LVIII. Microsoft SQL Server functions

Úvod

These functions allow you to access MS SQL Server database.

Poznámka: The MSSQL extension is available on Win32 systems only. You can use the Sybase extension to connect to MSSQL databases from other platforms.

Požadavky

The extension requires the MS SQL Client Tools to be installed on the system where PHP is installed. The Client Tools can be installed from the MS SQL Server CD or by copying ntwdblib.dll from \winnt\system32 on the server to \winnt\system32 on the PHP box. Copying ntwdblib.dll will only provide access. Configuration of the client will require installation of all the tools.

Instalace

The MSSQL extension is enabled by adding extension=php_mssql.dll to php.ini.

Konfigurace běhu

Chování těchto funkcí je ovlivněno nastavením parametrů v php.ini.

Tabulka 1. MS SQL Server configuration options

Name	Default	Changeable
mssql.allow_persistent	"1"	PHP_INI_SYSTEM
mssql.max_persistent	"-1"	PHP_INI_SYSTEM
mssql.max_links	"-1"	PHP_INI_SYSTEM
mssql.min_error_severity	"10"	PHP_INI_ALL
mssql.min_message_severity	"10"	PHP_INI_ALL
mssql.compatability_mode	"0"	PHP_INI_ALL
mssql.connect_timeout	"5"	PHP_INI_ALL
mssql.timeout	"60"	PHP_INI_ALL
mssql.textsize	"-1"	PHP_INI_ALL
mssql.textlimit	"-1"	PHP_INI_ALL
mssql.batchsize	"0"	PHP_INI_ALL
mssql.datetimeconvert	"1"	PHP_INI_ALL
mssql.secure_connection	"0"	PHP_INI_SYSTEM
mssql.max_procs	"25"	PHP_INI_ALL

For further details and definition of the PHP_INI_* constants see ini_set().

Typy prostředků

Předdefinované konstanty

Tyto konstanty jsou definovány tímto rozšířením a budou k dispozici pouze tehdy, bylo-li rozšíření zkompilováno společně s PHP nebo dynamicky zavedeno za běhu.

MSSQL_ASSOC (integer)
MSSQL_NUM (integer)
MSSQL_BOTH (integer)
SQLTEXT (integer)
SQLVARCHAR (integer)
SQLCHAR (integer)
SQLINT1 (integer)
SQLINT2 (integer)
SQLINT4 (integer)
SQLBIT (integer)
SQLFLT8 (integer)

Obsah
mssql_bind -- Adds a parameter to a stored procedure or a remote stored procedure
mssql_close -- Close MS SQL Server connection
mssql_connect -- Open MS SQL server connection
mssql_data_seek -- Move internal row pointer
mssql_execute -- Executes a stored procedure on a MS SQL server database
mssql_fetch_array -- Fetch row as array
mssql_fetch_assoc -- Returns an associative array of the current row in the result set specified by result_id
mssql_fetch_batch -- Returns the next batch of records
mssql_fetch_field -- Get field information
mssql_fetch_object -- Fetch row as object
mssql_fetch_row -- Get row as enumerated array
mssql_field_length -- Get the length of a field
mssql_field_name -- Get the name of a field
mssql_field_seek -- Set field offset
mssql_field_type -- Get the type of a field
mssql_free_result -- Free result memory
mssql_get_last_message -- Returns the last message from server (over min_message_severity?)
mssql_guid_string -- Converts a 16 byte binary GUID to a string
mssql_init -- Initializes a stored procedure or a remote stored procedure
mssql_min_error_severity -- Sets the lower error severity
mssql_min_message_severity -- Sets the lower message severity
mssql_next_result -- Move the internal result pointer to the next result
mssql_num_fields -- Get number of fields in result
mssql_num_rows -- Get number of rows in result
mssql_pconnect -- Open persistent MS SQL connection
mssql_query -- Send MS SQL query
mssql_result -- Get result data
mssql_rows_affected -- Returns the number of records affected by the query
mssql_select_db -- Select MS SQL database

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