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The MySQL stored procedure is widely used. The following describes the MySQL Stored Procedure for table sharding. It is helpful for you to learn about the MySQL stored procedure.
Mysql
Search from the Internet, the use of cursors for the stored procedure paging, but there is a problem, there are two tables, the first table is empty, and the second table is the real data.The stored procedure is now modified so th
Tags: CREATE PROCEDURE Sys_message_user_for_busbase () Begin-Declares a flag done that is used to determine whether the cursor is traversing the completion of the DECLARE do INT DEFAULT 0;
--Declare a variable to hold the data extracted from the cursor--especially note that the name cannot be the same as the column used in the cursor, otherwise the resulting data is null DECLARE tid varchar () DEFAULT null;
DECLARE tname varchar () DEFAULT NULL;
D
null, CCC
...
Opertime varchar NOT NULL,--operating time result varchar is not NULL, - -Result Code
Description varchar (MB) not null, --Operating description
RESERVECHAR1 varchar () null -reserved
)
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The added fields are shown in red, where opertime represents the operation time, result represents the
content of the stored procedure is as follows:
Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->
Create procedure [DBO]. [my_import_csvfile]@ Sourcefilepath nvarchar (
200
),
--
The folder
Where
You upload the CSV file on your server. eg:
'
D: \ dataexchange \ csvtmp
'
@ Sourcefilename nvarcha
In the process of trying to do an online exam system, to manage each student's exam information, consider creating a temporary data table named for each student.
Creating a table dynamically in a stored procedure is good if you don't use parameters. The method is as follows:
ALTER
Mysql batch Add a new column stored procedure in the table, mysql new
Generally, for websites with a large access volume, the request log table is created independently on a daily basis. The business needs to add a new column for each table. After a long time, the
In Oracle, compare the data in a table with the input parameters and perform corresponding operations (stored procedures). If table a contains y records greater than x, insert y A words to Table.
In Oracle, compare the data in a table
DDL statements cannot be used directly in Oracle's stored procedures, such as CREATE, alter, DROP, truncate, and so on.That assumes that we want to create a temporary table in a stored procedure that can only use dynamic SQL statements:Create or replace procedure Pro as str
The implementation method of mssql Stored Procedure table name and field name is variable. For more information, see.
The implementation method of mssql Stored Procedure table name and field name is variable. For more information,
An error occurred while executing a stored procedure: ORA-01031: insufficientprivileges. Debug the stored procedure and find that an error occurs when the stored procedure runs to create a tab
Label:Original situation:A server table AServer B also has a table aThere is a stored procedure on server B to insert the local head table into the a server table.After the change:A field inserttime is added to the a server
?The recent project used the stored procedure to pass in the table type parameter.
-- Defining table TypesCreate type T_table_type as Table(ID int, name varchar(+), Sex varchar(2) )?Go-- create a stored pr
It is generally used for reports. premise: some of the reports are queried from some tables, while others are obtained through various computations. In this case, this stored procedure is available. It is purely a personal record and is not for everyone to learn.
As follows:
Use [Changyuan]
Go
/***** Object: storedprocedure [DBO]. [sp_adv_qy_jpdata_select_bydates] script Date: 05/19/2013 21:52:49 **
1. Replace all table names with dbo2. The stored procedure is all replaced with dboAnd then in the runAbout SQL data table stored procedure table name prefixes replaced with dbo code
(sortdirection. ascending); dropdownlistcourses. databind (); // bind the data source
If you need to update the lookup value, such as maintaining data management separatelyProgram, You can callLookup. rerefreshlookups ()To refresh the cache and obtain the lookup data again.
Call the Stored Procedure Working with Stored Procedures
Use ORM. one of the
The data in the ORACLE Stored Procedure table is overwritten and restored. The old Stored Procedure overwrites the new stored procedure. As a result, all the previously used functions a
Tags: des style http color io java ar strong data2nd part Database SQL languagePreservation of important table information in database stored procedure and related suggestions1. Saving important table information in the stored procedureIn very many
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