getting an identity column value from sql server

Tài liệu Getting an Identity Column Value from SQL Server pptx

... da.InsertCommand.UpdatedRowSource = [ Team LiB ] Recipe 4.2 Getting an Identity Column Value from SQL Server Problem When you add a row into a SQL Server table that has an identity column, the value ... "SELECT Scope _Identity( ) CategoryId"; da.InsertCommand = new SqlCommand(sqlText, da.SelectCommand.Connection); da.InsertCommand.CommandType = CommandType.Text; Batch SQL commands do not ... work with a batch SQL command. The SCOPE _IDENTITY( ) function was introduced in SQL Server 2000 to make it easier to work with identity values. While SCOPE _IDENTITY( ) and @ @IDENTITY both return...

Tài liệu Retrieving Column Default Values from SQL Server pdf

Danh mục: Kỹ thuật lập trình

... procedure, see Microsoft SQL Server Books Online. [ Team LiB ] [ Team LiB ] Recipe 10.3 Retrieving Column Default Values from SQL Server Problem The DataColumn object exposes a Default ... value for the column. The default value is surrounded by parentheses as well as delimiters for nonnumeric fields—for example, single quotes by default in SQL Server for dates and strings, and ... returns schema information, it does not include the default values for columns. You want to retrieve the default values of columns in a SQL Server table. Solution Use system stored procedures....

Retrieve XML from SQL Server 2000

Danh mục: Cơ sở dữ liệu

... data from my SQL Server database into an XML document format. How do I do that with SQL Server 2000? Technique To accomplish this task, you will create a Command object with the Transact -SQL ... How-To 12.4: Retrieving XML from SQL Server 2000. When the page loads, you will see an example of a T -SQL statement that retrieves data from SQL Server 2000 in an XML format. Click on the button ... displayed here was read from SQL Server in an XML format. Comments Normally, you would be taking the XML document that the command object returned and passing that on to another system that...

Tài liệu Reading XML Data Directly from SQL Server doc

Danh mục: Kỹ thuật lập trình

... to retrieve an XML stream directly from SQL Server, where it returns an XmlReader that contains the results of the SQL query. The ExecuteXmlReader( ) method can only be used with SQL statements ... ds.GetXml( ); Discussion SQL Server 2000 introduced support for retrieving data in XML format using the FOR XML clause. The .NET SQL Server data provider SqlCommand object has an ExecuteXmlReader( ... The ExecuteXmlReader( ) method can also be used to return ntext data containing valid XML. For more information about the FOR XML clause, see Microsoft SQL Server Books Online. [ Team LiB...

Tài liệu Retrieving Database Schema Information from SQL Server pptx

Danh mục: Kỹ thuật lập trình

... collations Columns Columns in tables and view Column_ Domain_Usage Columns that are dependant on a domain defined in the catalog Column_ Privileges Privileges on columns Constraint _Column_ Usage Columns ... views that are available in SQL Server 7.0 and later. These views provide system-table independent access to SQL Server metadata. Although based on the sysobjects and syscomments system tables, ... user-defined data type COLUMN_ PRIVILEGES Columns with a privilege granted to or by the current user COLUMNS All columns CONSTRAINT _COLUMN_ USAGE Columns that have a constraint defined on them...

Tài liệu Creating DataSet Relationships from SQL Server Relationships docx

Danh mục: Kỹ thuật lập trình

... connection and command to retrieve constraint information. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmd = new SqlCommand(sqlText, ... ParentColumn Name of the column in the parent table ChildColumn Name of the column in the child table For relationships that are based on more than one column, there will be more than one ... "kcuP .COLUMN_ NAME ParentColumn, kcuC .COLUMN_ NAME ChildColumn " + " ;FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc " + "LEFT JOIN INFORMATION_SCHEMA.KEY _COLUMN_ USAGE...

