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cube:Dimension is equivalent to coordinate system on axis, such as time, department;--dimension tableMetrics are data that can be reflected in a report, such as sales;--Fact sheetSo what do OLAP do with these dimensions and metrics? In fact, it's easy to use different dimensions for different business needs .For example, to show the company's sales in the first quarter of 2009, we need to analyze the measurement of sales from the time dimension;If you want to show sales for a department, analyz

A: DataSet1DataSet ds =NewDataSet ();//Create a DataSet2DataTable dt =NewDataTable ();//Create a Datatalbe3 4Dt. Columns.Add (NewDataColumn ("ID",typeof(int)));//Create a column in the Dt_dry table5Dt. Columns.Add (NewDataColumn ("SQBM",typeof(string)));6Dt. Columns.Add (NewDataColumn ("UNAME",typeof(string)));7 8 for(inti =0; I 0]. Rows.Count; i++)9 {TenDataRow dr =dt. NewRow (); One Adr["ID"] = i +1; -dr["SQBM"] = ODS. tables[0]. rows[i]["SQBM"].

Capture DataPump Replicat The installation of each component is flexible and different from other products; The configuration of each component is also flexible, as long as trail files, checkpoint information in, how to play on how to play! Topological structure Analytical type: One-way, query shunt Merge, real-time bi, three-to-one integration, integration, real-time Data Warehouse

: This article mainly introduces the PHPExcel developer documentation [Chinese version]. For more information about PHP tutorials, see. 1. Preface First of all, I hope you can give some comments and guidance when translating this document for the first time. PhpExcel official website pointed out: PHPExcel is based on OPENXML standards, using PHP to read and write and create Excel file workbooks engine. Excel 2007 (Office OpenXML).xlsx, CSV, Libre/OpenOffice Cacl.

I. What is PHPExcel? PHPExcel amp; nbsp; is a PHP class library used to operate OfficeExcel documents. it is based on Microsoft's OpenXML standard and PHP language. Example, CSV, libreopenofficec1c. ods, Gnumeric, P... 1. what is PHPExcel? PHPExcel is a PHP class library used to operate Office Excel documents. it is based on Microsoft's OpenXML standard and PHP language. You can use it to read and write workbooks in different formats, such as Excel (

database, you can take it for analysis, this is calledData mart. SAPOfBWWhat is the explanation:THe BW system can be a source to another BW system or to itself, the ODS/cube/infoprovider which provide data to another system are called data marts. This is more interesting, that is, myInfoproviderYou can give it to yourself or you.Datasource.SAPRight-click a model with an actual database table. This way,8The data source at the begi

Data Three CIF Case-sap BW The main feature is that ERP vendors provide the entire architecture, which saves a lot of design work, and reduces the cost of design and development, encapsulation of the business in BW, reducing the difficulty of long-term maintenance. ERP data resources are very rich and valuable, should be an important source of data warehousing, SAP is the BW is the Data warehouse into the ERP application. 1. SAP BW Overview A. History of SAP bw The following is a brief versi

of all layers to find the results of the average merge. can see that (1) For each individual layer, the final layer of the feature fusion results are the best. (2) to average the results of all layers, the final accuracy rate will be improved. During the training process, the edge detection is actually a 2 classification task for each pixel. Most of the pixels are not edges, only a few pixels are marginal, and in order to balance the positive and negative samples, the authors introduce class-b

Phpexcel_iofactory::load method to load a file, load will automatically judge the file suffix name to import the corresponding processing class, read the format of the Xlsx/xls/xlsm/ods/slk/csv/xml/gnumeric Require_once '.. /classes/phpexcel/iofactory.php '; $objPHPExcel = phpexcel_iofactory::load (//bar) the file default table (usually the first one) is returned by ToArray method to return a multidimensional array $dataArray = $objPHPExcel-> Getacti

HSM does not directly display a command to backup the dataset size when managing host backup data. This article uses a series of HSM commands combined with Dfsort to filter out the backup dataset name and ultimately output the size of the backup dataset to facilitate storage administrators to adjust host data management policies. Please note: The HSM experimental environment used in this article is relatively simple, and the HSM backs up fewer datasets (around 5,000 datasets). In a real-world e

