课程第11/12次（2018-07-09星期一，2018-07-13星期五）

botang

制造SAA新模板：

1. variable     l_task_id number;
   
2. variable     l_name varchar2(30);
   
3. 
   
4. 
   
5. Rem make a new template to have a minimum of 100 rows only for partitioning
   
6. 
   
7. begin
   
8. :l_name := 'SQLACCESS_PARTITION_SMALL';
   
9. end;
   
10. /
    
11. 
    
12. begin
    
13. dbms_advisor.update_task_attributes(:l_name,null,null,'FALSE');
    
14. dbms_advisor.delete_task(:l_name);
    
15. end;
    
16. /
    
17. 
    
18. begin
    
19. dbms_advisor.create_task(dbms_advisor.sqlaccess_advisor,:l_task_id,:l_name,'For demo purposes only');
    
20. dbms_advisor.set_task_parameter(:l_name,'_PA_MIN_TABLE_SIZE_PART',100);
    
21. dbms_advisor.set_task_parameter(:l_name,'EXECUTION_TYPE','FULL');
    
22. dbms_advisor.set_task_parameter(:l_name,'ANALYSIS_SCOPE','ALL');
    
23. dbms_advisor.set_task_parameter(:l_name,'MODE','COMPREHENSIVE');
    
24. 
    
25. dbms_advisor.update_task_attributes(:l_name,null,null,'TRUE','TRUE');
    
26. end;
    
27. /
    

复制代码

	Tasks and Templates
	View Select Name Description Last Modified Type SQLACCESS_EMTASK Default Enterprise Manager task template Jul 10, 2018 6:06:22 AM CST Default Template SQLACCESS_GENERAL General purpose database template Jul 10, 2018 6:06:21 AM CST Template SQLACCESS_OLTP OLTP database template Jul 10, 2018 6:06:21 AM CST Template SQLACCESS_PARTITION_SMALL For demo purposes only Jul 10, 2018 6:28:29 AM CST Template SQLACCESS_WAREHOUSE Data Warehouse database template Jul 10, 2018 6:06:22 AM CST Template

以下是SAA的典型的建议（数据仓库模板）：
Rem  SQL Access Advisor: Version 11.2.0.1.0 - Production
Rem  
Rem  Username:        SYS
Rem  Task:            SQLACCESS1553744
Rem  Execution date:   
Rem  

Rem  
Rem  Repartitioning table "SH"."CUSTOMERS"
Rem  

SET SERVEROUTPUT ON
SET ECHO ON

Rem
Rem Creating new partitioned table
Rem
  CREATE TABLE "SH"."CUSTOMERS1"
   (    "CUST_ID" NUMBER,
    "CUST_FIRST_NAME" VARCHAR2(20),
    "CUST_LAST_NAME" VARCHAR2(40),
    "CUST_GENDER" CHAR(1),
    "CUST_YEAR_OF_BIRTH" NUMBER(4,0),
    "CUST_MARITAL_STATUS" VARCHAR2(20),
    "CUST_STREET_ADDRESS" VARCHAR2(40),
    "CUST_POSTAL_CODE" VARCHAR2(10),
    "CUST_CITY" VARCHAR2(30),
    "CUST_CITY_ID" NUMBER,
    "CUST_STATE_PROVINCE" VARCHAR2(40),
    "CUST_STATE_PROVINCE_ID" NUMBER,
    "COUNTRY_ID" NUMBER,
    "CUST_MAIN_PHONE_NUMBER" VARCHAR2(25),
    "CUST_INCOME_LEVEL" VARCHAR2(30),
    "CUST_CREDIT_LIMIT" NUMBER,
    "CUST_EMAIL" VARCHAR2(30),
    "CUST_TOTAL" VARCHAR2(14),
    "CUST_TOTAL_ID" NUMBER,
    "CUST_SRC_ID" NUMBER,
    "CUST_EFF_FROM" DATE,
    "CUST_EFF_TO" DATE,
    "CUST_VALID" VARCHAR2(1)
   ) SEGMENT CREATION IMMEDIATE
  PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS NOLOGGING
  TABLESPACE "EXAMPLE"
PARTITION BY RANGE ("CUST_ID") INTERVAL( 3000) ( PARTITION VALUES LESS THAN (3000)
       );

