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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
Create a data table using a stored procedure:When creating a table, note that you must add authid current_user. If the created table already exists, the stored procedure continues to run. If you do not add this key statement, the
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
Today, while writing the stored procedure, I found a very strange problem, stored in the process of a simple select dynamic SQL statement. After writing, execute this stored procedure, always prompt ora-00942:
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
A few days ago, when developing a system platform, the Arisisi Web Team (alixixi.com) needed to call several fields of multiple tables through a stored procedure, merge them into a temporary table, and sort them back to an ASP call. Below, I share the experience: 1, stored proced
Below you introduce SQL under the use of a variety of resources to determine the existence of the code, the need for friends can refer to, I hope you learn SQL functions and databases can be helpful.Whether the library existsif exists (select * from Master.. sysdatabases where name=n ' library name ')print ' exists 'Elseprint ' NOT EXISTS '-----------------Determine if the name of the table to be created ex
Gets the modification time of the stored procedure and the creation time of the query--Table select * from sysobjects where id=object_id (N ' table name ') and xtype= ' U ' --table structure
SQL queries the example of the table, stored procedure, trigger Creation Time, and last modification time. The creation time is modified. -- Query creation time -- table select * from sysobjects where id = object_id (n'table name ') and xtype = 'U' --
The main idea is as follows: First, find the name of the table to be processed or the name of the stored procedure in the system table, and process it with a cursor. Note that the values of sysobjects. xtype are different deletion commands. For example, when you delete a stored
view_name from User_views;View the SELECT statement that created the viewSql>set view_name,text_length from User_views;Sql>set Long 2000; Description: The size of the set long can be set according to the Text_length value of the viewSql>select text from User_views where View_name=upper (' view_name ');6. SynonymsView the name of a synonymSql>select * from user_s
In the development process, the result set is often stored in a temporary table. There are two common methods. 1. SELECTINTO1. using selectinto will automatically generate a temporary table without creating # tempfromsysobjects # temp In the development process, the result set is often
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
To reverse all the table structures in the Oracle database, there are partition tables and non-partition tables. The fields involved include number, data, timestamp, varchar2, and char. So only needle To reverse all the table structures in the Oracle database, there are partition tables and non-partition tables. The fields involved include number, data, timestamp, varchar2, and char. So only needle To
Check whether SQL exists-- Determine whether the database existsIf exists (select * from master .. sysdatabases where name = N 'database name ')Print 'exists'ElsePrint 'not exists'----------------- Determine whether the table name to be created existsIf exists (select * from dbo. sysobjects where id = object_id (n' [dbo]. [Ta
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
I believe everyone has met the lock table. I think everyone knows how to unlock the table. However, there are some low-level kill processes. We use stored procedures to implement this function. I believe everyone has met the lock table. I think everyone knows how to unlock the tabl
SQL statement-obtain the database name, table name, stored procedure, and parameter list I have been familiar with data transfer services of different databases. To facilitate data import and export, I developed a small tool to export and import data, the SQL statements that involve parameters such as database name and table
Oracle tables cannot be exported with SQL scripts if they contain CLOB fields, especially when data backup is required or data import and export is inconvenient. This stored procedure you simply pass in the table name and the results that need to be returned, you can get the executable SQL, directly in PL/SQL to perform the returned results, you can export the da
Tags: style blog color io data div SP CTI Log--determine if the database existsif exists(Select * fromsys.databaseswhereName= 'Database name')Drop Database [Database name]--determine if a table existsif exists(Select * fromsysobjectswhereId= object_id(N'[table name]') and ObjectProperty(ID, N'isusertable')= 1)Drop
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