delete duplicate records in a table without primary key

... 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

... 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

... 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: 11/08/2014, 02:21

Ngày tải lên: 11/08/2014, 14:20

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Ngày tải lên: 31/10/2014, 10:17

... 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

... DataTable parentTable = new DataTable(PARENTTABLENAME); cols = parentTable.Columns; col = cols.Add(PARENTID_FIELD, typeof(Guid)); col.DefaultValue = Guid.NewGuid( ); parentTable.PrimaryKey ... DataRowChangeEventHandler(parentTable_RowChanging); childTable.RowChanging += new DataRowChangeEventHandler(childTable_RowChanging); } private void parentTable_RowChanging(object sender, DataRowChangeEventArgs ... be changed after each row is added to the table so that each row has a different GUID primary key value. This is done by handling the RowChanging event for each table. When a row has been added,...

Ngày tải lên: 21/01/2014, 11:20

... Table in the Database from a DataTable Schema Problem You need to create a table in a database from an existing DataTable schema. Solution Use the CreateTableFromSchema( ) method shown in this ... CreateTableFromSchema( ) in the sample code is called to create a table in the database from this schema. CreateTableFromSchema( ) This method creates a schema in the database for the schema of the DataTable ... dynamically constructs a Data Definition Language (DDL) statement to create a table in a SQL Server database from the schema of a DataTable. The complete statement that is generated is shown in...

Ngày tải lên: 21/01/2014, 11:20

... displayed in the text boxes. Comments As you can see, adding and deleting a record does not take much more than editing and updating a record using ADO.NET. Using the commands in this How-To and ... 80. ' Have the command builder create an Insert SQL command 81. modaCustIndiv.InsertCommand = ocbCustIndiv.GetInsertCommand 82. Else 83. ' Have the command builder create an update ... you can set it up to handle updating and canceling of multiple records as well. 3. Add the following line of code where you placed the other module-level variable declarations. This variable...

Ngày tải lên: 21/01/2014, 12:20

... short chain; Aco1, aconitase 1; Agt ) , alanine-glyoxylate aminotransferase knockout; Aldh2, aldehyde dehydrogenase 2; Car3, carbonic anhydr- ase 3; Cat, catalase; Dao1, D-amino acid oxidase 1; ... of another aminotransferase, AGT2, in mouse liver [7], although kinetic studies [8] indicate that its alanine- glyoxylate aminotransferase activity is not favored over aminobutyrate-pyruvate, ... aminobutyrate-pyruvate, b-alanine-pyruvate and dimethylarginine-pyruvate aminotransferase activities. In the rat, gluconeogenesis from l-serine takes place mainly through l-serine dehydratase, whereas the flux through...

Ngày tải lên: 23/03/2014, 03:20

... immunization, antenatal care, postnatal, family planning and laboratory services. The study subjects include Nigerians aged 8 years and above residing in Zaria, Kaduna State, Nigeria since there ... Nigeria National Demographic Health Survey Report 2003. Nirupa CG, Sudha GT, Santha TC, Ponnuraja CR, Fathima RV, Chandrasekharan VK, Jaggarajamma K, Park K (2005). Textbook of Preventive and ... determine the socio- demographic characteristics of patients presenting with pulmonary TB (PTB) at a primary health care centre in Zaria, Kaduna State of Nigeria. STUDY POPULATION AND METHODOLOGY...

Ngày tải lên: 29/03/2014, 03:20

... Gettype(integer)  AllowDBNull  AutoIncrement  DefaultValue  Unique  ReadOnly DataSet DataTable DataRow DataColumn DataTable DataRow DataColumn Lesson 3: Creating DataAdapter Objects  What Is a DataAdapter  Between Dataset/Datatable and ... Database  Connect to Command and Connection  Fill and Update Dataset/DataTable  Disconect to Dataset/DataTable Lesson 2: Creating DataTable Objects.  Create a DataTable.  Add a DataTable ... Objectives in chapter  Create a DataSet graphically.  Create a DataSet programmatically.  Add a DataTable to a DataSet.  Add a relationship between tables within a DataSet.  Navigate a relationship...

Ngày tải lên: 13/05/2014, 12:19

... data hierarchical clustering analysis To generate a classification based on a- bisabolol sensitiv- ity, samples were grouped using the complete linkage hierarchical clustering algorithm available ... the dose-response assays for each case are depicted. a- bisabolol plus imatinib mesylate in cells bearing mutated or non-mutated BCR/ABL a- bisabolol was active against Ph + B-ALL cells (24-hour IC 50 was 46 ... Bonifacio 2 , Alessandra Carcereri de Prati 1 , Emanuele Guardalben 2 , Christian Bergamini 3 , Romana Fato 3 , Giovanni Pizzolo 2 , Hisanori Suzuki 1 and Fabrizio Vinante 2* Abstract Background:...

Ngày tải lên: 18/06/2014, 19:20

... the findings. SA and SB carried out the sta- tistical analyses and drafted the manuscript. All authors read and approved the final manuscript. Additional material Acknowledgements This study was ... longitudinal study in a gen- eral population with postal surveys at baseline and at an eight-year follow up, and was a part of the Epipain project [22]. Subjects and data collection The target population ... musc- uloskeletal pain at baseline, younger age was significantly associated with having a health status better than the mean score for PF, RP, BP and GH. The same pattern could be seen in the eight-year...

Ngày tải lên: 18/06/2014, 19:20

... (PHQ-scores), and HSU were made by ANCO- VAs adjusted for covariates that may have substantial influence such as age, disease duration, comorbidities and QoL (AIMS2-SF scales assessing pain, physical limitation and ... according to most guidelines, was only marginally prescribed. The main pillar in pharmaco- logical treatment are NSAIDs such as Diclofenac [29-31]. This is in accordance with the fact that NSAIDs are ... remained not statis- tically significant after adjusting for covariates as men- tioned above. More than a quarter of the patients received some acupuncture during the last half year and nearly a quarter...

Ngày tải lên: 20/06/2014, 00:20

Ngày tải lên: 20/06/2014, 08:20