Server 2005 (9.x) Service Pack 2 開始,針對計畫快取中每個已清除的快取存放區,SQL Server 錯誤記錄檔會包含下列資訊性的訊息:SQL Server has encountered %d occurrence(s) of cachestore flush for the '%s' cachestore (part of plan cache) due to some database maintenance or reconfigure operations。
For example, a cursor is ideal for row by row processing that can’t be accomplished by set based operations. A cursor is flexible in that it provides a window, or subset, of data and that allows manipulation of the data in various ways. Study carefully what y...
This option has the same effect as setting HOLDLOCK on all tables in all SELECT statements in a transaction. Remarks Only one of the isolation level options can be set at a time, and it remains set for that connection until it's explicitly changed. All read operations per...
If you switch to the full recovery model during a bulk operation, bulk operations logging changes fromminimal loggingtofull logging, and vice versa. Permissions Requires ALTER permission on the database. Use SQL Server Management Studio After connecting to the appropriate instance...
(DM)SQLExecute,SQLExecDirect,SQLBulkOperations, orSQLSetPoswas called for theStatementHandlewith which theDescriptorHandlewas associated and returned SQL_NEED_DATA. This function was called before data was sent for all data-at-execution parameters or columns. ...
For the update and delete operations inSQLSetPos, the application uses theLockTypeargument as follows: To guarantee that a row does not change after it is retrieved, an application callsSQLSetPoswithOperationset to SQL_REFRESH andLockTypeset to SQL_LOCK_EXCLUSIVE. ...
SQL join operations Overview In the second article of this series “From mathematics to SQL Server, a fast introduction to set theory”, we’ve already seen a cross join operation which generates all possible combinations of the elements of two sets. Actually, this is not the only join operat...
2, for each cleared cachestore in the plan cache, the SQL Server error log contains the following informational message: "SQL Server has encountered %d occurrence(s) of cachestore flush for the '%s' cachestore (part of plan cache) due to some database maintenance or reconfigure operations"....
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Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the...