The results of an UPDATE statement are undefined if the statement includes a FROM clause that is not specified in such a way that only one value is available for each column occurrence that is updated, that is if the UPDATE statement is not deterministic. Table1 VALUES(1, 10.0), (1, 20.0); INSERT INTO dbo. For more information, see The Transaction Log (SQL Server).
The CTE result set is derived from a simple query and is referenced by UPDATE statement.
Common table expressions can also be used with the SELECT, INSERT, DELETE, and CREATE VIEW statements.
Specifies the condition to be met for the rows to be updated. This can be configured in ODBC data sources or by setting connection attributes or properties.
The search condition can also be the condition upon which a join is based. For more information, see SET ANSI_PADDING (Transact-SQL).
However, a large amount of data is more efficiently streamed into a file by using Win32 interfaces.
When you update a FILESTREAM field, you modify the underlying BLOB data in the file system.The OUTPUT clause is not supported in any DML statements that target remote tables or views.For more information, see OUTPUT Clause (Transact-SQL).CURRENT OF Specifies that the update is performed at the current position of the specified cursor. If the UPDATE statement could change more than one row while updating both the clustering key and one or more text, ntext, or image columns, the partial update to these columns is executed as a full replacement of the values.A positioned update using a WHERE CURRENT OF clause updates the single row at the current position of the cursor. The ntext, text, and image data types will be removed in a future version of Microsoft SQL Server.There is no limit to the number of predicates that can be included in a search condition. Modifying a text, ntext, or image column with UPDATE initializes the column, assigns a valid text pointer to it, and allocates at least one data page, unless the column is being updated with NULL.