creating a sql tuning set object
Using a SqlConnection Object to Connect to a SQL Server Database phần 1
... illustrates how to use a SqlConnection object to connect to a SQL Server database */ using System; using System.Data; using System.Data.SqlClient; class MySqlConnection { public static void Main() ... have to wait for a brand new connection to the database to be established when there's a suitable connection already available When you close a connection, that connection isn't actually closed; ... System.Data; using System.Data.SqlClient; class ConnectionPooling { public static void Main() { // create a SqlConnection object to connect to the database, // setting max pool size to 10 and pool...
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Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
... System .Object class acts as the base class for all classes In other words, all classes are ultimately derived from the System .Object class The second parameter is an object of a class that is ... SqlInfoMessageEventHandler(InfoMessageHandler); // open mySqlConnection mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); // run a PRINT statement ... StateChangeEventArgs class The following example defines a method named StateChangeHandler to handle the StateChange event You'll notice that the second parameter to this method is a StateChangeEventArgs object...
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Tài liệu Executing a SQL Server Stored Procedure By Using ActiveX Data Objects doc
... cmd.CreateParameter("CustomerID", ADODB.DataTypeEnum.adChar, ADODB.ParameterDirectionEnum.adParamInput, 5) cmd.Parameters.Append(prm) prm.Value = "CHOPS" OpenNorthwindADOConnection(cnn) cmd.ActiveConnection ... = rstCurr.GetString Catch excp As Exception MessageBox.Show(excp.Message) End Try End Sub The last thing that this routine does is open a recordset based on the Command object This is to the ... Execute method To see the routine in A. 8 executed, click on the button with the caption Stored Procedure with Parameter, located on the frmMain form for this Appendix project ...
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Tài liệu Creating a Command Object Using Visual Studio .NET docx
... continue The CommandText property of your SqlCommand object is then set to the SELECT statement you created in Query Builder Note Save your MyDataReader project by selecting File ➣ Save All You'll ... here Add the CustomerID, CompanyName, and ContactName columns using Query Builder, as shown in Figure 8.3 Figure 8.3: Adding the CustomerID, CompanyName, and ContactName columns to the query using ... CommandText property for your SqlCommand object In the Add Table dialog, select the Customers table, as shown in Figure 8.2 Click the Add button to add the Customers table to your query Click the...
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Tài liệu Creating a Connection Object Using Visual Studio .NET pdf
... example, you can set your method to private void sqlConnection1_StateChange( object sender, System.Data.StateChangeEventArgs e) { Console.WriteLine( "State has changed from "+ e.OriginalState + "to ... the SQL Server Northwind database is set to data source=localhost;initial catalog=Northwind;persist security info=False; user id=sa;pwd=sa;workstation id=JMPRICE-DT1;packet size=4096 Note The ... of False Coding an Event in VS NET You can add code for an event in VS NET For example, let's say you wanted to add code for the State-Change event of the sqlConnection1 object created earlier...
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Tài liệu Creating a DataAdapter Object Using Visual Studio .NET doc
... new SqlDataAdapter object in the tray Warning You need to set the Connection property of the SelectCommand in your sqlDataAdapter1 object to your Connection object before the DataAdapter can access ... This link allows you to re-enter the Wizard to configure your DataAdapter Generate Dataset This link allows you to generate a DataSet object using the information set for your DataAdapter You'll ... for the sqlDataAdapter1 object When you're ready, select File ➣ Save All Note Don't bother running your project yet because you'll add a DataSet that will be populated using your DataAdapter in...
