Php/docs/ref.pdo-sqlsrv.connection

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

PDO_SQLSRV DSN

(PECL pdo_sqlsrv >= 2.0.1)

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");