sql server stored procedure tutorial for beginners
sql server stored procedure tutorial for beginners
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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
server| Stored Procedures
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In the process of developing a database system, many stored procedures are often written. To unify the format and simplify the development process, I write some stored procedures to automate the generation of
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
Used by colleagues todayCodeThe stored procedure call times out and runs in SQL Server Management studio, but the result is very quick. This is the same as the last time I encountered it. Now the solution is recorded as follows, I would like to remind you.
Solution: Delete unnecessary spaces in the
A Stored Procedure for SQL Server Sa password cracking:If exists (select * from dbo. sysobjects where id = object_id (n' [dbo]. [p_GetPassword] ') and OBJECTPROPERTY (id, n' IsProcedure') = 1)Drop procedure [dbo]. [p_GetPassword]GO/* -- Brute-force cracking
A Stored Procedure for SQL Server Sa password cracking:If exists (select * from dbo. sysobjects where id = object_id (N [dbo]. [p_GetPassword]) and OBJECTPROPERTY (id, NIsProcedure) = 1)Drop procedure [dbo]. [p_GetPassword]GO/* -- Brute-force cracking
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
...... N words are omitted here ...DROP PROCEDURE Test_proc; CREATE PROCEDURE Test_proc as DECLARE @u_id INT;D eclare @u_name VARCHAR (255); DECLARE @age INT;--Declares the parameter in the cursor--select, must be the same as the variable name that the cursor takes out DECLARE mycursor cursor for SELECT u_id,u_name,age from U_us;--Open cursor O PEN MyCursor;--fetching data from a cursor, assigning to the 3
Label:Create a new C # class library, compile. Add Reference using Microsoft.SqlServer.Server; Method [SqlFunction]
Public Static int generatetxt ()
{
......
} Modify Database Configuration --- modify config
'clr enabled'1;
Reconfigure; Registering assemblies based on DLL path -- Extract intermediate language (IL) use
erp303_szzb_szpa
'E:\Study\VS2010\ from DLL Pingancustomerinfointerface\pingancustomerinfointerface\bin\debug\pingancustomerinfointerface.dll' Call IF EXISTS (SELECT * from
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
1. Create: use the "Stored Procedure" template of vs2005 to create the template;2. Deployment: automatically create a stored procedure in sqlserver through vs2005 deployment;3. Use: Use the command object in C # To Call The stored proced
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
xp_cmdshell stored procedure is the execution of the local cmd command, requiring the system to log in with the SA permission, that is, if you get the SA command of SQL Server, you can do whatever the target machine, the well-known software "streamer" use should also be this stored
SystemserialnoWith (Rowlock)SET Maxserialno=maxserialno+1WHERE TableName=@tableNameand Prefix=@Prefixand dataversion=@dataVersionENDELSEBEGIN--If on the same day, the maximum encoding plus one, otherwise update the date and reset the maximum encodingIF@defaultDateTime=CONVERT (VARCHAR (12),GETDATE (),112)BEGINUPDATE SystemserialnoWith (Rowlock)SET Maxserialno=maxserialno+1WHERE TableName=@tableNameand Prefix=@Prefixand dataversion=@dataVersionENDELSEBEGINUPDATE SystemserialnoWith (Rowlock)SET l
Label:1. Stored Procedure creation1 CREATE PROCEDUREsys.sp_student2 @id int,
3 @name varchar( -),
4 @age int
5 as
6 BEGIN
7 SELECT * fromStudentWHEREId=@id
8 END
9 GO View Code 2. Parameter Definition @id int, @name varchar (20) @age int output--output is represented as an output parameter DECLARE @where varchar (--declare) Global variables3, the first method of multi-criteria query:SET @
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