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Data Warehouse Architecture and Models

Data Warehouse Architecture and Models

... 40,000 Mar 97 17,000 Types of Warehouse Data  Fact data - Measures  Dimension data - Query drivers  Summary data - Pre-calculated data Lesson 4 Data Warehouse Architecture and Models Summary  Enterprise ... localized data marts  Recognize the difference between independent and dependent data marts  Identify the data that is stored in a data warehouse  Explain the features of each type of data by ... Summary  Enterprise data warehouses  Data marts  Independent  Dependant  Warehouse data  Data models  Models compared Objectives  Differentiate between an enterprise-wide data warehouse and localized...

Ngày tải lên: 25/04/2013, 20:33

26 419 0
Collecting Data — The Class and the Array

Collecting Data — The Class and the Array

... Chapter 6 Collecting Data — The Class and the Array In This Chapter ᮣ Introducing the C# class ᮣ Storing data in an object ᮣ Assigning and using object references ᮣ Creating and building arrays ... references ᮣ Creating and building arrays of objects Y ou can freely declare and use all the intrinsic data types — such as int , double , and bool — to store the information necessary to make your program ... related data in a neat package. Some programs need to bundle pieces of data that logically belong together but aren’t of the same type. For example, a college enrollment application handles students,...

Ngày tải lên: 04/10/2013, 21:20

28 337 0
Data Models, Datasets, and the ADO.NET Interface

Data Models, Datasets, and the ADO.NET Interface

... reader and populate into dataset cmdReport.CommandType = CommandType.Text; cmdReport.Connection = conReport; cmdReport.CommandText = "Select * FROM CreditLimit"; //read data from command ... connecting to the data source and reading the data. Here is the code: conReport.Open(); cmdReport.CommandType = CommandType.Text; cmdReport.Connection = conReport; cmdReport.CommandText = "Select ... communicate with a data source ã Command: Needed to perform actions such as selecting, updating, and deleting data from a data source ã DataReader: Needed to read data from a data source, one record...

Ngày tải lên: 05/10/2013, 08:48

24 354 1
3 Using Data Guard Broker and Enterprise Manager

3 Using Data Guard Broker and Enterprise Manager

... Model Data Guard Broker Configuration Primary database Broker-controlled databases Standby database Standby database Standby database Standby database Standby database Standby database Standby database Standby ... standby databases to replace the primary database and take over production processing ã Helps you logically define and create a Data Guard configuration consisting of a primary database and ... database Standby database Standby database Standby database Instances Instances Copyright â 2006, Oracle. All rights reserved. 3 - 7 Primary site Standby site 9 Standby site 2 Data Guard Broker: Architecture Graphical...

Ngày tải lên: 26/10/2013, 20:15

24 326 0
Oracle Data Guard Concepts and Administration

Oracle Data Guard Concepts and Administration

... is applied to the standby database. A standby database can be one of two types: a physical standby database or a logical standby database. If needed, either type of standby database can assume ... Physical Standby and Cascaded Remote Physical Standby C-5 C.3.2 Local Physical Standby and Cascaded Remote Logical Standby C-5 C.3.3 Local and Remote Physical Standby and Cascaded Local Logical Standby ... Physical and Logical Standby Databases ■ New Features Specific to Physical Standby Databases ■ New Features Specific to Logical Standby Databases New Features Common to Physical and Logical Standby Databases The...

Ngày tải lên: 26/10/2013, 22:15

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Data Analysis, Statistics, and Probability

Data Analysis, Statistics, and Probability

... 7x = (7)(4) = 28 green candies and 8x = (8)(4) = 32 red candies.  Mean, Median, and Mode To find the average or mean of a set of numbers, add all of the numbers together and divide by the quantity ... special attention to headings and units of measure. Here is an overview of the types of graphs you will encounter: ■ Circle graphs or pie charts This type of graph is representative of a whole and is usually ... as less than and more than. The product of x and 6 is greater than 2. x ì 6 > 2 When 14 is added to a number x, the sum is less than 21. x + 14 < 21 The sum of a number x and four is at...

Ngày tải lên: 02/11/2013, 17:20

6 461 1
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