mapping tables and columns

... the TableMappings property. The TableMappings property returns an object of the TableMappingCollection class. This object is a collection of TableMapping objects, and you use a TableMapping ... myDataTableMapping.DataSetTable = Cust myDataTableMapping.SourceTable = Customers CustomerID = ALFKI CompanyName = Alfreds Futterkiste Address = Obere Str. 57 Mapping Tables and Columns ... read this mapping using the SourceTable and DataSetTable properties of myDataTableMapping. For example: Console.WriteLine("myDataTableMapping.SourceTable = " + myDataTableMapping.SourceTable);...

Ngày tải lên: 14/12/2013, 18:15

... the TableMappings property. The TableMappings property returns an object of the TableMappingCollection class. This object is a collection of TableMapping objects, and you use a TableMapping ... DataTableMapping object named myDataTableMapping, passing Customers and Cust to the Add() method: DataTableMapping myDataTableMapping = mySqlDataAdapter.TableMappings.Add("Customers", ... statement to populate a DataSet object named myDataSet: SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT CustomerID AS MyCustomer, CompanyName,...

Ngày tải lên: 24/12/2013, 01:17

... Utilizing Properties for Tables and Columns Tables and columns, like other objects in your database, have properties that allow you to control the data that is going into your tables. For example, ... Address, Phone, and so on. These would be fields, or columns, within each row. In a database, you will also have objects that allow you to query information within tables and update information. ... Stored Procedures, and Functions to view and update data within the database. To use these objects, you need to be able to create them. To create a database along with its tables in SQL Server,...

Ngày tải lên: 24/12/2013, 06:17

Ngày tải lên: 04/10/2012, 10:02

Ngày tải lên: 04/09/2013, 15:20

Ngày tải lên: 25/10/2013, 07:20

... won't create tables; you will create the tables for the users, and they will fill the data into the tables using your applications. When the user fills in the data, the application and SQL Server ... of the data is and what the allowed length is. The Allow Nulls property determines whether the user even has to enter data. Comments Creating the tables, made up of columns and rows, is the ... out your tables ahead of time, examining each real-world object, and transfer those properties to the columns that make up the tables that represent your objects. 9,223,372,036,854,775,808)...

Ngày tải lên: 28/10/2013, 19:15

... None Altering Tables and Constraints 12Ć19 Renaming and Truncating a Table Additional DDL commands include the RENAME command, which is used to rename a table, view, sequence, or synonym, and the TRUNCATE ... Server and is no longer available in the data dictionary. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć12 Altering Tables and Constraints 12 Introduction to Oracle: SQL and PL/SQL ... Procedure Builder12Ć16 Altering Tables and Constraints 12Ć5 Overview Once you have created your tables, you can modify their structure by using the ALTER TABLE command. Add columns, modify the column...

Ngày tải lên: 10/12/2013, 16:16

... the table mapping to map the default table name 'Table'. DataTableMapping dtm = da.TableMappings.Add("Table", "tblmapCategories"); // Create the column mappings ... batch query is used to fill multiple tables within a DataSet, the table names default to Table, Table1, Table2, and so on. You can use table mapping to rename tables created within the DataSet ... the tables returned from a batch query to DataTable objects that already exist within the DataSet. Each table mapping object has a collection of DataColumnMapping objects in its DataColumnMappingCollection...

Ngày tải lên: 14/12/2013, 18:16

... command. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć24 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć20 Altering Tables and Constraints 12Ć13 Adding and ... and is no longer available in the data dictionary. Altering Tables and Constraints 12Ć25 Practice Overview In this practice, you will create, modify, and drop tables related to the EMPLOYEE and ... them. Altering Tables and Constraints 12 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder12Ć16 Altering Tables and Constraints 12Ć3 Objectives After you create your tables, you may...

Ngày tải lên: 24/01/2014, 10:20

Ngày tải lên: 26/03/2014, 14:08

... Linear combination of random variables Let X 1 ,X 2 , ,X m and Y 1 ,Y 2 , ,Y n be random variables, let a 1 , a 2 , , a m and b 1 , b 2 , , b n be constants, and let U and V be the linear combinations U ... (2.21) 2.2.13 Standard deviation The standard deviation is the positive square root of the variance: s = √ s 2 . The probable error is 0.6745 times the standard deviation. 2.2.14 Standard errors The standard ... New York Washington, D.C. standard probability and Statistics tables and formulae CRC Preface It has long been the established policy of CRC Press to publish, in handbook form, the most up-to-date,...

Ngày tải lên: 31/03/2014, 16:23

... material—tabular and expository. In line with the established policy of CRC Press, the Handbook will be kept as current and timely as is possible. Revisions and anticipated uses of newer materials and tables ... means that is a positive real number. 1. If and then . 2. If then for any real number . 3. If and if then if then 4. If and then . 5. If and then . 6. If and then © 2003 by CRC Press LLC 77. 1, 1, ... sections, more than 90 distinguished examples, and more than a dozen new tables and gures. This brings the total number of sections, sub-sections, and sub-sub-sections to more than 1,000. Within...

Ngày tải lên: 31/03/2014, 16:28

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Ngày tải lên: 21/01/2014, 12:20

... colors around the mouth and eyes and in the recesses of the neck and ears (for both male and female and across races). Warmer colors appear on the nose, cheeks, and forehead, and some yellows are ... that has two custom render layers and the default render layer. BuMP and norMal MaPPIng | 603 7. Expand the Source Meshes rollout, right-click the HIRES layer, and choose Select Objects. 8. ... texture MaPPIng The Epidermal layer is the topmost layer, where you’ll find freckles and moles; the Subder- mal layer is just beneath the skin, where you’ll find veins and capillaries; and the...

Ngày tải lên: 27/08/2012, 14:32

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Ngày tải lên: 09/08/2013, 11:51