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MySQL dynamically creates a table and stores data in sub-tables in bitsCN.com.
BEGIN
DECLARE '@ I' int (11 );
DECLARE '@ siteCount' int (11 );
DECLARE '@ sqlstr' VARCHAR (2560 );
DECLARE '@ sqlinsert' VARCHAR (2560); // DECLARE the variable above
Select count (0) into '@ siteCount' FROM tbl_base_site; // calculates the total number of records in the tbl_base_site table
Problem: In the process of doing the project encountered a person problem: that is, the value of the Deco field of Table A is presented as a column of table B, and the data of these values is taken from the C tableMethod: Originally wanted to use, a view to list the values in the Deco field and the data in the C table, but found that the association of a few tabl
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,
query command to view the system directory: SELECT * from Sys.table_types We need to define a stored procedure to handle table-valued parameters. The following program can accept table-valued parameters of the specified saleshistorytabletype type and load into saleshistory
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
is added, updated, or deleted to table [A], it triggers the corresponding operation for table [B] and modifies the stored procedure of table [B.
Modify the stored procedure of
("City :"+ Dr ["City"] +"Total :"+ Dr ["Total"]);
If the stored procedure returns multiple datasets, the following code shows:
alter proc spstudentcontact @ lastname varchar (50) as declare @ contactid int declare @ fkcontactid int select
* from Student where lastname = @ lastname select
There is a table that you need to operate on in the background and want to dynamically add and delete fields to it. This feature may be fine, but it also needs to be modified together with the original two stored procedures for insertion and update. Therefore, Insus. NET implements it. Therefore, this article will show you how to dynamically add and delete fields to a t
SQL Server with the table structure list parameters of the stored procedure is basically completed, and other restful return and so on is not in this statement!The SQL Server stored procedure script used in the example is as follows, for informational purposes only:To creat
Label:Demand: Add a field to a table in a database (if the field already exists, do not do so; if the field does not exist, the new one) Baidu has been n long, did not meet the requirements of the example, only the reference to add their own pondering, finally to get out, the following is a few versions of the changeFirst edition:DELIMITER $$CREATE PROCEDUREInsert_column ()BEGIN
IF not EXISTS(SELECT 1 fro
If we want to pass the table as an input parameter to the SQL Server Stored Procedure before 2008, we may need a lot of logic processing to pass the table data as a string or XML.
Table value parameters are provided in 2008. Using Table
Stored Procedure ora-00942 when ora-00942 table or view does not exist
Solution:
Grant select, insert, update, delete on bookmarks. * to bm_user @ localhost identified by 'Password'
Authorization statement: Grants the XXX select, insert, update, and delete permissions to
There is a table where the user needs to manipulate it in the background, hoping to add a delete field to it dynamically. This feature may not be a problem, but it was originally inserted with the updated two stored procedures, also need to be modified together. So insus.net implements it, so this article will give you an idea of how to dynamically add delete fields to a
-- determine if the database existsIF EXISTS (SELECT * from MASTER.sys.sysdatabases WHERE name = ' library name ')PRINT ' exists 'ElsePRINT ' NOT EXISTS '-- determine if the name of the table to be created existsIF EXISTS (Select * from sysObjects Where name = ' table name ' and Type in (' S ', ' U '))PRINT ' exists 'E
Sometimes, we need to migrate the data from a table to a different Couchen of the same structure by exporting it all or based on query criteria
Currently, there is no relevant tool in SQL Server to generate INSERT statements based on query criteria, only with the help of Third-party tools (third party tools)
There are a lot of such scripts on the Web, but the web script still lacks some specifications and functions, such as: I just want to export th
filtering process
SN = synonym
TR = SQL DML Trigger
IF = SQL Inline Table-valued function
TF = SQL Table-valued function
U = table (user-defined type)
UQ = UNIQUE Constraint
V = view
X = Extended
Label:Define a stored procedure as follows: Create proc [dbo].[test1]
@id int
as
Select 1 asId'ABC' asNameUnion All
Select @id asId'zzz' asName Returns two rows of data.Now you want to call the stored procedure with the SQL
variables | stored Procedures | Pagination to create a stored procedure that returns the results of a specified record, you must first specify the number of records to return the result set, either with a temporary table or with a table variable (SQL Server 2000), and the tw
Label: --whether the database exists
IF exists(SELECT * fromMaster.. sysdatabasesWHEREName=N'Library name')
PRINT 'exists'
ELSE
PRINT 'Not exists'
---------------
--determine if the name of the table to be created exists
IF exists(SELECT * fromDbo.sysobjectsWHEREId= object_id(N'[dbo]. [Table name]') and ObjectP
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