Saved SQL commands must have names unique within a given workspace. There is no interaction between SQL Commands and SQL Scripts. You can cut and paste a SQL command from SQL Commands to run in the SQL Script Editor. See Also: "Using SQL Scripts" ...
The cancellation token can be used to request that the operation be abandoned before the command timeout elapses. Exceptions will be reported via the returned Task object. IsDBNullAsync(Int32) Asynchronously gets a value that indicates whether the column contains non-existent or missing values. ...
ASqlConnectionobject represents a unique session to a SQL Server data source. With a client/server database system, it is equivalent to a network connection to the server.SqlConnectionis used together withSqlDataAdapterandSqlCommandto increase performance when connecting to a Microsoft SQL Server data...
INSERT 或 UPDATE 物件表格 table-name 受一個以上的 UNIQUE 索引限制,在某些直欄或直欄群組中只能有唯一的值。另外,在母表格上的 DELETE 陳述式會造成受一個以上的 UNIQUE 索引限制的相依表格 table-name 更新外部索引鍵。唯一索引可以支援表格中定義的主要索引鍵或唯一限制。由於所要求的 INSERT、UPDATE 或 DELET...
INSERT INTO T1 VALUES(3) Go back to Connection 1 and run Script 1 again. If you examine the contents of ErrorLog, you should see that a primary key violation error was logged. Go to Connection 2 and delete the row you just inserted by running this command: Copy DELETE FROM T1 WHER...
OFF An error message will occur when duplicate key values are inserted into a unique index. The entire INSERT operation will be rolled back.IGNORE_DUP_KEY can't be set to ON for indexes created on a view, non-unique indexes, XML indexes, spatial indexes, and filtered indexes....
此外,您可以使用 CREATE TABLE 和 ALTER TABLE 陳述式來設定 PRIMARY KEY 和 UNIQUE 條件約束的鎖定資料粒度。 基於回溯相容性,sp_indexoption 系統預存程序也可以設定資料粒度。 若要顯示針對給定索引目前鎖定的選項,請使用 INDEXPROPERTY 函數。 分頁層級鎖定、資料列層級鎖定、或是分頁層級與資料列層級鎖定的組合...
Count null value from a table for each columns count of columns of stored procedure in sql count of columns with non-zero values Count of unique combinations Count subset of rows in subquery? Count The Number Of Rows Inserted Per Day Count(*) with Partition by producing the wrong result. ...
usesqlcmdoutside of your container to connect to SQL Server running in the container. These steps assume that you already have the SQL Server command-line tools installed outside of your container. The same principles apply when using other tools, but the process of connecting is unique to ...
command text was not set for command object Communication link failure when connecting to remote database Compare Columns from two different tables using SSIS Comparing null values in Unique identifier column Comparing two tables in SSIS component is missing, not registered, not upgradeable Component OL...