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find all duplicate records in a table

Tài liệu Counting Records in a DataReader ppt

Tài liệu Counting Records in a DataReader ppt

Kỹ thuật lập trình

... HasRows( ) method of the DataReader was introduced in Version 1.1 of the .NET Framework. It returns a Boolean value indicating whether the DataReader contains at least one row. There is also ... determine the number of records in the result set for the DataReader without iterating through all of the records. Additionally, because the DataReader is forward-only, you cannot move backwards ... forward-only, read-only access to a stream of rows from a data source. It is optimized for performance by reading data directly from a connection to a data source. As a result, there is no way...
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Calculations in a Pivot Table

Calculations in a Pivot Table

Cơ sở dữ liệu

... area, Years and Date are in the Row Labels area, and Units is in the Values area.If you calculate a running total with Date as the base field:• The subtotals for Years are automatically hidden ... each sales manager. In your pivot table, SalesManager is in the Row Labels area, Category is in the Column Labels area, and Units is in theValues area (see the table at the left in Figure 3-18). ... calculated field.CHAPTER 3 ■CALCULATIONS IN A PIVOT TABLE 65Calculated items and calculated fields are calculated differently. For calculated items, theindividual records in the source data...
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Tài liệu It’s All in a Day’s Work docx

Tài liệu It’s All in a Day’s Work docx

Cơ sở dữ liệu

... look at adding a maintainer. This is wherewe get into really wrapping the PPaacckkaaggeeFFiilleeMMaannaaggeerrclass into our GTK application. A maintainer is someone who contributes to a PEARpackage. ... this by adding a methodcalled __ccrreeaatteeAAddddMMaaiinnttaaiinneerrPPaaggee(()). This method willcreate our information-gathering widgets, plus add a way for us to get the information to ... ddooccdirectory that contains rather detailed infor-mation about the package. Thankfully, the package canbe used in a straightforward manner. Again, it’s just a matter of taking the right steps in the...
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Tài liệu Determining the Length of Columns in a SQL Server Table doc

Tài liệu Determining the Length of Columns in a SQL Server Table doc

Kỹ thuật lập trình

... SqlDataAdapter da = new SqlDataAdapter(sqlText, conn); // Add table mappings. da.TableMappings.Add(" ;Table& quot;, "Orders"); da.TableMappings.Add(" ;Table1 ", "Order Details"); ... Server Books Online. The GetSchemaTable( ) method of the DataReader also returns all column lengths. The method returns a DataTable containing column metadata for a DataReader, where the ColumnSize ... foreach(DataTable dt in ds.Tables) { schemaInfo.Append(" ;TABLE: " + dt.TableName + Environment.NewLine); // Create the command to retrieve column information. cmd = new SqlCommand("sp_help",...
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Tài liệu It’s All in a Day’s Work ppt

Tài liệu It’s All in a Day’s Work ppt

Quản trị mạng

... look at adding a maintainer. This is wherewe get into really wrapping the PPaacckkaaggeeFFiilleeMMaannaaggeerrclass into our GTK application. A maintainer is someone who contributes to a PEARpackage. ... same code over and over again. I came across the same problem when trying to create PEAR package files—thePPEEAARR__PPaacckkaaggeeFFiilleeMMaannaaggeerrclass makes creating PEARppaacckkaaggee ... methods of the class give a good indication as towhat your application should be doing. ThePPEEAARR__PPaacckkaaggeeFFiilleeMMaannaaggeerrclass, for example, has anaaddddMMaaiinnttaaiinneerr(())method....
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Multithreaded Programming in a Microsoft  Win32* Environment

Multithreaded Programming in a Microsoft Win32* Environment

Hệ điều hành

... the main program is busy doing something, the other threads can handle the user inputs and perform the tasks. For example, if a user wants to cancel bringing in a large amount of data from a web ... threads to handle individual tasks. For instance, if a thread performing activity A spends a significant amount of time waiting for an I/O operation to complete, another thread can be created ... pressing a button or constantly interacting with the program, are independent activities. The performance of an application can be improved by creating a separate thread for performing each of...
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Báo cáo y học:

Báo cáo y học: "Emergency intraosseous access in a helicopter emergency medical service: a retrospective study"

Y học thưởng thức

... resuscitation of criti-cally ill or injured adult and paediatric patients [1,2]. Itcan be challenging to obtain vascular access, especially in the resuscitation of small children in emergencysituations ... critically ill patients in emergency situations. As part of their HEMS trainingprogramme, intraosseous training was given using man-ual needles, Bone Injection Guns, and EZ-IO® on bothmanikins and ... Heltne1,2,3AbstractBackground: Intraosseous access (IO) is a method for providing vascular access in out-of-hospital resuscitation ofcritically ill and injured patients when traditional intravenous access...
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Báo cáo y học:

Báo cáo y học: "Management of chest pain: exploring the views and experiences of chiropractors and medical practitioners in a focus group interview"

Y học thưởng thức

... pain cases presenting earlier during an episode ofcare-seeking, or more likely as a generalist to serve as a main source of care overall for an entire chest pain epi-sode. Along that same line, ... objective was to gain insightinto the care and management of patients with muscu-loskeletal chest pain as experienced by both those withchiropractic training, medical training or combined train-ing.MethodsData ... to medical residencies in family practice. They usuallyrequire approximately 360 additional hours of didactictraining, with only part of that training in a clinical set-ting. There are efforts...
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Báo cáo y học:

Báo cáo y học: "Users' guides to the medical literature: how to use an article about mortality in a humanitarian emergency"

Y học thưởng thức

... studies in conflict settings asdiverse as Angola [27], Afghanistan [28], and Burma(Myanmar) [29]. If a study omits children in addressingpopulation mortality, findings may exclude a large por-tion ... determine the validity of the study and the applicability of the findings to theirsettings.Public health scenarioYou are a physician working for an international human-itarian medical organization ... Uppsala Conflict Database Program (a database that contains information on armed conflicts ofthe world since 1989) [5], and the Database on theHuman Impact of Complex Emergencies (CE-DAT) [6].Using...
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