Tài liệu Retrieve Results from SQL Server by Using the DataTable Object docx

Danh mục: Cơ sở dữ liệu

Tài liệu Getting an AutoNumber Value from Microsoft Access pdf

Danh mục: Kỹ thuật lập trình

... autonumber value for inserts only. if(args.StatementType == StatementType.Insert) { // SQL command to retrieve the identity value created OleDbCommand cmd = new OleDbCommand("SELECT @ @IDENTITY& quot;, ... Recipe 4.3 Getting an AutoNumber Value from Microsoft Access Problem If you add a row into a Microsoft Access table that has an AutoNumber column, the value assigned to the column in the ... insert command for the DataAdapter. String sqlInsert = "INSERT INTO Categories " + "(CategoryName, Description) VALUES (?, ?)"; da.InsertCommand = new OleDbCommand(sqlInsert,...

Tài liệu Getting SQL Server Column Metadata Without Returning Data doc

Danh mục: Kỹ thuật lập trình

Apress - Beginning SQL Server 2008 for Developers_ From Novice to Professional (2008)01

Danh mục: Cơ sở dữ liệu

... who want to become more adept at using SQL Server 2008’s programming language, Transact SQL (T -SQL) . Where practical, this book demonstrates, explains, and expands upon each method of using SQL ... then a minimum, and I mean a bare minimum, of 1GB really should be installed, especially if you want to use any of the more advanced features.2005 SQL Server 2005 Many areas of SQL Server have ... useful for understanding the basics of other databases in the marketplace, especially when working with T -SQL. Many databases use an ANSI-standard SQL, so moving from SQL Server to Oracle,...

Getting a SQL Server Query Plan

Danh mục: Kỹ thuật lập trình

... Description Date and Time Alters current session settings for handling of date and time data Locking Alters current session settings for handling SQL Server locking Miscellaneous Alters current ... not all of the commands executed while the connection object is open. SHOWPLAN_ALL returns more information about the plan than just the StmtText column but is turned on and off in the same ... statement, SHOWPLAN_TEXT, or SHOWPLAN_ALL, see the topic "SET" in Microsoft SQL Server Books Online. [ Team LiB ] "ORDER BY CompanyName"; // Retrieve the plan into DataReader....

Tài liệu Connecting to SQL Server Using Integrated Security from ASP.NET ppt

Danh mục: Kỹ thuật lập trình

... SQL Server Using Integrated Security from ASP.NET Problem You want to coordinate Windows security accounts between an ASP.NET application and SQL Server. Solution Connect to SQL Server from ... expose the user ID and password and is the recommended method for authenticating a connection. SQL Server Authentication Uses a SQL Server login account providing a user ID and password. Integrated ... Authentication in SQL Server. Discussion Connecting to a SQL Server database provides two different authentication modes: Windows Authentication Uses the current security identity from the Windows...

Tài liệu Đồ án môn học :Công nghệ phần mềm MS SQL Server và Postgre SQL docx

Danh mục: Báo cáo khoa học

... Postgre SQL I. Giới thiệu chung về SQL 1II. Giới thiệu chung SQL Server 2Phần 2 SQL Server. I. SQL server 2000 3II. Transact SQL 6III. Cơ sở dữ liệu trên SQL Server 8IV. Sao lưu và phục hồi ... class :]33MS SQL Server vµ Postgre SQL Phần 2 SQL Server. I. SQL server 2000.1. Khái niệm. SQL server là một hệ thống quản lý cơ sở dữ liệu ( RDBMS – Relational Database Management System ... hoạt động và hiện văn 41MS SQL Server vµ Postgre SQL 45MS SQL Server vµ Postgre SQL - SQL Profiler: có khả năng bắt các sự kiện hay hoạt động diễn ra trên một SQL server và lưu lại dưới dạng...

Tài liệu Getting a Sequence Value from Oracle pdf

Danh mục: Kỹ thuật lập trình

... unique values for a primary key column, but is not related to the table containing the column. As a result, a sequence generator can generate unique values for more than one table. The SQL command ... to return data as SQL Server does. You can, however, return the sequence value by setting the return value of a stored procedure. The sample demonstrates using the NEXTVAL and CURRVAL keywords ... parameter name constants for table [ Team LiB ] Recipe 4.4 Getting a Sequence Value from Oracle Problem When you add a row into an Oracle table that uses a sequence to generate the value for a...