Data flow:Data is transferred from upstream to ODS operational data storage System, and then the underlying business Development department extracts it to the underlying business development database via datestage based on the view layer of the ODS.From the project to the development on-line, through the development of new tables and constantly testing and then on-line process, the difficulty in the storage process and the business of the industry, be

. Because DataSet stores the original value and the value to be changed in each column in a row, it knows how to compare the value with the database to automatically find the concurrency issue. For example, assume that you change the value of the firstname field from Lloyd to Lamar and submit the changes to the database. The changes stored in DataSet are transmitted to the database through the Update method of DataAdapter. Before the data is actually saved, if the database name is no longer Lloy

GloobusPreview is a fast file preview software that supports pictures, documents (PDF, ODF, ODS, etc.), source files, audio (MP3, WAV, OGG, and above), videos (AVI, OGG, MKV, FLV, etc.), folder, archive file, Font, plain text file. Gloobus-preview: Recently, GloobusPreview has been fixed and can work on Ubuntu12.04. It also supports GTK3, password-protected files, and file rewriting plug-ins. Gloobus Preview is a fast file Preview software that suppor

1. Write in the previous words First of all, the first translation of the document, flawed, I hope you give some advice and guidance. Phpexcel said: Phpexcel is based on the OPENXML standard, using PHP to read and write and create Excel file spreadsheet engine. The project provides a series of classes for the PHP programming language that allow you to read and write spreadsheets in different file formats, such as Excel (BIFF). xls, Excel (Office OpenXML). xlsx, CSV, Libre/openoffice Ca

What is a. phpexcel? Phpexcel is a PHP class library for working with Office Excel documents, based on the Microsoft OPENXML Standard and PHP language. You can use it to read and write spreadsheets in different formats, such as Excel (BIFF). xls, Excel (Officeopenxml). xlsx, CSV, Libre/openoffice Calc. ODS, Gnumeric, PDF , HTML, and so on. Two. How is phpexcel used? For small white You can first learn Phpexcel video tutorial, understand what is phpexc

I think many people have talked about the ETL process. Recently, I have been comparing SSIs, owb, and infomatica. Combined with previous projects, I have deepened my understanding and understanding of the ETL process.In fact, these three tools have their own advantages and disadvantages, except for the application platform. Today, I would like to share my experience in terms of expansion and maintenance. 1: Data Implementation and ELTMany people talk about the concept of data implementation. To

of the configuration file in the FCKeditor/Editor folder.File Upload control:(1): file type control (divided into four types: file image Flash Media) [the two configurations must be synchronized]1) configure the custom FCKeditor configuration file (the client configuration media has no client configuration)Example: fckconfig. linkuploadallowedextensions = ".(7z | AIFF | ASF | Avi | BMP | CSV | Doc | FLA | FLV | GIF | GZ | gzip | JPEG | JPG | mid | mov | MP3 | MP4 | MCM | MPEG | MPG |

-pooling, determine whether the SQL server has a network connection bottleneck.Overview of Network Services　Communication between the SQL Server client and the server requires a variety of software and hardware layers. Let's take a brief look at these levels. Their functions will be described in more detail later in this chapter.The top layer is the SQL Server application development interface (API ). The API layer is composed of one of the following services:• DB-LIB (legacy SQL Server API)　 •

ETL scheduling development (5) -- connect to the database to execute database command subroutines and etl Scheduling In ETL scheduling, you need to connect to the database to read and write data. The following subprograms use the input database connection string and database commands (or SQL) to perform the required operations: #!/usr/bin/bash#created by lubinsu#2014source ~/.bash_profilevalues=`sqlplus -S $1 The parameters are database connection strings, database commands (or SQL statements)

, several exceptions have been added to the automatic processing program. In addition, the statistics are stopped after a specified number of consecutive errors occur in the file process or statistical process, and an SMS warning is sent. Design the corresponding configuration table and describe the relationship and configuration methods between the configuration tables. What is the ETL scheduling system? . 1 ETL process and scheduling design (ETL Schedule) (PSP)? ETL scheduling ObjectivesThe q