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Stored Procedure Parameters1.IN Default2.OUT3.IN out can be modifiedFormal parameters and arguments--Formal parameters1 CREATE PROCEDURE Number Number 2is3BEGIN ... 4 END raise_sal;--Practical Parameters1 emp_id:=+; 2 raise_sal (emp_id,);--In Parameter type demo salary gain percent1 CREATE OR REPLACE PROCEDUREraise_salary2 (3Idinchemployees.employee_id%TYPE,4
The stored procedure p_sys_Login is defined as follows:Create procedure p_sys_Login@ ArgUserID varchar (20), -- User Name@ ArgPassword varchar (20), -- Password@ ArgResult varchar (50) OUTPUT -- logon resultAS/*......*/ The following shows how to use the most concise and effective code in C # To execute the
The stored procedure p_sys_Login is defined as follows:
Create procedure p_sys_Login@ ArgUserID varchar (20), -- User Name@ ArgPassword varchar (20), -- Password@ ArgResult varchar (50) OUTPUT -- logon resultAS/*......*/The following shows how to use the most concise and effective code in C # To execute the
The stored procedure p_sys_login is defined as follows:
Create procedure p_sys_login
@ Arguserid varchar (20), -- User Name@ Argpassword varchar (20), -- Password@ Argresult varchar (50) Output -- logon resultAs
/*
Write the specific content yourself*/The following shows how to use the most concise and effective code in C # To
The stored procedure P_sys_login is defined as follows:
CREATE PROCEDURE P_sys_login
@argUserID varchar (20),--User name
@argPassword varchar (20),--Password
@argResult varchar OUTPUT--Login results
As
/*
... ...
*/
The following shows how to execute the stored
for retrieving information from the source table. It tries to find the fastest way to use the smallest resource, and also supplements the list of tasks required for execution (for example, check security and confirm whether the constraints are enforced, if merging is required during processing, a trigger should also be included, and so on ). The result is an internal structure called the execution plan.
Run:The execution plan is
Adoquery: output parameters used to execute the Stored Procedure
I wrote this for self-check in the future. Oh, of course, no one else can check it.
Step 1: Establish proc
Create proc myabc @ A int, @ B INT, @ C int output
As
Set @ C = @ A * @ B
Run the following command in SQL:
Declare @ A int, @ B INT, @ C intSet @ A = 250Set @ B = 40Exec myabc @ A,
Table tbClass storage Forum category
Field name
Field Type
Null allowed
Description
ClassID
Uniqueidentifier
No
GUID primary key, default value newid ()
ClassName
Varchar (50)
No
Category name
Table tbBoard stores Forum sections in Forum categories
Field name
Field Type
Null allowed
Description
BoardID
Uniqueidentifier
1. SqlConnection thisConnection = new SqlConnection ();ThisConnection. Open (StrConn );
SqlCommand thisCommand = thisConnection. CreateCommand ();// The command type is stored procedureThisCommand. CommandType = CommandType. StoredProcedure;// Name of the stored procedureThisCommand. CommandText = "Ten Most Expensive Products ";
// Execute the
/// /// Execute the SQL statement with a stored procedure parameter.
/// /// /// Article With special symbols, you can add them in this way /// Public int executesql (string sqlstring, string content)
{
Open ();
Sqlcommand cmd = new sqlcommand (sqlstring, con );
System. Data. sqlclient. sqlparameter myparameter = new system. Data. sqlclient. sqlparameter ("@ web
Define a stored procedure as follows:CREATE proc [dbo]. [Test1] @id Intasselect 1 as ID, ' ABC ' as name union ALL select @id as ID, ' zzz ' as nameReturns two rows of data.Now you want to call the stored procedure with the SQL statement and put the table he returned into th
Tags: end col insert signed cut Sig EFI mit nbsp Dynamically copy data from one table to another table based on table data Copy the track table records to the corresponding track_ according to the mac_id two digits. In the table such as: mac_id=12345678910, the latter two-bi
Busy for two months did not write things, today we share some work results.
A common way to execute stored procedures
/// / Executes the stored procedure, returning a dataset. /// /// /// /// Public DataSet exeprocedure (string procdure, string[] para) { da = New SqlDataAdapter (); comm = new SqlCommand (proc
Insert | stored procedure
I've found two stored procedures that automatically generate a stored procedure for inserting and updating a datasheet, now dedicated to everyone!
Insert:
Create procedure Sp_geninsert
@TableName varcha
Recently, SQL stored procedures have been found to greatly reduce the amount of code in the program.
In the future, we need to consider using more stored procedures.
Two tips:
1. Use stored procedures to dynamically create data tables.
/*Process function: dynamically create a data table in a
SQL Server traverses the database file to find all stored procedures that use a table/stored procedure.1 CREATE ProcedureSp_getproc2 @Object_Name Varchar( -) 3 as 4 SetNocount on 5 6 DECLARE @tmptable TABLE 7 ( 8Idint IDENTITY(1,1), 9 [DataBase] Va
Oracle Stored procedure Loop insert a table to another table 1. create a Stored procedure SQL code create or replace procedure inserttest as cursor cs is SELECT sales_id FROM t02salesin
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