the data warehousing ebusiness dba handbook

... Portals 201 No eDBA Is an Island 203 viii The Data Warehousing eBusiness DBA Handbook About the Authors Bill Inmon is universally recognized as the "father of the data warehouse." ... market share  increase revenues  increase profits 2 The Data Warehousing eBusiness DBA Handbook The Data Warehouse eBusiness DBA Handbook...

Ngày tải lên: 06/07/2014, 15:31

... strength. The first real value to the collection of data - a data warehouse - is the versatility of the data. The data can be organized a certain way on one day and another way the next. Marketing ... the minute the corporation takes a long-term look, the future becomes an entirely different picture. Fig 7 shows the long-term focus. 16 The Data Warehous...

Ngày tải lên: 06/07/2014, 15:34

... Edition or Oracle Database Personal Edition. What is a Data Warehouse? 1-2 Oracle Database Data Warehousing Guide What is a Data Warehouse? A data warehouse is a relational database that is designed ... directly update the data warehouse. In OLTP systems, end users routinely issue individual data modification statements to the database. The OLTP database is always up to dat...

Ngày tải lên: 22/10/2013, 15:15

Ngày tải lên: 10/12/2013, 19:15

... to fill a DataSet, the column names used in the DataSet default to the column names defined in the data source. A DataAdapter has a collection of DataTableMapping objects in its DataTableMappingCollection ... DataSet changes back to the data source. In the solution, the Categories table retrieved by the query is mapped to a table in the DataSet called tblmapCategori...

Ngày tải lên: 14/12/2013, 18:16

... more cost effective systems Eliminate the need for special purpose engines “Bring the algorithms to the data, not the data to the algorithms” Simplify the end-user experience Simplify, costly ... commercial database runs Oracle  The world’s largest commercial DW runs Oracle  The world’s largest commercial UNIX DW runs Oracle  The world’s largest commercial Linux...

Ngày tải lên: 20/12/2013, 17:15

... Structure N-dimensional Data structure N-dimensional Data structure Data Content Data Content Detailed and Summarized Data Detailed and Summarized Data Summarized Data Summarized Data Data Sources Data Sources Relational ... to contain the data. Typically, the fact table grain is the lowest level of detail stored in each of the dimensions associated with the...

Ngày tải lên: 21/12/2013, 19:15

... design is the creation of the database with SQL statements. During the physical design process, you convert the data gathered during the logical design phase into a description of the physical database ... 15-17 Data Warehousing Concepts 1-1 1 Data Warehousing Concepts This chapter provides an overview of the Oracle data warehousing implementation. It includes: ■...

Ngày tải lên: 22/12/2013, 10:16

... Choosing the data connection 7. Click the Next button to continue. 8. You now log in to the database by specifying the password for the database user. You used the sa user when creating the database ... that the top part of the form shows the details for the row from the Customers table where the CustomerID is ALFKI; the bottom part of the form contains a...

Ngày tải lên: 24/12/2013, 01:17

... column in a DataSet object, the value for that column is displayed in the control through the Text property in the DataBindings group. The Text property in the DataBindings group sets the text ... set the data binding for a control, you select the control in the form designer and expand the DataBindings properties in the Properties window. You'll see these p...

Ngày tải lên: 24/12/2013, 01:17