A. Use a SELECT statement with a simple CASE expression Within aSELECTstatement, a simpleCASEexpression allows for only an equality check; no other comparisons are made. The following example uses theCASEexpression to change the display of product line categories to make them more understandable. ...
Whenever youinsert a new row in a SQL Server tablethat contains default values, you may want toreturn the newly inserted rowto the user, along with the default value generated. However while doing a plain INSERT statement, all you get is the total number of rows affected. Here’s an exa...
Before the real processing starts, theBEGIN TRANstatement notifies SQL Server to treat all of the following actions as a single transaction. It is followed by twoUPDATEstatements. If no errors occur during the updates, all changes are committed to the database when SQL Server processes theCOMMIT...
CASE statement based on TIME field case statement for count between two dates CASE statement in SQL returns Null CASE statement in WHERE clause for IS NULL: I want to say IS or IS NOT Null for a column using CASE Case Statement in Where clause with parameters SQL Server CASE statement incl...
The SELECT statement that you use to access the data from your SQL Server table must end with the keywords FOR BROWSE. When you turn on the FOR BROWSE option to use browse mode, temporary tables are created. You must run the following Transact-SQL statement to turn on the browse mode by...
The example creates CLR function len_s. Before the function is created, the assembly SurrogateStringFunction.dll is registered in the local database. Applies to: SQL Server 2008 (10.0.x) SP 1 and later versions. SQL 複製 DECLARE @SamplesPath NVARCHAR(1024); -- You may have to modify th...
The following example passes a command string to a remote server. It creates a linked server SeattleSales that points to another instance of SQL Server and executes a DDL statement (CREATE TABLE) against that linked server. SQL Copy EXECUTE sp_addlinkedserver 'SeattleSales', 'SQL Server'; ...
Note: Starting with SQL Server 2012 (11.x) Service Pack 3 and SQL Server 2014 (12.x) Service Pack 1, this behavior is controlled by the Database Engine and Trace Flag 1236 has no effect.Scope: Global only. 1237 Allows the ALTER PARTITION FUNCTION statement to honor the current user-...
For example, the following statement includes the indexed view View1 in the FROM clause. Copy SELECT Column1, Column2, ... FROM Table1, View1 WITH (NOEXPAND) WHERE ... Use NOEXPAND if you want to be sure to have SQL Server process a query by reading the view itself instead of ...
They act as an intermediate layer between the Access front-end and the SQL Server back-end. Stored procedures can be as simple as a SELECT statement or as complex as any program. Here's an example: CREATE PROCEDURE HumanResources.uspGetEmployees @LastName nvarchar(50), @F...