A view with an INSTEAD OF UPDATE trigger cannot be a target of an UPDATE with a FROM clause. Table2; USE Adventure Works2012; GO IF OBJECT_ID ('dbo. All char and nchar columns are right-padded to the defined length.
Any call to OPENDATASOURCE, OPENQUERY, or OPENROWSET in the FROM clause is evaluated separately and independently from any call to these functions used as the target of the update, even if identical arguments are supplied to the two calls. If ANSI_PADDING is set to OFF, all trailing spaces are removed from data inserted into varchar and nvarchar columns, except in strings that contain only spaces. If ANSI_PADDING is set to ON, trailing spaces are inserted.
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Common table expressions can also be used with the SELECT, INSERT, DELETE, and CREATE VIEW statements.
For more information, see WITH common_table_expression (Transact-SQL). For information about table hints, see Table Hints (Transact-SQL)[email protected] When referencing the Unicode character data types nchar, nvarchar, and ntext, 'expression' should be prefixed with the capital letter 'N'.
For more information about predicates and search conditions, see Search Condition (Transact-SQL). To replace or modify large blocks of text, ntext, or image data, use WRITETEXT or UPDATETEXT instead of the UPDATE statement.
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.