sql stored procedure example

One, stored proceduresA: Stored procedure: A stored procedure is a set of SQL statements that are compiled and stored in a database in order to accomplish a specific function.You can us

tables with frequent Records added during the exchange, cluster indexes (clustered) are used to reduce the number of users who add records to the last page of the table and generate hot spots at the end of the table, cause a deadlock. This type of table is mostly a flow meter for current accounts. It features that a large number of records need to be appended at the end of the table during the exchange period, and the added records are not deleted or less.● For tables with a small number of rec

To create the code:Create procedureProc_delete_business_and_workflow_data_by_business_key (--Input Parameters @bkey varchar( -), --Output Parameters @error intoutput) as--Start a transactionbegin Transaction--Business OperationsDelete fromT_jcwherejc_id=@bkeyDelete fromT_zgwherezg_id=@bkeyDelete fromT_jkfwherejkf_id=@bkeyDelete fromT_wxzywhereWxzyid=@bkeyDelete fromT_sgzwhereId=@bkeyDelete fromT_sgz_recheckwhereId=@bkeyDelete fromT_workreportwhereId=@bkeyDelete fromT_report_setd

Bankmoney where userid= ' Zhangsan 'GoThe method for executing the stored procedure in SQL Server Query Analyzer is:DECLARE @total_price intEXEC insert_bank ' 004 ', ' Zhangsan ', ' Male ', MB, @total_price outputprint ' Total balance is ' +convert (varchar, @total_price)Go Here's a little bit of a second. 3 return values for the

Table Structure:Copy codeThe Code is as follows:Create table [dbo]. [Xtest] ([ID] [bigint] IDENTITY (1, 1) not null,[XName] [nvarchar] (50) NULL,[XDemo] [nvarchar] (500) NULL,CONSTRAINT [PK_xtest] PRIMARY KEY CLUSTERED([ID] ASC) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]) ON [PRIMARY] Insert 0.5 million data records:Copy codeThe Code is as follows:Declare @ I intSet @ I = 1While (@ I BeginInsert into dbo. x

(+); Begin Select Course_name to C_n from grade where stu_name=in1; Dbms_output.put_line (C_n); Exception When No_data_found then dbms_output.put_line (' try '); When Too_many_rows and Dbms_output.put_line (' more '); End; --Exception Handling Example 2Create or Replace procedure Peace_insert (C_n in VARCHAR2)IsError EXCEPTION;BeginIf c_n = ' OK ' ThenInsert into Grade (Course_name) values (c_n

) select gid from TGongwenWhere fariqi> dateadd (day,-365, getdate () order by fariqi descSelect O. gid, O. mid, O. title, O. fadanwei, O. fariqi from TGongwen O, @ indextable tWhere O. gid = t. nid and t. id> @ PageLowerBoundAnd t. id End The stored procedure above set nocount off uses the latest SQL SERVER Technology-table variables. It should be said that this

When software development uses Microsoft sql2005 to store data, there are multiple methods to retrieve information. There are dynamically generated SQL statements and stored procedures. But is their performance the same? Download the test program and source code Test Description: The purpose of this test is to compare whether the execution time of dynamic SQL que

;preferences–> user interface –> key configuration)New SQL window: Ctrl+shift+sNew command window: ctrl+shift+cNew Test window: ctrl+shift+tPL/SQL developer beautification: ctrl+shift+fRedo: Ctrl+shift+zUndo: Ctrl + ZClear: Ctrl+d (use caution, unrecoverable, I am disabled O (∩_∩) o~)Check all: Ctrl + AIndent: TabCancel indent: Shift+tabUppercase: Ctrl+shift+xLowercase: ctrl+shift+yNote: ctrl+hUncomment: Ct

CATCH block.RAISERROR (@ErrorMessage,--Message text.@ErrorSeverity,--Severity.@ErrorState-State.); END CATCH 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 fu

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 comparison of new Mssql-jdbc.jar, I download the f

Simple MySQL Stored Procedure Example 1: CREATEPROCEDUREtest (INmyidINT (3), INmynameVARCHAR (22), INmyageINT (3) ifmyid0THENINSERTINTOa (name, age) VALUES (myname, myage); ELSEUPDATEaSETa. namemyname,. agemyageWHEREa. idmyid; ENDI Example 1 of a simple MySQL Stored

1. Log On with the mysql client 2. Select a database Mysql> use test 3. query the stored procedures of the current database. Mysql> show procedure status where DB = 'test' 4. Create a simple Stored Procedure Mysql> Create procedure HI () Select 'hello '; 5. After th

creation, each subsequent execution of the stored procedure does not need to be compiled, and the general SQL statements are compiled once per execution (so some of the complex logic of SQL recommendations written in the stored procedures);

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

Previously, I answered some questions from some netizens about how to wear a collection of returned records in www.linuxidc.comlinux2012-0765117.htm. Presumably Before in The Post http://www.linuxidc.com/Linux/2012-07/65117.htm answered some netizens on how to wear a collection of returned records stored procedures. Presumably In the previous post, I answered some questions from some netizens about how to wear a

Mysql Stored Procedure example DELIMITER $Create procedure generate_Equipment (district INT, warehouseNO VARCHAR (10 ))BEGINDECLARE l_no VARCHAR (50 );DECLARE l_address VARCHAR (20 );DECLARE l_name VARCHAR (20 );DECLARE l_city VARCHAR (20) DEFAULT "Tianjin ";DECLARE l_long1_double;DECLARE l_latitude DOUBLE;DECLARE l_mo

I have written several stored procedures in my recent work and need to pass strings to the stored procedures. Because SQL Server 2000 does not have built-in functions similar to split, I have to handle them myself, it is very troublesome to split a column in the foreground dataset into a List Download Sample CodeI. Test Environment 1. Windows Server 2008 R2 DataC

I have written several stored procedures in my recent work and need to pass strings to the stored procedures. Because SQL Server 2000 does not have built-in functions similar to split, I have to handle them myself, it is very troublesome to split a column in the foreground dataset into a List Download Sample Code I. Test Environment 1. Windows Server 2008 R2 Dat

Execute the stored procedure$ Query = $ this-> db-> query ('Call YOU_SP_NAME ');$ Result = $ query-> result ();This is not a big problem, just like executing a common SQL statement.Problems encountered when using stored proceduresAfter the stored