Updating customer database letter

All other references to the object in the FROM clause must include an object alias. Avoid using these hints in this context in new development work, and plan to modify applications that currently use them.

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.

updating customer database letter-65updating customer database letter-78updating customer database letter-2

Any characters not found in this code page are lost.

DEFAULT Specifies that the default value defined for the column is to replace the existing value in the column.

This can also be used to change the column to NULL if the column has no default and is defined to allow null values.{ += | -= | *= | /= | %= | &= | ^= | |= } Compound assignment operator:+= Add and assign-= Subtract and assign*= Multiply and assign/= Divide and assign%= Modulo and assign&= Bitwise AND and assign^= Bitwise XOR and assign|= Bitwise OR and assign Returns updated data or expressions based on it as part of the UPDATE operation.

The OUTPUT clause is not supported in any DML statements that target remote tables or views.

For more information, see OUTPUT Clause (Transact-SQL).

FROM Specifies that a table, view, or derived table source is used to provide the criteria for the update operation. If the object being updated is the same as the object in the FROM clause and there is only one reference to the object in the FROM clause, an object alias may or may not be specified. Table1 (c1 int PRIMARY KEY NOT NULL, c2 int NOT NULL); GO CREATE TABLE dbo. Table2 WHERE CURRENT OF abc; GO SELECT c1, c2 FROM dbo.If the object being updated appears more than one time in the FROM clause, one, and only one, reference to the object must not specify a table alias. Table2 (d1 int PRIMARY KEY NOT NULL, d2 int NOT NULL); GO INSERT INTO dbo. Table2 VALUES (1, 20), (2, 30); GO DECLARE abc CURSOR LOCAL FOR SELECT c1, c2 FROM dbo. Table1; GO Support for use of the READUNCOMMITTED and NOLOCK hints in the FROM clause that apply to the target table of an UPDATE or DELETE statement will be removed in a future version of SQL Server.[ ...n ] ) ] } | @table_variable } SET { column_name = { expression | DEFAULT | NULL } | { udt_column_name.{ { property_name = expression | field_name = expression } | method_name ( argument [ ,...n ] ) } } | column_name { . ] table_name SET { column_name = { expression | NULL } } [ ,...n ] [ FROM from_clause ] [ WHERE Specifies the temporary named result set or view, also known as common table expression (CTE), defined within the scope of the UPDATE statement.WRITE ( expression , @Offset , @Length ) } | @variable = expression | @variable = column = expression | column_name { += | -= | *= | /= | %= | &= | ^= | |= } expression | @variable { += | -= | *= | /= | %= | &= | ^= | |= } expression | @variable = column { += | -= | *= | /= | %= | &= | ^= | |= } expression } [ ,...n ] [ -- Syntax for Azure SQL Data Warehouse and Parallel Data Warehouse UPDATE [ database_name . 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.For more information, see WITH common_table_expression (Transact-SQL). For information about table hints, see Table Hints (Transact-SQL).@ When referencing the Unicode character data types nchar, nvarchar, and ntext, 'expression' should be prefixed with the capital letter 'N'.

Tags: , ,