data communication with the server
Tài liệu Nesting Manual Transactions with the SQL Server .NET Data Provider ppt
... in the transaction that can later be used to roll back a portion of the transaction—to the savepoint rather than rolling back to the start of the transaction The savepoint is named using the ... be rolled back without rolling back the entire transaction An InvalidOperationException is raised if the OLE DB data source does not support nested transactions The SQL Server NET data provider's ... using the only argument of the Save( ) method An overload of the Rollback( ) method of the SqlTransaction class accepts an argument that you can use to specify the name of the savepoint to roll back...
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Tài liệu Lecture 14: The Theoretical Basis for Data Communication: pptx
... us the ratio of two power levels, that is it expresses the gain of the system But some time we want to express the exact output power of a system rather than the gain In that case, we compare the ... Telecommunications, Winter 2000 Lecture 14 Communication Basics Part-2 Digital Data Signal: Bit rate, is the number of bits transmitted per second Baud rate, is the signaling speed That is the ... measure used for power in telecommunications circuits Rather than absolute measure of power, we often concerned with the comparison of one power level to another Such as the output power of an amplifier...
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Tài liệu Reading and Writing Binary Data with SQL Server doc
... update the image A parameter for the image is added to the stored procedure command The ExecuteNonquery( ) method of the Command object is used to update the image in the database The DataAdapter ... a DataRow and define its schema for the binary types as described previously or retrieve the schema from the data source using the FillSchema( ) method of the DataAdapter Add the row to a DataTable ... differently than other data when reading with a DataReader since the data cannot be contained in a single row The ExecuteReader( ) method of the Command object that is used to create the DataReader...
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Tài liệu Wiley - Data Mining with Microsoft SQL Server 2008 (2009)01 pdf
... 2007 Introducing the Data Mining Client Importing Data Using the Data Mining Client Data Exploration and Preparation Discretizing Data with the Explore Data Tool Chopping Off the Long Tail Consolidating ... and server logs from web servers, or even the database servers hosting the data The result of this unceasing data collection is that organizations have become data- rich and knowledge-poor The ... Creating Data Mining Objects Setting Up Your Data Sources Understanding Data Sources Creating the MovieClick Data Source Using the Data Source View Creating the MovieClick Data Source View Working with...
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Tài liệu Wiley - Data Mining with Microsoft SQL Server 2008 (2009)02 pptx
... download the log data from your web servers Sometimes you might be lucky and find that there is already an existing data warehouse on the subject of your analysis However, in many cases, the data in the ... the data warehouse is not rich enough and must be supplemented with additional data For example, the log data from the web servers contains only data about web behavior and little (if any) data ... warehouses The first step is to pull the relevant data into a database or a data mart where the data analysis is applied For example, if you want to analyze your website’s click stream, the first...
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Tài liệu Professional SQL Server 2000 Data Warehousing with Analysis Services docx
... raw data stored in the data warehouse into information and knowledge within the OLAP service The data warehouse is the storage area that OLAP may tap into to its analyses Data is fed into the data ... corporations use their data marts as the first stage of storing operational data The data is then replicated from all of the corporate data marts into a central "enterprise" data warehouse Such a data warehouse ... detail then e-mail support@wrox.com, with the title of the book and the last four numbers of the ISBN in the subject field of the e-mail A typical e-mail should include the following things: ❑ The...
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Getting Started with the Oracle Server pdf
... interact with and manipulate the database – Ability to start up and shut down the database, create and run queries, add rows, modify data, and write customized reports • A subset of the standard ... rights reserved Database Administrator Users • Users SYS and SYSTEM are created automatically – During database creation – Granted the DBA role • User SYS – Owner of the database data dictionary ... rights reserved Oracle Database Configuration Assistant You use the Oracle Database Configuration Assistant to: • Create a database • Configure database options • Delete a database • Manage templates...
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.Exam 70-463: Implementing a Data Warehouse with Microsoft SQL Server 2012 pot
... of the data could be missing; other parts could be wrong Even with good data, you could still have different representations of the same data in different databases For example, gender in one database ... Review the AdventureWorksDW2012 Database Schema In this exercise, you review the database schema Start SSMS and connect to your instance of SQL Server Expand the Databases folder and then the AdventureWorksDW2012 ... often working against more than one datapass the exam base For the purposes of analysis, these enterprises need to be able to merge the data from multiple databases Data quality is a common problem...
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Exam 70-463: Implementing a Data Warehouse with Microsoft SQL Server 2012 pot
... of the data could be missing; other parts could be wrong Even with good data, you could still have different representations of the same data in different databases For example, gender in one database ... Review the AdventureWorksDW2012 Database Schema In this exercise, you review the database schema Start SSMS and connect to your instance of SQL Server Expand the Databases folder and then the AdventureWorksDW2012 ... also have part of the sales data in one database and part in another And you could have customer data in both databases, without a common identification In such cases, you face the problems of...
