what dsn number

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]

Pdo is a newly added database abstraction layer in php5. to solve the problem of accessing the unified interfaces of different databases. Similar to PEAR: DB Class and ADODB class operations, but it is directly encapsulated in php extension and can

Is the connection database still connected to the database using an ODBC system or file DSN? Replace it with an OLE DB provider, which is faster and does not require the use of DSN According to the Library connection technology. With OLE DB

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

This COM is used to call the API function and create a DSN. The input parameters are valid IP addresses or network hosts.# Define odbc_add_dsn 1# Define odbc_config_dsn 2# Define odbc_remove_dsn 3Define class createdsn as session

First, prefaceWe may encounter this need at work: Query the information in the database and export the results to an Excel file. This would have been nothing, but when the amount of data is large, using Plsql, Toad Export Excel will be out of memory,

(Note: This article is still in the test ...) I. Problems 64-bit win7+32-bit Excel, with MySQL 64-bit driver installed, Create a new MySQL data source: Control Panel--management tools-data source (ODBC)--pop-up "Data Source Manager" dialog box--add--

This article is part of the "Building a client/server application with Visual FoxPro and SQL Server" series, as the usual "remote view" should not be the opening chapter, but we found that there are too many theoretical things in the articles we

Getting started with a database requires first configuring the database Connectivity component by adding a DB component to the application configuration implementation (the "underlying" Web application is config/web.php), and the DSN (data source

1. Relationship between ODBC, oledb, ADO, and ADOX:ODBC: a standard for Database CommunicationOledb: Ms intends to use it to replace ODBC in an object-oriented manner.Oledb is divided into two types: Direct oledb and ODBC-oriented oledb. The latter