Rem
Rem Copying comments to new partitioned table
Rem
COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_ID" IS 'primary key';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_FIRST_NAME" IS 'first name of the customer';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_LAST_NAME" IS 'last name of the customer';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_GENDER" IS 'gender; low cardinality attribute';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_YEAR_OF_BIRTH" IS 'customer year of birth';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_MARITAL_STATUS" IS 'customer marital status; low cardinality attribute';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_STREET_ADDRESS" IS 'customer street address';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_POSTAL_CODE" IS 'po
stal code of the customer';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_CITY" IS 'city where the customer lives';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_STATE_PROVINCE" IS 'customer geography: state or province';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."COUNTRY_ID" IS 'foreign key to the countries table (snowflake)';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_MAIN_PHONE_NUMBER" IS 'customer main phone number';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_INCOME_LEVEL" IS 'customer income level';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_CREDIT_LIMIT" IS 'customer credit limit';

COMMENT ON COLUMN "SH"."CUSTOMERS1"."CUST_EMAIL" IS 'customer email id';

COMMENT ON TABLE "SH"."CUSTOMERS1"  IS 'dimension table';

Rem
Rem Copying constraints to new partitioned table
Rem
  ALTER TABLE "SH"."CUSTOMERS1" ADD CONSTRAINT "CUSTOMERS_PK1" PRIMARY KEY ("CUST_ID")
  USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING COMPUTE STATISTICS
  TABLESPACE "EXAMPLE"  ENABLE NOVALIDATE;

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_ID" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_FIRST_NAME" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_LAST_NAME" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_GENDER" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_YEAR_OF_BIRTH" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_STREET_ADDRESS" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_POSTAL_CODE" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_CITY" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_CITY_ID" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_STATE_PROVINCE" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_STATE_PROVINCE_ID" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("COUNTRY_ID" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_MAIN_PHONE_NUMBER" NO
T NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_TOTAL" NOT NULL ENABLE);

  ALTER TABLE "SH"."CUSTOMERS1" MODIFY ("CUST_TOTAL_ID" NOT NULL ENABLE);

Rem
Rem Copying referential constraints to new partitioned table
Rem
  ALTER TABLE "SH"."CUSTOMERS1" ADD CONSTRAINT "CUSTOMERS_COUNTRY_FK1" FOREIGN KEY ("COUNTRY_ID")
      REFERENCES "SH"."COUNTRIES" ("COUNTRY_ID") ENABLE NOVALIDATE;

Rem
Rem Copying indexes to new partitioned table
Rem
  CREATE UNIQUE INDEX "SH"."CUSTOMERS_PK1" ON "SH"."CUSTOMERS1" ("CUST_ID")
  PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING COMPUTE STATISTICS
  TABLESPACE "EXAMPLE" ;

  CREATE BITMAP INDEX "SH"."CUSTOMERS_GENDER_BIX1" ON "SH"."CUSTOMERS1" ("CUST_GENDER")
  PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING COMPUTE STATISTICS
  TABLESPACE "EXAMPLE" LOCAL;

  CREATE BITMAP INDEX "SH"."CUSTOMERS_MARITAL_BIX1" ON "SH"."CUSTOMERS1" ("CUST_MARITAL_STATUS")
  PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING COMPUTE STATISTICS
  TABLESPACE "EXAMPLE" LOCAL;

  CREATE BITMAP INDEX "SH"."CUSTOMERS_YOB_BIX1" ON "SH"."CUSTOMERS1" ("CUST_YEAR_OF_BIRTH")
  PCTFREE 10 INITRANS 2 MAXTRANS 255 NOLOGGING COMPUTE STATISTICS
  TABLESPACE "EXAMPLE" LOCAL;

