find all duplicate records in a table

Ngày tải lên: 21/01/2014, 12:20

... 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...

Ngày tải lên: 24/12/2013, 05:15

... 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, Sales Manager is in the Row Labels area, Category is in the Column Labels area, and Units is in the Values area (see the table at the left in Figure 3-18). ... calculated field. CHAPTER 3 ■ CALCULATIONS IN A PIVOT TABLE 65 Calculated items and calculated fields are calculated differently. For calculated items, the individual records in the source data...

Ngày tải lên: 09/10/2013, 12:20

... look at adding a maintainer. This is where we get into really wrapping the PPaacckkaaggeeFFiilleeMMaannaaggeerr class into our GTK application. A maintainer is someone who contributes to a PEAR package. ... this by adding a method called __ccrreeaatteeAAddddMMaaiinnttaaiinneerrPPaaggee(()) . This method will create our information-gathering widgets, plus add a way for us to get the information to ... ddoocc directory that contains rather detailed infor- mation about the package. Thankfully, the package can be used in a straightforward manner. Again, it’s just a matter of taking the right steps in the...

Ngày tải lên: 11/12/2013, 02:15

... 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",...

Ngày tải lên: 24/12/2013, 05:15

... look at adding a maintainer. This is where we get into really wrapping the PPaacckkaaggeeFFiilleeMMaannaaggeerr class into our GTK application. A maintainer is someone who contributes to a PEAR package. ... same code over and over again. I came across the same problem when trying to create PEAR package files—the PPEEAARR__PPaacckkaaggeeFFiilleeMMaannaaggeerr class makes creating PEAR ppaacckkaaggee ... methods of the class give a good indication as to what your application should be doing. The PPEEAARR__PPaacckkaaggeeFFiilleeMMaannaaggeerr class, for example, has an aaddddMMaaiinnttaaiinneerr(()) method....

Ngày tải lên: 17/01/2014, 18:20

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 27/03/2014, 12:21

Ngày tải lên: 29/05/2014, 16:41

Ngày tải lên: 20/06/2014, 08:20

Ngày tải lên: 07/07/2014, 12:20

Ngày tải lên: 07/08/2014, 21:21

Ngày tải lên: 11/08/2014, 17:20

Ngày tải lên: 12/08/2014, 20:20

... 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...

Ngày tải lên: 12/09/2012, 14:40

Ngày tải lên: 04/10/2012, 10:24

Ngày tải lên: 04/10/2012, 10:25

... resuscitation of criti- cally ill or injured adult and paediatric patients [1,2]. It can be challenging to obtain vascular access, especially in the resuscitation of small children in emergency situations ... critically ill patients in emergency situations. As part of their HEMS training programme, intraosseous training was given using man- ual needles, Bone Injection Guns, and EZ-IO® on both manikins and ... Heltne 1,2,3 Abstract Background: Intraosseous access (IO) is a method for providing vascular access in out-of-hospital resuscitation of critically ill and injured patients when traditional intravenous access...

Ngày tải lên: 25/10/2012, 10:02

... pain cases presenting earlier during an episode of care-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 insight into the care and management of patients with muscu- loskeletal chest pain as experienced by both those with chiropractic training, medical training or combined train- ing. Methods Data ... to medical residencies in family practice. They usually require approximately 360 additional hours of didactic training, with only part of that training in a clinical set- ting. There are efforts...

Ngày tải lên: 25/10/2012, 10:06