deleting duplicate records in a table without using rowid

... don't have corresponding records (invoices) in a related table, you have to have a better understanding of the types of joins that can be used between tables during queries. Before looking ... You use this join when you want to see all of the records in the first table, but only those records in the second table that have matching records in the first table. An example of ... records in which at least one record exists in each table for the joined field. This means that customers are displayed only if they have at least one invoice. If you want to see the CompanyName and...

Ngày tải lên: 21/01/2014, 12:20

Ngày tải lên: 05/09/2013, 16:30

... 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 ... variables, and constants using System; using System.Configuration; using System.Data; using System.Data.SqlClient; // . . . // Batch query to retrieve the COUNT of records and // all ... 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...

Ngày tải lên: 24/12/2013, 05:15

... that this approach was impractical because of the time and effort required to collect the necessary data. In any case, an alternative technique which managed without a separate table of tag-pair ... and then measuring ABSOLUTE LIKELIHOODS of tag- pairs. Instead of a separate tag-pair error likelihood table to assess the grammaticality, the same tag-pair frequency table is used for tag-assignment ... general Constituent Likelihood approach to grammatical analysis, and CLAWS in particular, can be used to analyse text including ill-formed syntax. More importantly, it can also be adapted...

Ngày tải lên: 24/03/2014, 05:21

Ngày tải lên: 09/08/2014, 14:20

Ngày tải lên: 09/08/2014, 22:22

Ngày tải lên: 11/08/2014, 02:21

Ngày tải lên: 12/08/2014, 01:22

Ngày tải lên: 31/10/2014, 10:17

Ngày tải lên: 11/08/2014, 05:22

... pneuma- tization with no ethmoid cells extending above a line tangential to the supraorbital margin. Frontal sinus aplasia was also defined by an oval-shaped sinus with the lateral margin medial ... defined as the absence of frontal bone pneumatization with no ethmoid cells ex- tending above a line tangential to the supraorbital margin (horizontal line). Frontal sinus aplasia is also defined ... frequency was significantly higher in some populations, including Alaskan Es- kimos (25% in males and 36% in female) and Cana- dian Eskimos (43% in males and 40% in female) [21,22]. According to...

Ngày tải lên: 25/10/2012, 11:04

... data collection phase involved gathering the data for use in training and testing the neural network. A large training data reduces the risk of under-sampling the nonlinear function, but increases ... the field data. In particular, these differences are increase at the high strain rate range. The reason is that ANN model has not a lot of database on the high strain rate. To eliminate this ... steps using a load increment ratio of 1.0 which was maintained for 24 hours. The CRSC tests were carried out after confirming full saturation using B value, and were performed with the strain rate...

Ngày tải lên: 22/03/2013, 15:01

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 08:40

... & Materials Science at Washington University in St Louis. He received B.S. in Mechanical Engineering from Shanghai Jiao Tong University in China in 2008 and M.S. in Mechanical Engineering ... VAWT wind farm. The results are given in Table 4. The optimal layout is the same as that of a HAWT as shown in Figure 9. Table 4. Optimization results for VAWT wind farm Optimization Objective ... Conclusion and future work The results shown in section 5 demonstrate that the layout optimization of a wind farm of HAWT using GA gives a uniform grid arrangement similar that obtained by Grady et al....

Ngày tải lên: 05/09/2013, 17:03

... following frameworks: (a) A day in the life on an endangered animal 4. Discussing, creating, and thinking in a group, rather than in a whole class context, can provide a less anxiety-producing ... Cooperative Learning to Integrate Thinking and Information Technology in a Content-Based Writing Lesson Gabriel Tan (Xinmin Secondary School, Singapore) Patrick B Gallo (SEAMEO Regional Language ... steps. 4. After using computers, students can again analyze and share what they have learned and done, as well as what they need to do next. Lesson Plan - Using the Internet for Pre-Writing Using...

Ngày tải lên: 06/09/2013, 05:10

... 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: ã The subtotals for Years are automatically hidden ... formula is changed. 3.17. Using Formulas: Creating a Calculated Field Problem In your pivot table, Rep and Product are in the Row Labels area. In the Values area, the Total field shows the total sales ... inserted in the workbook, with a list of calculated items and a list of calculated fields. 3.27. Using Formulas: Accidentally Creating a Calculated Item Problem Your pivot table contains a calculated...

Ngày tải lên: 09/10/2013, 12:20

... 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

... Name(); } } } 3. Add a second public read-only indexer to the PhoneBook class that returns a PhoneNumber and accepts a single Name parameter. Implement this indexer in the same way as ... and then discards the old arrays. Write the indexers 1. In the PhoneBook.cs source file, add a public read-only indexer that returns a Name and accepts a single PhoneNumber parameter to the ... performs a search through an array, returning the index of the first item in the array that matches. The first argument to IndexOf is the array to search through (phoneNumbers). The second argument...

Ngày tải lên: 24/12/2013, 09:16