stored procedure performance tuning in sql server

varchar ", @cou out, @idPrint @cou2. PerformanceAs you can see, if you use Exec, because each incoming @id is not the same, each time the generated @sql is different, so that each time Sql2005 must be executed again to re-compile the dynamic SQLBut sp_executesql is not the same, due to the numerical parameterization, the dynamic SQL to be executed will never change, but the value of the parameters passed i

The SQL Server Stored Procedure is paged and supports conditional sorting. For more information, see. The SQL Server Stored Procedure is pag

In the user authentication program, it is easy to use ASP to call SQL statements to retrieve records with matching conditions in the data table, and then use ASP for relevant processing.All roads pass Rome! Of course, we can also use the stored procedures of the SQL SERVER database to easily implement this function. Al

Label: SQL Server paged query stored procedure used in the project. "Stored Procedures" Create PROCEDURE Prcpageresult--Get the data of a page--@currPage int = 1,--The current page number (that is, top currpage)@showColumn varchar

In the database operation request recently given to me by my boss, there is a table with a shopping list style, with the customer ID, product ID, number of items, unit price and total price of the item, and the date of sale. There is also a product discount information table, on this basis, the price of the same commodity prices will be different, different customer maximum discount amount, the discount rate also varies, requires SQL

Unpublished extended stored procedure injection in SQL ServerMany may not understand that SQL Server contains several extended stored procedures that can access the system registry. But in fact, these extended

Learn about SQL Server databases, the way SQL Server stored procedures are built, and here's how you can build SQL Server stored procedures

Refresh_vendor_prefix] Warning Code: ' + cast (@ @error as nvarchar) + ' Warning Lines: ' + cast (error_line () as nvarchar) + ' Warning Msg: ' +error_message () ') END CATCH3: Then the C # program runs slowly, but oddly enough, if you run this stored procedure separately in SQL Server Management Studio, it's fast,4:

Normally, an appropriate index is established on the SQL Server server for a table with a high frequencyThis can greatly improve the data retrieval speed of the database itself, the method of establishing the index is not elaborateIf you need to return a large amount of data, from hundreds of lines to tens of thousands of rows, or even hundreds of thousands of ro

ObjectiveFor a long time did not touch the database, the weekend at home to write a report of the stored procedures, a time to use the stored procedures to achieve paging and calculate the total number of records do not know how better to achieve. According to our normal business logic, the stored procedure data is fir