... a SQLServer Database Tác giả: Vovisoft.comCấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000 là Multiple-Instance nên khi nói đến một (SQL) ... (SQL) Server nào đó là ta nói đến một Instance của SQLServer 2000, thông thường đó là Default Instance. Một Instance của SQLServer 2000 có 4 system databases và một hay nhiều user database. ... động lại SQL Server hay khi ta disconnect. • Model : Database này đóng vai trò như một bảng kẻm (template) cho các database khác. Nghĩa là khi một user database được tạo ra thì SQLServer sẽ...
... Implement a SQLServerDatabase 3.1. Cấu Trúc Của SQL Server Như đã trình bày ở các bài trước một trong những đặc điểm của SQLServer 2000 làMultiple-Instance nên khi nói đến một (SQL) Server nào ... đến một Instance của SQL Server 2000, thông thường đó là Default Instance. Một Instance của SQLServer 2000có 4 system databases và một hay nhiều user database. Các system databases bao gồm:• ... Msdb : Database này được SQLServer Agent sử dụng để hoạch định các báo động và các công việc cần làm (schedule alerts and jobs). 3.2. Cấu Trúc Vật Lý Của Một SQLServer Database Mỗi một database...
... 6.14 Specifying Locking Hints in a SQLServerDatabase Problem You need to pessimistically lock rows in an underlying SQLServer database. Solution Use SQLServer locking hints from ADO.NET. ... command. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); // Create the DataAdapter and CommandBuilder. SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da); ... internally by the lock manager. • The SQLServer Profiler can be used to monitor and record locking information. • The Windows Performance Monitor has a SQLServer Locks Object counter that can...
... string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object to Connect to a SQLServerDatabase You create a SqlConnection object using the SqlConnection() constructor. ... is as follows: mySqlConnection.ConnectionString = server= localhost ;database= Northwind;uid=sa; mySqlConnection.ConnectionTimeout = 15 mySqlConnection .Database = Northwind mySqlConnection.DataSource ... Console.WriteLine("mySqlConnection.ServerVersion = "+ mySqlConnection.ServerVersion); Console.WriteLine("mySqlConnection.State = "+ mySqlConnection.State); Console.WriteLine("mySqlConnection.WorkstationId...
... StateChange event of the mySqlConnection object: // open mySqlConnection mySqlConnection.Open(); // create a SqlCommand object SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); ... static void Main() { // create a SqlConnection object SqlConnection mySqlConnection = new SqlConnection(" ;server= localhost ;database= Northwind;uid=sa;pwd=sa"); // monitor the ... Console.WriteLine("Calling mySqlConnection.Open()"); mySqlConnection.Open(); // close mySqlConnection, causing the State to change from Open // to Closed Console.WriteLine("Calling mySqlConnection.Close()");...
... command. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); // Create the DataAdapter and CommandBuilder. SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da); ... internally by the lock manager. • The SQLServer Profiler can be used to monitor and record locking information. • The Windows Performance Monitor has a SQLServer Locks Object counter that can ... to monitor lock activity. For more information about database locks, using locking hints, or monitoring database locks, see Microsoft SQLServer Books Online. [ Team LiB ] SERIALIZABLE Use...
... to the right database. 2. Run to create the database and the tables needed for the OPN System™ XT Server. Database sql file Microsoft SQLServer opn_mssql .sql My SQL opn_mysql .sql Oracle ... Microsoft SQLServerdatabase for the OPN System™ XT Server? 3 Step 3: Run the opn_mssql .sql on Microsoft SQLServer 1. Start Aqua Data Studio, and connect to the Microsoft SQL Server. ... create a Microsoft SQLServerdatabase for OPN System™ XT Server? Introduction The OPN System supports McKoi, Microsoft SQL Server, MySQL and Oracle databases. You select the database during...
... for the SQL Server .NET dat a provider classes for int eract ing wit h SQLServer instances are SqlConnect ion, SqlCom m and, SqlDat aReader, and SqlDataAdapt er. You can use t he SqlDataReader ... possible data sources. The SQLServer .NET data provider is opt im ized for SQL Ser ver 7.0 and SQL Server 2000. This dat a provider connect s direct ly t o a SQLServer instance. The OLE DB ... ant ially on program m ing SQLServer 2000 wit h T- SQL. Chapt er 2 and Chapt er 3 int roduce T- SQL and SQL Serv er dat a t ypes. I f you are going t o program SQL Ser ver and create efficient...
