Discover stored procedure performance tuning in sql server, include the articles, news, trends, analysis and practical advice about stored procedure performance tuning in sql server on alibabacloud.com
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Conclusion: If the total number of statistics recorded in the stored procedure will seriously affect the efficiency, the same query condition record total must be the same, so if the first page is executed after the total number of
Error|server when I started developing Web pages this interact with a SQL Server database, I probably started like Everbod Y Else:with inline SQL statements. I then progressed to using the connection object to call stored procedures and eventually using the command object .
--A stored procedure with input parameters--
create proc getcomment
(@commentid int) as
select * from Comment where commentid=@ Commentid
--A stored procedure with input and output parameters--
create proc getcommentcount
@newsid int,
@count int output as
Select @count =count (*) from Comment where newsid= @newsid
Abstract:There are many stored procedures in the system provided by SQL Server, but most of them are not commonly used. In practice, I summarized some common examples and introduced some examples. This article introduces: l sp_attach_dbl sp_attach_single_file_dbl sp_changedbownerl sp_changeobjectownerl sp_column_privileges
1.1. sp_attach_dbAttach the database to
Recently due to the need for work, a simple understanding of the next SQL Server 2005 database creation is simple in stored procedures.First, explain how to create a stored procedure:CREATE proceduer my_pro @inputDate varchar,DECLARE input variable @Result varchar (255) outputDeclaring output variables as declare @vari
Two days ago, we briefly learned about a special stored procedure-trigger. Today we want to write some simple theoretical and practical knowledge about the stored procedure.
First, we need to understand what is a stored procedure
planSummarizeTechnical support to do a relatively long time, met a lot of pits, in these pits constantly reflect, slowly grow! Do not say what the database is better, do not say that our massive database needs what high-end technology, in fact, the key to solve the problem is only a little bit of basic knowledge.Note: In this case there is another situation is that the query data volume is very large, then the full table scan itself is the optimal plan, and because of the problem of parameter p
is part of the sql-server stored procedure of the report we made to the IT Service project of Air China Company. (Welcome to discuss it together)
A: Number of processing failures per employee, total
Fgw_proc1.txt
Total number of--FGW_PROC1 processing failures
CREATE PROCEDURE
Directory Stored Procedures
Used to implement ODBC data dictionary functionality and isolate ODBC applications from the impact of changes to the underlying system tables.
Change data capture stored procedures
Used to enable, disable, or report on change data capture objects.
Cursor Stored Procedures
Used to implement the
If you need to regularly execute a stored procedure or SQL statements of less than 3200 characters in SQL Server, you can use management> SQL Server proxy> job.
1. Choose "manage"> "
Cause analysisIf the stored procedure 'sp _ Password' is not found, the sp_password stored procedure in sqlserver is missing. You only need to create a new sp_password stored procedure.Re-create the sp_passsword Stored
SQL Server Stored Procedures, printing other stored procedures or function object creation statement code comes from the built-in stored procedures without CreatePROCEDURE [dbo]. [sp_PrintProc] @ objnameNVARCHAR (776), @ columnnameSYSNAMENULLAS -- print the object SETnocount
Sometimes, due to the lack of Functions of SQL Server, we need to use external programs to implement it. Because of its language independence and powerful functions, com becomes the first choice for the interface with SQL Server, in addition, SQL
Purpose: To invoke SQL Server stored procedure with table structure list parameter with TalendImplementation: Because Talend current components do not seem to implement such a function, and do not want to write a component, so use Tjavarow to encode the implementation.1, we can first through Maven to download the compa
END
GO
BEGIN TRY
SELECT GETDATE ()
SELECT 1/0--evergreen divide by zero example!
END TRY
BEGIN CATCH
SELECT ' There is an error! ' + error_message ()
RETURN
END CATCH;
2. The function table that obtains the error message:The following system functions are valid in the CATCH block. Can be used to get more error messages:
function
Description
Error_number ()
Returns the error number of the e
This section describes how to use ifesle in the SQL Server Stored Procedure for your reference. There are two tables in the database. The primary key of Table A is automatically increased and the foreign key of Table B is allowed to be empty. Now, you need to insert data to table B through programming, however, in a pr
When using SQLServer, paging processing has always been a tough issue.
When using SQL Server, paging processing has always been a tough issue.
Under normal circumstances, the SQL Server will create an appropriate index for a frequently used TableThis will greatly improve the data retrieval speed of the database itse
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