tayahut.blogg.se

Universal database dsn format
Universal database dsn format














Use DD, MM, and YY or YYYY to specify the date format.

universal database dsn format

The Data Link object's PromptNew method displays a dialog box that lets your application prompt for OLE DB connection properties, then dynamically build the string. DATEFORMAT, Specifies the date format that the data source uses. Data Link Dialog Box Connection Dim cn as New ADODB.Connection The FILE NAME= keyword precedes the absolute path and name of the Universal Data Link (UDL) file that stores SQL Server connection information.ġ. the DSN, the DSN-less connection and the Universal Data Link (UDL). In 1997, Informix acquired one of the original developers of a universal database, Illustra. UDL File Connection FILE NAME=c:\MyAppPath\MyUDL.udl I discussed the basics of DSN’s and the different types that you can use. For more than 20 years, a few disruptive tech vendors have touted universal databases as a way to simplify data management using a single platform for both transactions and analytics. Valid network library values are dbnmpntw, dbmssocn, dbmsspxn, dbmsvinn, and dbmsrpcn.Ģ. Most clients, who access data in the data warehouse, do so through the Business Objects. When you use the NETWORK LIBRARY keyword, your application can dynamically choose the network library to use. The University Data Warehouse EDW is comprised of Oracle databases. & "TRUSTED_CONNECTION=YES NETWORK LIBRARY=dbmsrpcn This overview will touch on only the more important aspects. Most of the features found in the format were developed in response to needs identified in Space Physics Data Sets, hence the general excellent match to those types of data formats. OLE DB Provider Connection PROVIDER=SQLOLEDB SERVER= The Universal Data Format (UDF) is a generic data format optimized for use with time ordered data sets.

Universal database dsn format windows#

The TRUSTED_CONNECTION keyword specifies Windows authentication, the most secure way to connect to SQL Server.ģ. Here, the DATABASE keyword sets Pubs as the default database. Windows-Authentication Connection PROVIDER=SQLOLEDB SERVER= If you omit this keyword, the provider defaults to MSDASQL (the OLE DB provider for ODBC).Ĥ. The PROVIDER keyword tells ADO to use the SQLOLEDB provider. Mixed-Security Connection PROVIDER=SQLOLEDB SERVER= DSN-less Connection DRIVER=\ value tells the connection to use the Microsoft SQL Server ODBC driver.ĥ. The UID and PWD keywords pass in authentication information.Ħ.

universal database dsn format

This Data Source Name (DSN) connection string uses the DSN keyword to identify the existing DSN, MyDSN. DSN Connection DSN=MyDSN UID=MyID PWD=MyPwd These connection-string examples illustrate the seven most common connection scenarios.ħ. (See also, " Mastering ADO" and " Using a. The connection string is essential for connecting your ADO database applications to SQL Server.














Universal database dsn format