ODBC (Open Database Connectivity)
DSN (data source name)
The ODBC Data Source manager provides three DSN types: User DSN, system DSN, and file DSN.
1. the user DSN will save the corresponding configuration information in the Wi
ODBC (Open Database Connectivity, ODBC) means open database InterconnectionDSN (data source name) is the data source name
ODBC contains user DSN, system DSN, and file DSN.Three data sources.
The meaning of user DSN is to save the corresponding configuration to the Windows registry. It is only for the user who creates the DS
The following is a brief introduction to several ADO connection methods: ODBC dsn,odbc dsn-less, OLE DB Provider, and "MS Remote" Provider.I.dsnoConn.Open "Dsn=advworks;Uid=admin; pwd=; "Note: It is not possible to use this method from the beginning of MDAC2.1, except that the DSN file name is placed in ConnectString.
IfRecset.closeConnect.closeSet recset = NothingSet Connect = Nothing%>3. Infilemenu, clickSave As。4. InSave Asdialog box, browse to the "saved in/b" listC:/inetpub/wwwroot, in the Save as type [/b] list, selectAll Files, type database.asp in the file name [/b] box, and then clickSave。5. Quit "Notepad".3rd Step: Test ASP page1. ClickStart, and then clickRun。2. InOpenbox, type http://localhost/database.asp, and then clickDetermine。 A Web page appears in the browser window that displays a list of
database resides on a remote server, contact your server administrator to obtain additional configuration information; The following procedure uses the ODBC default settings for SQL Server, which may not apply to your hardware configuration. In the Create New Data Source dialog box, select SQL Server from the list box, and then click Next. Type a name for the DSN file, and then click Next. Click Finish to
description requires the configuration file DSN, I completely follow the steps of the information to do, do not take a more conscious look down.
Figure 6 Log in as reference to "Windows NT authentication using the network login ID" and the instructions require "use SQL Server authentication with user input IDs and passwords."
The result is not available at all after the configuration is finished. This is also fully exposed to do things when the lack
10.9 automatically register DSN and Create Table
When writing your own database applications, readers will soon encounter two headaches. First, you must manually register the DSN (Data Source Name) in the ODBC manager before accessing the ODBC data source ). This kind of application requires the user to do additional work, which is not very professional. Another problem is that Appwizard and classwizard do
(DSN) Data Source NameThe ODBC Data Source Administrator provides three types of DSNs, User DSN, System DSN, and File DSN, respectively.whichThe user DSN saves the appropriate configuration information in the Windows registry, but only the logged-on user who created the
When the configuration file DSN is configured today, some efforts have been made to find a solution after running the program "common error: invalid file DSN.
For common configurations, you often click ODBC in the control panel to configure the settings, regardless of whether the configuration can be used in the system. If the 64-bit system uses odbc32, click Ad
You can obtain the DSN list in C #, or pop up the ODBC data source Manager to set it.
1. C # obtain the DSN list on the machine.
Use registrykey and Registry provided by Microsoft. Win32 to access the system registry to obtain the list of ODBC data services.
Obtain the system DSN as follows:
/// Create two registrykey classes. One Class points to the root path an
Label:PDO ConstructorIn PDO, to establish a connection to a database requires a constructor that instantiates the PDO, the PDO constructor has the following syntax: __construct (String $dsn [, String $username [, String $password [, array $ Driver_options]]) parameter description DSN: Data source name, including host name, port number, and database name. Username: Connection Database user name password: Con
I wrote a method for setting pdo DSN. Could you please check it out?Both ORACLE and SQLITE only have database hosts and even database names. I don't know how to set them.Let's see it. private function setDSN (){Switch (strtoupper ($ this-> datatype )){Case 'mysql ':$ _ DSN = 'mysql: host = '. $ this-> hostname. '; dbname = '. $ this-> database. '; port = '. $ this-> hostport;Break;Case 'mssql ':Case 'db2 ':
Label:Today, SQL Server R2 installed, 64-bit, and then can't wait to experience the operation of the connection database, programming language is java. I began to learn a very old connection, using the Jdbc-odbc bridge. The first use is not very skilled, so the detailed steps are written down here. The first is to configure the ODBC data source, open the Control Panel, small icon way to view, I see there is a This icon is like a 32-bit ODBC flag, I clicked start it, but started the 64-bit ODBC
Access | data | Database A DSN connection requires the server's system administrator to set up a DSN with the ODBC tool in Control Panel on the server, or use a Third-party server component to have your ASP script create DSN by modifying the registry when needed.
A DSN connection usually requires parameters such as:
Unixodbc
UnixODBC-2.3.1.tar.gz
MySQL: MySQL 5.0 Reference Manual: Connector 1.4.5 locking ing a connector/odbc dsn on UNIX
Listen 1.4.5. Bridging ing a connector/odbc dsn on UNIX
OnUNIX, You configure DSN entries directly inODBC. iniFile. Here is a typicalODBC. iniFile that configuresMydbc3As the DSN
Label:This paper presents a method of directly connecting a server-side DSN without having to define a DSN file on the client.Of course, this is not a mainstream approach, just to open up ideas, more useful scenes can be used in the Ttisql utility, used to test automatic client failover.This scenario can be found in the previous article: TimesTen Database replication learning: 16. A cache group, replication
Generally, you need to set the relevant permissions because of permission issues. If the permission settings still fail, you can continue searching.
1. You cannot open the Registry keyword 'temporary (volatile) jet DSN for process 0 xddc Thread 0x818 0x0x10ce7a4 jet'
Solution
A. Start register the table editor (regedt32.exe ).
B. Select the following item in the Registry: HKEY_LOCAL_MACHINE/software/O
System: win2003Step 1: configure the ODBC Data Source
Create a DSN In the ODBC data source. The specific method is:
1. Open the ODBD data source in the control panel;
2. Select "system DSN" and add a new DSN driver;
3. select mysql odbc 3.51 driver. A dialog box is displayed for you to enter MySQL:(1) Windows DSN name:
Questions about DSN
The recent use of DSN in the CodeIgniter database connection, but no matter what the port number changes to always be able to connect successfully, and modify the user name, password or IP address, there will be a connection failure problem, the following is my Code
PHP Code
function Get_remote_dblist ($ip, $port, $user, $pwd) { $
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.