Rem
Rem Copying object grants to new partitioned table
Rem
GRANT SELECT ON "SH"."CUSTOMERS1" TO "BI";

Rem
Rem Populating new partitioned table with data from original table
Rem
INSERT /*+ APPEND */ INTO "SH"."CUSTOMERS1"
    SELECT * FROM "SH"."CUSTOMERS";
COMMIT;

begin
  dbms_stats.gather_table_stats('"SH"', '"CUSTOMERS1"', NULL, dbms_stats.auto_sample_size);
end;
/

Rem
Rem Renaming tables to give new partitioned table the original table name
Rem
ALTER TABLE "SH"."CUSTOMERS" RENAME TO "CUSTOMERS11";
ALTER TABLE "SH"."CUSTOMERS1" RENAME TO "CUSTOMERS";

Rem
Rem Revalidating dimensions for use with new partitioned table
Rem
ALTER DIMENSION "SH"."CUSTOMERS_DIM" COMPILE;


CREATE MATERIALIZED VIEW LOG ON
    "SH"."PRODUCTS"
    WITH ROWID, SEQUENCE("PROD_ID","SUPPLIER_ID","PROD
_LIST_PRICE")
    INCLUDING NEW VALUES;

CREATE MATERIALIZED VIEW LOG ON
    "SH"."CUSTOMERS"
    WITH ROWID, SEQUENCE("CUST_ID","CUST_GENDER","CUST_YEAR_OF_BIRTH","CUST_CREDIT_LIMIT")
    INCLUDING NEW VALUES;

CREATE MATERIALIZED VIEW LOG ON
    "SH"."SALES"
    WITH ROWID, SEQUENCE("PROD_ID","CUST_ID","TIME_ID")
    INCLUDING NEW VALUES;

CREATE MATERIALIZED VIEW "SYS"."MV$$_009C0000"
    REFRESH FAST WITH ROWID
    ENABLE QUERY REWRITE
    AS SELECT SH.CUSTOMERS.CUST_CREDIT_LIMIT C1, SH.CUSTOMERS.CUST_YEAR_OF_BIRTH C2,
       SH.CUSTOMERS.CUST_GENDER C3, COUNT(*) M1 FROM SH.CUSTOMERS, SH.SALES WHERE
       SH.SALES.CUST_ID = SH.CUSTOMERS.CUST_ID AND (SH.CUSTOMERS.CUST_CREDIT_LIMIT
       <= 14962) GROUP BY SH.CUSTOMERS.CUST_CREDIT_LIMIT, SH.CUSTOMERS.CUST_YEAR_OF_BIRTH,
       SH.CUSTOMERS.CUST_GENDER;

begin
  dbms_stats.gather_table_stats('"SYS"','"MV$$_009C0000"',NULL,dbms_stats.auto_sample_size);
end;
/

CREATE MATERIALIZED VIEW "SYS"."MV$$_009C0001"
PARTITION BY RANGE ("C3") INTERVAL( NUMTOYMINTERVAL( 1, 'MONTH')) ( PARTITION
       VALUES LESS THAN (TO_DATE(' 1998-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS'
       , 'NLS_CALENDAR=GREGORIAN')) )
    REFRESH FAST WITH ROWID
    ENABLE QUERY REWRITE
    AS SELECT SH.PRODUCTS.PROD_LIST_PRICE C1, SH.PRODUCTS.SUPPLIER_ID C2, SH.SALES.TIME_ID
       C3, COUNT(*) M1 FROM SH.PRODUCTS, SH.SALES WHERE SH.SALES.PROD_ID = SH.PRODUCTS.PROD_ID
       GROUP BY SH.PRODUCTS.PROD_LIST_PRICE, SH.PRODUCTS.SUPPLIER_ID, SH.SALES.TIME_ID;

begin
  dbms_stats.gather_table_stats('"SYS"','"MV$$_009C0001"',NULL,dbms_stats.auto_sample_size);
end;
/

