SQL Server 2000 has three similar functions: scope_identity, ident_current, and @ identity. Both return values inserted into the identity column.Nbsp; ident_current returns the final id value generated for any session and a specific table in any
Insert
How to get an ID automatically generated after the last time you insert a record
Author: Amoy Net
Source: Amoy Net
NOTE: Reprint please indicate the source
If you use stored procedures, it will be very simple, the code is as follows: SET
Ident_current returns the identity value that was last generated for any session and for a particular table in any scope. Ident_current is not subject to scope and session restrictions, but is limited to the specified table.
@ @IDENTITY Returns
In actual database applications, we often need to get the inserted flag value to write data into the relevant table. But what we usually get is the value we need?Sometimes we use select @ identity to obtain the value we just inserted, such as the
Select @ identity usage 11:25:39| Category: JSP Dev|Report|Font SizeSubscription Use select @ identity to obtain the ID automatically generated when the last record is inserted. If you use a stored procedure, the Code is as follows: Set @ [email
A recent problem in the development project was to get the ID in the database immediately after inserting a record, and that ID was self increasing. There are several ways in which SQL Server 2005 can be implemented. The easiest way to get this ID
Mysql_insert_id () returns the auto_increment ID generated in the previous insert query in the given link_identifier. If link_identifier is not specified, the last opened connection is used.
If no auto_increment value is generated in the previous
1. Get the last bar to insert dataLAST_INSERT_ID ();2. Gets the number of update impact rows.Row_count ();mysql> UPDATE T , SET address = ' beijing111 ' , WHERE id = 1 , and NAME = ' Yubowei '; Query OK, 1 row affected (0.30 sec) Rows
In the original: SQL gets the last generated identity value ident_current, @ @IDENTITY, scope_identity usage and differencesIdent_currentReturns the last identity value generated for the specified table in any session and any
How to obtain the ID automatically generated after the last insert recordAuthor: Tao InternetSource: TaotaoNote: Please indicate the source for reprinting.If you use a stored procedure, the code is as follows: SET @ NewID = @ IDENTITYNote:After an
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.