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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
[Original address:] The differences between scope_identity, ident_current, and @ identity (comparison)
@ Identity (TRANSACT-SQL) returns the system function of the last inserted Identifier value.
Note: After an insert, select into, or large-capacity
@ @IDENTITY (Transact-SQL) returns the last inserted identity value of the system function.Note After an INSERT, SELECT into, or bulk copy statement is complete, the @ @IDENTITY contains the last identity value generated by the statement. If the
I. Definition and characteristics of the identity columnThe identity column in SQL Server is also called the identifier column, which is also known as the self-increment column.This type of column has the following three characteristics :1. The data
@ Identity (TRANSACT-SQL) returns the system function of the last inserted Identifier value.
Note: After an insert, select into, or large-capacity copy statement is completed, @ identity contains the last Identifier value generated by the statement.
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
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
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
server| function
Identity (Identity) column, and many people call it the self-add column, in SQL Server 2000, the identity column is defined by identity, and here is an example of a function related to getting the identity value of the last inserted
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
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