CREATE MATERIALIZED VIEW "SYS"."MV$$_009C0002"
PARTITION BY RANGE ("C1") INTERVAL( 40) ( PARTITION VALUES LESS THAN (40) )
    REFRESH FAST WITH ROWID
    ENABLE QUERY REWRITE
    AS SELECT SH.PRODUCTS.PROD_LIST_PRICE C1, SH.PRODUCTS.SUPPLIER_ID C2, SH.SALES.CUST_ID
       C3, COUNT(*) M1 FROM SH.PRODUCTS, SH.SALES WHERE SH.SALES.PROD_ID = SH.PRODUCTS.PROD_ID
       GROUP BY SH.PRODUCTS.PROD
_LIST_PRICE, SH.PRODUCTS.SUPPLIER_ID, SH.SALES.CUST_ID;

begin
  dbms_stats.gather_table_stats('"SYS"','"MV$$_009C0002"',NULL,dbms_stats.auto_sample_size);
end;
/

CREATE MATERIALIZED VIEW "SYS"."MV$$_009C0003"
    REFRESH FAST WITH ROWID
    ENABLE QUERY REWRITE
    AS SELECT SH.PRODUCTS.PROD_LIST_PRICE C1, SH.PRODUCTS.SUPPLIER_ID C2, COUNT(*) M1
       FROM SH.PRODUCTS, SH.SALES WHERE SH.SALES.PROD_ID = SH.PRODUCTS.PROD_ID
       GROUP BY SH.PRODUCTS.PROD_LIST_PRICE, SH.PRODUCTS.SUPPLIER_ID;

begin
  dbms_stats.gather_table_stats('"SYS"','"MV$$_009C0003"',NULL,dbms_stats.auto_sample_size);
end;
/

CREATE INDEX "SYS"."MV$$_009C0002_IDX$$_009C0000"
    ON "SYS"."MV$$_009C0001"
    ("C3")
    COMPUTE STATISTICS;

CREATE INDEX "SH"."PRODUCTS_IDX$$_009C0001"
    ON "SH"."PRODUCTS"
    ("PROD_LIST_PRICE","SUPPLIER_ID","PROD_NAME")
    COMPUTE STATISTICS;

CREATE INDEX "SYS"."MV$$_009C0004_IDX$$_009C0002"
    ON "SYS"."MV$$_009C0002"
    ("C1")
    COMPUTE STATISTICS
    LOCAL;

DROP MATERIALIZED VIEW "SH"."CAL_MONTH_SALES_MV";

DROP MATERIALIZED VIEW "SH"."FWEEK_PSCAT_SALES_MV";

DROP INDEX "SH"."SALES_PROD_BIX";

DROP INDEX "SH"."SALES_CUST_BIX";

DROP INDEX "SH"."SALES_TIME_BIX";

DROP INDEX "SH"."SALES_CHANNEL_BIX";

DROP INDEX "SH"."SALES_PROMO_BIX";

DROP INDEX "SH"."PRODUCTS_PROD_SUBCAT_IX";

DROP INDEX "SH"."PRODUCTS_PROD_CAT_IX";

DROP INDEX "SH"."PRODUCTS_PROD_STATUS_BIX";

DROP INDEX "SH"."CUSTOMERS_GENDER_BIX";

DROP INDEX "SH"."CUSTOMERS_MARITAL_BIX";

DROP INDEX "SH"."CUSTOMERS_YOB_BIX";

DROP INDEX "SH"."FW_PSC_S_MV_SUBCAT_BIX";

DROP INDEX "SH"."FW_PSC_S_MV_CHAN_BIX";

DROP INDEX "SH"."FW_PSC_S_MV_PROMO_BIX";

DROP INDEX "SH"."FW_PSC_S_MV_WD_BIX";

相同的SQL Tunning Set用OLTP模板建议就会完全不一样。