PHP Manual
MS SQL Server (PDO)
Connecting to MS SQL Server and SQL Azure databases

PDO_SQLSRV DSN

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PDO_SQLSRV DSN — Connecting to MS SQL Server and SQL Azure databases

说明

The PDO_SQLSRV Data Source Name (DSN) is composed of the following elements:

DSN prefix: The DSN prefix is sqlsrv:.
APP: The application name used in tracing.
ConnectionPooling: Specifies whether the connection is assigned from a connection pool (1 or TRUE) or not (0 or FALSE).
Database: The name of the database.
Encrypt: Specifies whether the communication with SQL Server is encrypted (1 or TRUE) or unencrypted (0 or FALSE).
Failover_Partner: Specifies the server and instance of the database's mirror (if enabled and configured) to use when the primary server is unavailable.
LoginTimeout: Specifies the number of seconds to wait before failing the connection attempt.
MultipleActiveResultSets: Disables or explicitly enables support for multiple active Result sets (MARS).
QuotedId: Specifies whether to use SQL-92 rules for quoted identifiers (1 or TRUE) or to use legacy Transact-SQL rules (0 or FALSE).
Server: The name of the database server.
TraceFile: Specifies the path for the file used for trace data.
TraceOn: Specifies whether ODBC tracing is enabled (1 or TRUE) or disabled (0 or FALSE) for the connection being established.
TransactionIsolation: Specifies the transaction isolation level. The accepted values for this option are PDO::SQLSRV_TXN_READ_UNCOMMITTED, PDO::SQLSRV_TXN_READ_COMMITTED, PDO::SQLSRV_TXN_REPEATABLE_READ, PDO::SQLSRV_TXN_SNAPSHOT, and PDO::SQLSRV_TXN_SERIALIZABLE.
TrustServerCertificate: Specifies whether the client should trust (1 or TRUE) or reject (0 or FALSE) a self-signed server certificate.
WSID: Specifies the name of the computer for tracing.

范例

Example #1 PDO_SQLSRV DSN examples

The following example shows how to connecto to a specified MS SQL Server database:

$c = new PDO("sqlsrv:Server=localhost;Database=testdb", "UserName", "Password");

The following example shows how to connect to a MS SQL Server database on a specified port:

$c = new PDO("sqlsrv:Server=localhost,1521;Database=testdb", "UserName", "Password");

The following example shows how to connecto to a SQL Azure database with server ID 12345abcde. Note that when you connect to SQL Azure with PDO, your username will be UserName@12345abcde (UserName@ServerId).

$c = new PDO("sqlsrv:Server=12345abcde.database.windows.net;Database=testdb", "UserName@12345abcde", "Password");

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