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Tài liệu Creating a DataSet Object Using Visual Studio .NET docx
... sqlDataAdapter1.Fill(dataSet11, "Products"); sqlConnection1.Close(); System.Data.DataTable myDataTable = dataSet11.Tables["Products"]; foreach (System.Data.DataRow myDataRow in myDataTable.Rows) ... DataSet object in the tray Your next step is to set the Form1_Load() method of your form as follows: private void Form1_Load (object sender, System.EventArgs e) { sqlConnection1.Open(); sqlDataAdapter1.Fill(dataSet11, ... myDataTable.Rows) { listView1.Items.Add(myDataRow["ProductID"].ToString()); listView1.Items.Add(myDataRow["ProductName"].ToString()); listView1.Items.Add(myDataRow["UnitPrice"].ToString()); } }...
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Tài liệu Creating a ForeignKeyConstraint Object doc
... that the ForeignKeyConstraint is added to ordersDT using the Add() method Note To successfully add a ForeignKeyConstraint to a DataTable, each DataColumn value in the child DataTable must have ... must have a matching DataColumn value in the parent DataTable The next example retrieves the constraint just added to ordersDT and displays its properties: myFKC = (ForeignKeyConstraint) ordersDT.Constraints["ForeignKeyConstraintCustomersOrders"]; ... (DataColumn relatedDataColumn in myFKC.RelatedColumns) { Console.WriteLine(""+ relatedDataColumn); } Console.WriteLine("myFKC.RelatedTable = " + myFKC.RelatedTable); Console.WriteLine("myFKC.Table...
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Tài liệu Creating a SqlCommand Object pptx
... learn how to create a SqlCommand object using the CreateCommand() method of a SqlConnection object Creating a SqlCommand Object Using the CreateCommand() Method Rather than creating a SqlCommand ... SqlCommand object using the constructors, you can use the CreateCommand() method of a SqlConnection object The CreateCommand() method returns a new SqlCommand object For example: SqlCommand mySqlCommand ... Indicates the name of a table, for which all rows and columns are to be retrieved Note: SqlCommand objects don't support TableDirect You have to use an object of one of the other Command classes...
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Tài liệu Creating a New SQL Server Database doc
... database objects Database objects are defined using DDL The solution executes a DDL CREATE DATABASE statement to create a new database on a SQL Server You can programmatically drop the database by ... DATABASE statement in a similar way To drop the database created in the previous example, use the following code: DROP DATABASE MyDatabase The DROP DATABASE statement will fail if the database ... There are two categories of SQL statements: Database Definition Language (DDL) Used to manage all objects in the database, generally with CREATE, ALTER, and DROP statements to create, modify, and...
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Tài liệu Creating a Sound Object pdf
... contains the background graphics The Ball layer contains the basketball graphic, which is a movie clip instance appropriately named basketball_mc We'll be looking at this instance's timeline in a ... that bouncing ball Open basketball1.fla in the Lesson17/Assets folder This file contains six layers—Background, Ball, Ball Score, Score Fields, Watermark, and Actions: o o The Background layer ... contains three layers: Shadow, Graphic, and Sound The Shadow and Graphic layers contain a couple of tweens to emulate the look and movement of a bouncing basketball The Sound layer simply contains...
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Tài liệu Creating a UniqueConstraint Object ppt
... DataSet myDataSet = new DataSet(); mySqlConnection.Open(); mySqlDataAdapter.Fill(myDataSet); mySqlConnection.Close(); myDataSet.Tables["Table"].TableName = "Customers"; myDataSet.Tables["Table1"].TableName ... successfully add a UniqueConstraint to the DataColumn of a DataTable, the DataColumn value in each DataRow object in the DataTable must be unique The final example retrieves the constraint just added ... myDataSet.Tables["Table1"].TableName = "Orders"; DataTable customersDT = myDataSet.Tables["Customers"]; DataTable ordersDT = myDataSet.Tables["Orders"]; The following example creates a UniqueConstraint object on...
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Creating a glass object with max and vray
... cheked and on V-ray shadows parameters check Transparent shadows and area shadow Use a plane for the scene and assign a white color to this It looks fine, but not really :) The glass need something ... Image Sampler(Antialising), turn of the Adaptive subdivision For the glass materials use this settings: and for the liquid this For the lighting I have used an Omni light, V-ray shadows cheked and ... reflect To this use a HDRI map You can find some HDRI images at this address http://athens.ict.usc.edu/Probes/ and assign this to V-ray Environment and the result And with caustics the scene will...
