Rampant TechPress Oracle Data Warehouse Management PHẦN 3 ppsx

... use in data warehouses 6. Discuss advanced resource management through plans and groups. 7. Discuss the use of row level security and data warehousing Oracle8 i SQL Enhancements for Data Warehouses ... on Oracle8 i features are to: 1. Discuss SQL options applicable to data warehousing 2. Discuss new partitioning options in Oracle8 i 3. Show how new user-defined statistics...

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 ... P AGE V Data Warehousing 201 27 Hour 1: 27 Oracle8 i Features 27 Objectives: 27 Oracle8 i SQL Enhancements for Data Warehouses 27 Oracle8 i Data Warehouse Table...

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

... 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” snapshot. ... 20 03 R AMPANT T ECH P RESS . A LL R IGHTS R ESERVED . ROBO B OOKS M ONOGRAPH D ATA W AREHOUSING AND O RACLE 8 I P AGE 62 Stabilizing Execution Plans in a Data Warehouse in...

Ngày tải lên: 08/08/2014, 22:20

... of data warehouse storage structures 3. Provide the student with an understanding of data warehouse data aggregation concepts Data Warehouse Terminology We have already discussed several data ... P AGE 15 Oracle and Data Warehousing Hour 2: Oracle7 Features Objectives: The objectives for this section on Oracle7 features are to: 1. Identify to the student the...

Ngày tải lên: 08/08/2014, 22:20

... index-table setup. Oracle8 i and Tuning of Data Warehouses using Small Test Databases In previous releases of Oracle in order to properly tune a database or data warehouse you had to have data that ... © 20 03 R AMPANT T ECH P RESS . A LL R IGHTS R ESERVED . ROBO B OOKS M ONOGRAPH D ATA W AREHOUSING AND O RACLE 8 I P AGE 33 STORE IN (data_ tbs1, data_ tbs2,...

Ngày tải lên: 08/08/2014, 22:20

... NUMBER (38 ) OBJECT_TYPE VARCHAR2 (30 ) OPTIMIZER VARCHAR2(255) SEARCH_COLUMNS NUMBER ID NUMBER (38 ) PARENT_ID NUMBER (38 ) POSITION NUMBER (38 ) COST NUMBER (38 ) CARDINALITY NUMBER (38 ) ... SYSTEM 3 45056 SYS IDL_CHAR$ SYSTEM 7 36 8640 SYS IDL_SB4$ SYSTEM 9 802816 SYS IDL_UB1$ SYSTEM 14 586 137 6 SYS IDL_UB2$ SYSTEM 13 3915776 SYS OBJ$ SYSTEM 7 35 2256 SYS OBJ...

Ngày tải lên: 08/08/2014, 22:20

... © 20 03 R AMPANT T ECH P RESS . A LL R IGHTS R ESERVED . ROBO B OOKS M ONOGRAPH D ATA W AREHOUSING AND O RACLE 8 I P AGE 84 Managing CPU Utilization for Data Warehouses in Oracle8 i ... 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 gr...

Ngày tải lên: 08/08/2014, 22:20

... © 20 03 R AMPANT T ECH P RESS . A LL R IGHTS R ESERVED . ROBO B OOKS M ONOGRAPH D ATA W AREHOUSING AND O RACLE 8 I P AGE 1 03 Restricting Access by Rows in an Oracle8 i Data Warehouse ... 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 that...

Ngày tải lên: 08/08/2014, 22:20

... PL/SQL for data loading 3. Discuss aggregation during loading of data warehouses Loading Techniques In Oracle7 , Oracle8 and Oracle8 i the standard way to load a data warehouse involves multiple ... direct load option which prebuilds data blocks and inserts them into the database. If data resides in non -Oracle data sources, there are gateways which Oracle provides...

Ngày tải lên: 08/08/2014, 22:20