14.1.1. Standarizing SQL Like the English language, with all its dialects, many flavors of SQL evolved. Today’s SQL is based on IBM’s original implementation, with a considerable number of additions. Standards are created to help specify what should be supported in a language. In 1986,[r]
RemoteApp allows applications that reside on Remote Desktop Services servers to have their display output shown in Remote Desktop clients . This differs from a standard Remote Desktop Connection window where the user sees the entire remote desktop in a window .[r]
--skip-networking If this option is specified, MySQL does not allow TCP/IP connections to the server across the network. Connections can only use UNIX sockets, which means that the local host is usually the only machine that can connect. This option will increase securi[r]
" Creating a Connection Object using Visual Studio .NET " section. Next, you'll see how to open and close a connection. Opening and Closing a Database Connection Once you've created your Connection object and set its ConnectionString property to the[r]
If you cannot get MySQL running on your server, use the new SQLite extensions built into PHP 5. Appendix B (on this book’s CD) describes how to use SQLite, which is another database program installed as the default. The two packages have some differences, but the m[r]
■ Windows Server 2003/2008 Failover Clustering A SQL Server 2008 failover clustering instance appears on the network as a stand-alone SQL Server 2008 instance, but it has functionality that provides failover from one node to another if the current node becomes unavailab[r]
Figure 7.8 The client/server relationship between a Web browser and Web server requires communication. The Web database applications we will build in this book follow a general Web database structure that is shown in Figure 7.9. Most of this structure should already be[r]
Before building the connection strings, make sure that you configured and tested tnsnames.ora properly and can connect to the Oracle database. If you can already connect to the Oracle database server, you need not modify further. But you should[r]
Tức là giá trị field MS chỉ xuất ra 1 lần không lặp lại như kết quả trên. Bài viết sẽ trình diễn (demo) chi tiết về lập trình Java giải quyết yêu cầu trên bằng một chương trình java đơn giản dùng môi trường NetBeans (phân phối free bởi hãng SUN). Nếu lập trình truy xuất database bằng ng[r]
How to create a Microsoft SQL Server database for the OPN System ™ XT Server? Appendix – Instructions for MySQL and Oracle databases The procedures to create a MySQL and Oracle databases are similar to the steps for creating a M[r]
The default configuration for Fast-Start Failover is disabled. When it is enabled, it can use triggering events to implement the failover to the standby server. Events include connection loss, instance crash, a shutdown abort on the primary, and different database health[r]
If you selected one job, in the File name field you can edit the default name of the file that will contain the generated code for the selected job. The name must be unique in the context of the directory name that is specified above. 9 When you are ready to deploy the job or jobs, click OK[r]
In this case, it should be clear to you that the error is a misspelling. However, there may be some errors that are not so clear. There may be occasions where you and Eclipse disagree on whether there is an error. Some code may appear fine to you, while Eclipse marks it as a problem.[r]
TRANG 1 SERVER-SIDE WEB PROGRAMMING LECTURE 13: TRANG 2 JDBC DEFINITION • JAVA DATABASE CONNECTIVITY JDBC: SET OF CLASSES THAT PROVIDE METHODS TO – CONNECT to a database through a databa[r]
PDO (PHP Data Object) PDO là l l ớ ớ p p tr tr ừ ừ u t u t ượ ượ ng ng database database cho ứ ng d ụ ng PHP. Cung c ấ p các API cho ứ ng d ụ ng PHP mà không quan tâm đế n ki ể u database server k ế t n ố i
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Indexes also require disk space as well as some amount of care from your administra- tors, so the best strategy is to add an index when a clear need arises. If you need an index for only special purposes, such as a monthly maintenance routine, you can always add the index, run the routine, an[r]
If you don't want to download or purchase a trial version of SQL Server, the .NET SDK and VS .NET comes with a stand-alone desktop database server known as the Microsoft SQL Server 2000 [r]