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Creating a reusable learning objects strategy leveraging information and learning
... Applying Metadata What Are Metadata? How Are They Used? What Are the Standards? How Do You Use the Standards? Where Are Metadata Used? What Tools Will Be Needed to Use Metadata? What Will the Impact ... Implementation Case Study Chapter Review RLOs in Action: Setting Up Metadata Applying Metadata Worksheet Creating Your Transition Plan Have You Defined Your Hierarchy and Granularity? Do You Have Management ... to adopt an entirely new way of working— an evolution from an artisanal approach characterized by great flexibility to a more standardized, assembly-line approach Although you may have a gut reaction...
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Báo cáo y học: "Creating a honey bee consensus gene set" docx
... a manually curated protein and predicted translation was counted as an alignment with 100% alignment coverage, at least 99% identity, and no gaps A manually annotated gene was counted as present ... translated into GFF2 format, and loaded into a Bio::DB::GFF-compatible MySQL relational database [9], using the bp_load_gff.pl program available within BioPerl [10] The GLEAN program checkphase.pl ... prediction set and GLEAN consensus set using FASTA [13] The evidence used to generate these manually annotations had not been deposited to any public database and was not used in the generation of any...
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Design and Implement a SQL Server Database
... Visual Basic 6.0 Authors AuthID First Name Last Name A1 John Brown A2 Matthew Bortniker A3 Rick Johnson A4 Peter Wright A5 James Moon AuthorBook BookID AuthID A1 A2 A3 A4 A5 A1 Ngoài điều quan ... "database" chọn "New Database" hình vẽ sau: Sau việc đánh tên database click OK Ngoài dùng SQL script để tạo database Khi ta phải rõ vị trí primary data file transaction log file Ví dụ: USE master ... thông tin database object (table, view ) hay data type Sp_helpdb ['database'] Cung cấp thông tin database cụ thể Sp_monitor Cho biết độ bận rộn SQL Server Sp_spaceused [ 'object' , 'updateusage' Cung...
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Creating a dataview using visual studio NET
... 14 // 15 InitializeComponent(); 16 17 // call the Fill() method of sqlDataAdapter1 18 // to populate dataSet11 with a DataTable named 19 // Customers 20 sqlDataAdapter1.Fill(dataSet11, "Customers"); ... data stored in dataView1 to dataGrid1 and allows dataGrid1 to access any data stored in dataView1 Figure 13.2: Setting the Properties of dataGrid1 Select View ➣ Code and set the Form1() ... "Customers"); 21 } Compile and run your form by pressing Ctrl+F5 Figure 13.3 shows the running form Notice that the information in the form comes from the DataView you created Figure 13.3: The running...
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Creating a Writing Course Utilizing Class and Student Blogs.doc
... possible for a teacher to create as many “class blogs” as deemed necessary to organize class materials For example, it must be possible for a teacher to create a blog for class notes and another for ... server space If one has HTML experience and server space, a few more options for creating the class are available that fall beyond the scope of this paper Features of the Blog-Based Class Before ... individual student blogs In order to save time when giving feedback, save a copy of the messages at an additional teacher-only blog If a class is taught for several years with different students, teachers...
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Creating a GUI
... handles and user data (see GUIDATA) varargin command line arguments to untitled (see VARARGIN) Add this code Autogenerated code % Create the data to plot handles.peaks=peaks(35); handles.membrane=membrane; ... component’s object handle is passed as the input argument, hObject, to each of its callbacks that is generated by GUIDE 2-19 Creating a GUI Note To save any changes that you make to the handles structure, ... command guidata(hObject,handles) It is not sufficient to just set the value of a handles field To retrieve X in another callback, use the command X = handles.my_data; You can access the data in...
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