... 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) ... Thiết Kế Một Database Tạo Một User Database Chúng ta có thể tạo một database dễ dàng dùng SQLServer Enterprise bằng cách right-click lên trên " ;database& quot; và chọn " ;New Database& quot; ... 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...
... command. SqlCommand cmd = new SqlCommand(sqlText, conn, tran); // Create the DataAdapter and CommandBuilder. SqlDataAdapter da = new SqlDataAdapter(cmd); SqlCommandBuilder cb = new SqlCommandBuilder(da); ... 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. ... 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. ... System.Data.SqlClient namespace, you can create a new SqlConnection object using the following statement: SqlConnection mySqlConnection = new SqlConnection(); You can then set the details for the database ... is as follows: mySqlConnection.ConnectionString = server= localhost ;database= Northwind;uid=sa; mySqlConnection.ConnectionTimeout = 15 mySqlConnection .Database = Northwind mySqlConnection.DataSource...
... 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 ... mySqlConnection.Close() mySqlConnection State has changed from Open to Closed The InfoMessage Event The InfoMessage event fires when the database returns a warning or information message produced by the database. ...
... 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 ... be used 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...
... 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. ... (left blank / database is created via the opn_mysql .sql script) How to create a Microsoft SQLServerdatabase for the OPN System™ XT Server? 2 2. Open the opn_mssql .sql file in a...
... Dim oSQLSvr As New SQLDMO.SQLServer() Dim strAttachMsg As String Try oSQLSvr.LoginSecure = True oSQLSvr.Connect(Me.lstSQLServers.SelectedItem) ' Attach the database ... btnDetach.Click Dim oSQLSvr As New SQLDMO.SQLServer() Dim strDetachMsg As String Try ' Connect to the server oSQLSvr.LoginSecure = True oSQLSvr.Connect(Me.lstSQLServers.SelectedItem) ... ' Perform the detach strDetachMsg = oSQLSvr.DetachDB(Me.lstDatabases.SelectedItem) ' Refresh the databases GetSQLDatabases(Me.lstSQLServers.SelectedItem, Me.lstDatabases) ...
... Nielsen, SQL Server MVPCompanion eBook AvailableTHE APRESS ROADMAPAccelerated SQL Server 2008Beginning SQL Server 2008 for DevelopersBeginning SQL QueriesBeginning Database DesignPro SQLServer ... OptimizationPro SQLServer 2000 Database DesignUS $59.99Shelve in Databases /SQL Server User level: Intermediate–AdvancedDavidsonPro SQLServer 2008Relational Database Design and ImplementationThe ... 2008Relational Database Design and ImplementationThe eXperT’s Voice® in sQl serVer Pro SQL Server 2008Relational Database Design and Implementation cyan MaGenTa yelloW Black panTone...
... booksincluding SQL in a Nutshell (O’Reilly, 2004), Pro SQLServer 2005 Database Design and Optimization(Apress, 2006), and Database Benchmarking:Practical Methods for Oracle & SQL Server (Rampant, ... theProfessional Association for SQL Server, has written for several SQL Server magazines, and has presented at conferences internationally on the topic of database programming with SQL Server. xvii8662FM.qxp ... Database Interoperability: Finally, in this chapter written by Kevin Kline, the chal-lenges of building databases that have to run on not only SQLServer but also other database server platforms...
... tableIn SQLServer and most databases—it is common to consider the catalog as a collectivedescription of the tables and other structures in the database. SQLServer exposes the headinginformation ... only a few references to SQL Server. Generally speaking, the logical model of anyrelational database will be the same, be it for SQL Server, Oracle, Informix, DB2, MySQL, or any-thing else based, ... database with commonthemes or even common owners. All objects on the databaseserver can be addressed by knowingthe database they reside in and the schema (note that you can set up linked servers...
... unique indexes with keys. There may be valid performance-based reasonsto implement the Publisher_City, ISBN_Numberindex in your SQLServer database. However, this would notbe identified as ... driver’s licensenumber of a person. In the example database, this is a number that every person has (or may needbefore inclusion in our database, perhaps). However, the value of the driver’s ... allow you to uniquely identify every row in your database. One thing of interest here is that what might be considered a natural key in your database isoften not actually a natural key in the...