... inst ruct ion to Query Analyzer. This keyword is not a part of T- SQL. You set t he database cont ext different ly for ot her SQLServer client s. There is anot her, less com m on, appr oach t ... operat ion of SQLServer for t he durat ion of it s argum ent . Therefore, t he insert ion for t able t2 can occur m ore t han 1 second aft er the insert ion for t able t 1 because SQLServer requires ... alled on a SQL Ser ver inst ance t o which you can connect . I nt roduct ion to Da ta Access w it h T- SQL Creat ing efficient , speedy, and flex ible dat a access solut ions for SQL Server...
... Chapter04 database from the Orders table in the Northwind database on the Cab2000 server. CREATE VIEW vew1998OrdersOnCab2000 AS SELECT * FROM OPENROWSET(‘MSDASQL’, ’DRIVER= {SQL Server} ;SERVER= cab2000;UID=sa;PWD=password’, ... from SQL Server views. You can use an OPENROWSET funct ion t o connect wit h an Access dat abase m uch like you use t he funct ion t o connect w it h a SQLServer dat abase on anot her SQL Server ... dat a from SQL Server. That ’s because t he funct ion perm it s a SQLServer solut ion t o view Access dat a wit hout t he need of transport ing t he dat a from Access t o SQL Server. Therefore,...
... aint ained on a server. Som e roles are fix ed— t hat is, specified by SQL Server. Two collect ions of fixed r oles are the fix ed server roles and fixed dat abase roles. SQLServer also perm ... all t he dat abase server on a com put er running Windows 98 or Windows Millennium Edit ion, SQLServer aut om at ically runs wit h Mix ed Mode aut hent icat ion. I f your SQLServer inst ance ... her users and changing their passwords. SQLServer 2000 offers eight fixed server roles. ( See Table 7-1.) The Bulk I nsert role is new w it h SQLServer 2000. An indiv idual login can belong...
... program m ing SQLServer 2000 w it h Visual Basic .NET. Up t o t his point , t he book’s focus was pr im arily on SQL Server. I believ e t hat you cannot opt im ally program SQLServer in any ... architect ure. Syst em .Dat a. SqlClient Represent s elem ent s in the SQLServer .NET dat a provider. Syst em .Dat a. SqlTypes Represent s elem ents for SQLServer nat iv e dat a t ypes. Syst ... providers for SQL Ser ver and OLE DB dat a sources. The SQLServer provider offers subst ant ial perform ance advantages because of it s opt im izat ion for SQL Ser ver 7 and SQL Serv er 2000....
... providers is exclusively for SQLServer in part icular, SQLServer 7 and SQL Ser ver 2000. You can take advant age of t he SQLServer pr ovider through t he Syst em .Data.SqlClient nam espace. You ... ion obj ect s wit h t he SQLServer dat a provider as a SqlConnection obj ect . You can use t his obj ect t o connect t o a server wit h eit her Window s NT or SQLServer aut henticat ion. ... a from a rem ot e database server. When y ou’re building SQLServer solut ions, your applicat ions will nearly always st art wit h t he m aking of a connect ion t o a SQLServer inst ance....
... local Web server on your com put er. Notice that the browser doesn’t dir ect ly int er face wit h the database server. I nst ead, the Web server com m unicat es w it h the databaseserver and ... server stands bet ween t he browser and the database server. This process enables t he brow ser to v iew data on t he dat abase server and synchronize it s updat es wit h t hose of ot her database ... das1 As DataSet Sub Populate() ’Connect to Northwind database on local server. Dim cnn1 As SqlClient.SqlConnection = _ New SqlConnection(“Data Source=(local);” & _ “Integrated...
... process on a Web server as in ASP. I n addit ion, you can st or e Session variables out of process on a st and- alone rem ot e Windows server, such as Windows 2000 Server, or on a SQLServer inst ... ends acr oss m ult iple Web servers running an applicat ion or ev en r est arts of a Web server. See t he “SessionStat eMode Enum erat ion” topic in t he VisualStudio .NET docum entat ion for ... t o a single Web server or a farm of Web servers. For sim plicit y, I discuss the case of t he single Web server, but t he sam e general principles apply t o a farm of Web servers. Th e asynch...