."COUNTRY_REGION" 
ATTRIBUTE "GEOG_TOTAL" LEVEL "GEOG_TOTAL" DETERMINES "COUNTRIES"."COUNTRY_TOTAL" 
ATTRIBUTE "CUST_TOTAL" LEVEL "CUST_TOTAL" DETERMINES "CUSTOMERS"."CUST_TOTAL"   ;