The procedure xp_fixeddrives is one of the most useful procedures. It presents a list of all drive letters and the amount of free space each drive has. The parameter has a single optional input parameter that can filter the results by drive type. A value of 3 will return all mass storage...
SQL Server 的支援原則 支援的平臺 系統需求 設定來源存放庫 顯示其他 12 個 適用於:SQL Server- Linux 本文提供在Linux上安裝、更新和卸載 SQL Server 2017 (14.x)、SQL Server 2019 (15.x)、SQL Server 2022 (16.x) 和 SQL Server 2025 (17.x) 預覽版的指引。
(default is the same as omitting the parameter):Note On Linux and macOS, [s|m|o] were added in sqlcmd 18.0. -N can be o (for optional), m (for mandatory, the default), or s (for strict). In SQL Server 2025 (17.x) Preview, if you don't include -N, -Nm (for mandatory)...
It is not necessary to provide a value for an optional parameter in a procedure call.The default value of a parameter is used when:No value for the parameter is specified in the procedure call. The DEFAULT keyword is specified as the value in the procedure call....
@DatabaseId:You need to pass the required database ID. This parameter is mandatory and data type of this argument is small integer. @TableId:You need to pass the required table ID. This parameter is optional and data type of this argument is integer. ...
optional parameter @spid -- select t1.resource_type, 'database'=db_name(resource_database_id), 'blk object' = t1.resource_associated_entity_id, t1.request_mode, t1.request_session_id, t2.blocking_session_id from sys.dm_tran_locks as t1, sys.dm_os_waiting_tasks as t2 where t1.lock...
A parameter is considered optional if the parameter has a default value specified when it is declared. It is not necessary to provide a value for an optional parameter in a procedure call. The default value of a parameter is used when: No value for the parameter is specified in the procedu...
Unfortunately, the most reliable method is somewhat complicated and involves performing a trace of all queries executed against your server and then grouping them by their signatures. (That is, query text with the actual parameter values replaced by placeholders in order to identify the same query ...
- 40% of the lock memory that is configured by using the locks parameter of sp_configure. For more information, see Server configuration options.If both trace flags 1211 and 1224 are set, 1211 takes precedence over 1224. However, because Trace Flag 1211 prevents escalation in every case, ...
1 Defined in Microsoft.SqlServer.Types.dll, which is installed with SQL Server and can be downloaded from the SQL Server feature pack. Automatic data type conversion with output parameters A CLR method can return information to the calling code or program by marking an input parameter with the ...