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Báo cáo hóa học: " Research Article The Displacement of Base Station in Mobile Communication with Genetic Approach" potx
... p is equal to the fitness of the individual divided by the sum of the fitness of each individual in the population Therefore, the individual with a high fitness level can survive with high probability: ... based on the magnitude of the fitness score relative to the rest of the population The higher the score, the more selective an individual will be Any individual has a probability p of the choice, ... genotypes represent the genomes of the closely located base stations An algorithm satisfying the above factors is consistent with the building-block hypothesis and schema theorem The three things...
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Báo cáo khoa hoc:" Simulation analysis to test the influence of model adequacy and data structure on the estimation of genetic parameters for traits with direct and maternal effects" ppsx
... large, a part of the males and females were randomly mated within-flock (within-flock mating), the other part being randomly mated with reproducers from other flocks (between-flock mating) The number of ... example, at the end of the simulation, the maternal grand-dams had still passed on 78% of the gene of their flock and the dams, 39% Therefore, six years were not sufficient to take into account the overall ... despite the theoretical advantages of this model, some data and model conditions can affect the validity and precision of the estimation of variance components The first source of bias lies in the...
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Báo cáo y học: "Health related quality of life in trauma patients. Data from a one-year follow up study compared with the general population" potx
... contributions KT had the main responsibility of planning the study, collecting the data, performing the data analyses and writing the article LS also collected data ISB, LS and HM participated in the planning ... Missing data on the SF-36 were replaced according to the SF-36 manual [47] When an item was missing on the HADS and IES, missing data were replaced with the patients’ mean value for each subscale Data ... after the ICU stay [28,29], it is not clear whether the ICU stay adds to the burden of trauma and whether the trauma ICU patients consequently report lower HRQOL than the non ICUpatients To the...
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Ant functional group succession dynamics correlates with the age of vegetation succession data analysis of worldwide studies and a case study of a secondary tropical rain forest in singapore
... Therefore, the fragmented nature of succession and the rich ant fauna in the CCNR makes it ideal for the study of ant succession dynamics in the tropics I was able to use the results of the data ... different stages of succession in the CCNR as the study sites Some of the hypotheses generated on the basis of the mega data analysis in the last chapter were: 43 (i) The proportions of Cryptic Species, ... relationship with age of the forest (Figure 9) The proportions of other functional groups did not change significantly with age There was no relationship between the proportions of any functional group with...
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KNOWLEDGEBASED INTERPRETATION OF REMOTE SENSING DATA WITH THE INTERIMAGE SYSTEM: MAJOR CHARACTERISTICS AND RECENT DEVELOPMENTS
... Initially, the control process will visit the nodes from top to bottom – from the root to the leaf nodes – in the so called top-down step of the interpretation process After reaching the leaf nodes, the ... bottom-up operations to resolve the conflicts among the hypotheses generated in the top-down step, i.e to decide which hypotheses will prevail The hypotheses validated through the bottom-up operations ... segments from the intersection of the regions associated to higher level hypotheses (from the father, semantic network node) and a shapefile provided by the user The output of the interpretation...
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The tactful teacher effective communication with parents, colleagues and administrators bend
... a very busy time, it provides them with the perfect opportunity to open the lines of communication with parents, and saves them the time and effort they might otherwise expend on introductory ... at school Phone them at the start of the school year, introduce yourself, speak with them about their child as an individual, and explain how they can get in touch with you if they have questions ... the parents that you wish to foster clear and positive communication with them throughout the school year, inform them of the best possible ways to contact you, and end by thanking them for their...
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Building Portals with the Java Portlet API
... reference the instance of the portlet in the portal page—if there are two portlets on the page with the same class, they will have different portlet URLs The portal container is responsible for the ... The software developer’s job is to take all of the systems that provide these services and add interfaces to them to work with the portal Portlets are the individual components displayed in the ... and feel The HTML and style sheets for the portal are contained in the skin The layout of the initial portal page the users will get when they log in is usually customizable through the administration...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
... acknowledgement A data manager passes data for a memory object to the kernel by using the pager _data_ provided call This call specifies the location of the data within the memory object, and includes the memory ... vm_allocate _with_ pager) or receipt of data in an IPC message In the first case, the source of the data is considered trusted (either the default pager, or a data manager known to the requestor) Use of the ... destroyed when the data manager relinquishes that memory If the data manager does not process and release the data within an adequate period of time, the data may then be paged out to the default...
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