PDO_SQLSRV DSN
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PDO_SQLSRV DSN — Connecting to MS SQL Server and SQL Azure databases
Description
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 orFALSE
). - Database
-
The name of the database.
- Encrypt
-
Specifies whether the communication with SQL Server is encrypted (1 or
TRUE
) or unencrypted (0 orFALSE
). - 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 orFALSE
). - 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 orFALSE
) 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 orFALSE
) a self-signed server certificate. - WSID
-
Specifies the name of the computer for tracing.
Examples
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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Document created the 30/01/2003, last modified the 26/10/2018
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References
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