Rampant TechPress Oracle Data Warehouse Management PHẦN 9 pptx

... W AREHOUSING AND O RACLE 8 I P AGE 103 Restricting Access by Rows in an Oracle8 i Data Warehouse New to Oracle8 i is the concept of row level access restriction. For years DBAs have requested ... user or group membership. Oracle has finally given DBAs the functionality of conditional grants in the form of row level security. In a data warehouse there may be data tha...

Ngày tải lên: 08/08/2014, 22:20

... 2 Data Systems Architectures 2 Data Warehouse Concepts 7 Objectives: 7 Data Warehouse Terminology 8 Data Warehouse Storage Structures 10 Data Warehouse Aggregate Operations 11 Data Warehouse ... Structures For Data Warehousing 11 Oracle and Data Warehousing 15 Hour 2: 15 Oracle7 Features 15 Objectives: 15 Oracle7 Data Warehouse related Features 15 Oracle8...

Ngày tải lên: 08/08/2014, 22:20

... FROM acct_pay_jan 99 UNION_ALL SELECT * FROM acct_pay_feb 99 UNION_ALL SELECT * FROM acct_pay_mar 99 UNION_ALL SELECT * FROM acct_pay_apr 99 UNION_ALL SELECT * FROM acct_pay_may 99 UNION_ALL ... FROM acct_pay_jun 99 UNION_ALL SELECT * FROM acct_pay_jul 99 UNION_ALL SELECT * FROM acct_pay_aug 99 UNION_ALL SELECT * FROM acct_pay_sep 99 UNION_ALL SELECT * FROM acct_pay_...

Ngày tải lên: 08/08/2014, 22:20

... acct_pay_feb 99 VALUES LESS THAN (TO_DATE('01-mar- 199 9','DD-mon-YYYY')) TABLESPACE acct_pay1, PARTITION acct_pay_mar 99 VALUES LESS THAN (TO_DATE('01-apr- 199 9','DD-mon-YYYY')) ... acct_pay_apr 99 VALUES LESS THAN (TO_DATE('01-may- 199 9','DD-mon-YYYY')) TABLESPACE acct_pay1, PARTITION acct_pay_may 99 VALUES LESS...

Ngày tải lên: 08/08/2014, 22:20

... 33 STORE IN (data_ tbs1, data_ tbs2, data_ tbs3, data_ tbs4) (PARTITION q1_ 199 9 VALUES LESS THAN (TO_DATE('01-apr- 199 9', 'dd-mon-yyyy')), PARTITION q2_ 199 9 VALUES LESS ... (TO_DATE('01-jul- 199 9', 'dd-mon-yyyy')), PARTITION q3_ 199 9 VALUES LESS THAN (TO_DATE('01-oct- 199 9', 'dd-mon-yyyy')) (SUBPARTITION...

Ngày tải lên: 08/08/2014, 22:20

... in the user statistics table IMPORT_DATABASE_STATS The purpose of the import_database_stats procedure is to retrieve statistics for all objects in the database from the user statistics table(s) ... ORA-20000: Object does not exist or insufficient privileges EXPORT_DATABASE_STATS Retrieves statistics for all objects in the database and stores them in the user statistics tables identifie...

Ngày tải lên: 08/08/2014, 22:20

... AND O RACLE 8 I P AGE 62 Stabilizing Execution Plans in a Data Warehouse in Oracle8 i In versions of Oracle prior to Oracle8 i the only way to stablize an execution plan was to ensure ... later versions of Oracle7 and in Oracle8 and Oracle8 i, snapshots can be made updatable. As was stated above, the new materialized view is actually a special form of “same database” sn...

Ngày tải lên: 08/08/2014, 22:20

... the specified dimension is not available. DIMENSION Objects in Oracle8 i DIMENSION objects are used in data warehouse, DSS and Datamart type applications to provide information on how tables ... PROCEDURE$ SYSTEM 2 24576 SYS SEQ$ SYSTEM 2 24576 SYS SOURCE$ SYSTEM 18 295 03488 SYS SYN$ SYSTEM 3 45056 SYS VIEW$ SYSTEM 10 1 191 936 20 rows selected. Execution Plan 0 SELECT STA...

Ngày tải lên: 08/08/2014, 22:20

... O RACLE 8 I P AGE 84 Managing CPU Utilization for Data Warehouses in Oracle8 i In data warehouses diverse groups of users may look at the data warehouse to find information important to their ... earlier releases of Oracle you could use profiles to restrict specific types of resources but this was unwieldy and produced unpredictable results. New in Oracle8 i is the con...

Ngày tải lên: 08/08/2014, 22:20

... Production on Sun Aug 29 20:10:28 199 9 (c) Copyright 199 9 Oracle Corporation. All rights reserved. Usage: SQLLOAD keyword=value [,keyword=value, ] Valid Keywords: userid ORACLE username/password ... P AGE 116 E:\ exp help=y Export : Release 8.1.5.0 – Production on Sun Aug 29 20:58:21 199 9 (c) Copyright 199 9 Oracle Corporation. All rights reserved. You can let E...

Ngày tải lên: 08/08/2014, 22:20