[...] ANSI SQL defines a set operation called EXCEPT ALL that isn't implemented in SQL Server 2005.n Only occurrences 5 and 6 from the first set don't find a match in the second; therefore in the 85 output rows you'll find only two occurrences of UK, NULL, London....
Keep in mind SQL Server, as a modern RDBMS system, performs much better with set operations. Here is simplified version of a real cursor that was used to update a big table with over 200 million rows. DECLARE @EntityId Varchar(16) DECLARE @PerfId Varchar(16) ...
Finally it is possible to perform a number of logical set operations using functions such asIntersect (MDX),Union (MDX)andExcept (MDX)functions. The following query shows examples of the latter two functions: SELECT //Returns a set containing the Measures Internet Sales Amount, Internet Tax Amou...
Returns information as a set of rows that form a hierarchical tree representing the steps taken by the SQL Server query processor as it executes each statement. Each statement reflected in the output contains a single row with the text of the statement, followed by several rows with the details...
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 s...
For more information about bulk load operations, see Bulk Import and Export of Data (SQL Server). FILESTREAM-enabled databases support the following transaction isolation levels. Expand table Isolation levelTransact-SQL accessFile system access Read uncommitted SQL Server Unsupported R...
SQL_POSITION SQL_REFRESH SQL_UPDATE SQL_DELETE 备注 ODBC 3.x已弃用Operation参数的 SQL_ADD 值。 ODBC3.x驱动程序需要支持SQL_ADD以实现向后兼容性。 此功能已被调用SQLBulkOperations替换为SQL_ADD操作。 当 ODBC 3.x 应用程序与 ODBC2.x驱动程序一起使用时,驱动程序管理器将调用SQLBulkOperations,并将SQL...
This option has the same effect as setting HOLDLOCK on all tables in all SELECT statements in a transaction.RemarksOnly one of the isolation level options can be set at a time, and it remains set for that connection until it is explicitly changed. All read operations performed within the ...
Currently set operations are not supported when arguments are mapped to temporal tables. This is due to ambiguity: ctx.Customers.TemporalAsOf(new DateTime(2000, 1, 1)).Concat(ctx.Customers.TemporalAsOf(new DateTime(2010, 1, 1))).Select(x...
For a report server running in native mode, you must have Publish permissions on the target folder to publish reports to that folder. Publish permissions are provided through a role assignment that maps your user account to a role that includes publish operations. For more information, see Create...