Select Scope_identity As Generated Keys
Works for SQL Server - but only if you have a primary key of type INT IDENTITY (or BIGINT IDENTITY) - any other type of PK (like a GUID or something else) is not supported by SCOPEIDENTITY – marcs Dec 12 '11 at 19:01. Getting the identity of the most recently added record. Of an autoincrement column that is generated on the. Would have you append Select ScopeIdentity to.
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Date: November 10, 2006 05:17PM
cmd.CommandText = 'insert into Schedule (sTitle, sDescription) values ('my sched', 'all about it')';
cmd.CommandText += '; select scope_identity()';
object rtn = cmd.ExecuteScalar();
return (long)(decimal)rtn;
Is there a way to do this in MySql and if so, how?
thanks - dave
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-->Returns the last identity value inserted into an identity column in the same scope. A scope is a module: a stored procedure, trigger, function, or batch. Therefore, if two statements are in the same stored procedure, function, or batch, they are in the same scope.
Syntax
Return Types
numeric(38,0)
Remarks
Select Scope_identity As Generated Keys In Excel
SCOPE_IDENTITY, IDENT_CURRENT, and @@IDENTITY are similar functions because they return values that are inserted into identity columns.
IDENT_CURRENT is not limited by scope and session; it is limited to a specified table. IDENT_CURRENT returns the value generated for a specific table in any session and any scope. For more information, see IDENT_CURRENT (Transact-SQL).
SCOPE_IDENTITY and @@IDENTITY return the last identity values that are generated in any table in the current session. However, SCOPE_IDENTITY returns values inserted only within the current scope; @@IDENTITY is not limited to a specific scope.
For example, there are two tables, T1 and T2, and an INSERT trigger is defined on T1. When a row is inserted to T1, the trigger fires and inserts a row in T2. This scenario illustrates two scopes: the insert on T1, and the insert on T2 by the trigger.
Assuming that both T1 and T2 have identity columns, @@IDENTITY and SCOPE_IDENTITY return different values at the end of an INSERT statement on T1. @@IDENTITY returns the last identity column value inserted across any scope in the current session. This is the value inserted in T2. SCOPE_IDENTITY() returns the IDENTITY value inserted in T1. This was the last insert that occurred in the same scope. The SCOPE_IDENTITY() function returns the null value if the function is invoked before any INSERT statements into an identity column occur in the scope.
Failed statements and transactions can change the current identity for a table and create gaps in the identity column values. The identity value is never rolled back even though the transaction that tried to insert the value into the table is not committed. For example, if an INSERT statement fails because of an IGNORE_DUP_KEY violation, the current identity value for the table is still incremented.
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Examples
A. Using @@IDENTITY and SCOPE_IDENTITY with triggers
The following example creates two tables, TZ and TY, and an INSERT trigger on TZ. When a row is inserted to table TZ, the trigger (Ztrig) fires and inserts a row in TY.
Result set: This is how table TZ looks.
Sql Select Scope Identity
Result set: This is how TY looks:
Select Scope_identity As Generated Keys In Windows 10
Create the trigger that inserts a row in table TY when a row is inserted in table TZ.
FIRE the trigger and determine what identity values you obtain with the @@IDENTITY and SCOPE_IDENTITY functions.
Select Scope_identity As Generated Keys 2016
Here is the result set.
B. Using @@IDENTITY and SCOPE_IDENTITY() with replication
The following examples show how to use @@IDENTITY and SCOPE_IDENTITY() for inserts in a database that is published for merge replication. Both tables in the examples are in the AdventureWorks2012 sample database: Person.ContactType is not published, and Sales.Customer is published. Merge replication adds triggers to tables that are published. Therefore, @@IDENTITY can return the value from the insert into a replication system table instead of the insert into a user table.
The Person.ContactType table has a maximum identity value of 20. If you insert a row into the table, @@IDENTITY and SCOPE_IDENTITY() return the same value.
Select Scope_identity As Generated Keys 2017
Here is the result set.
The Sales.Customer table has a maximum identity value of 29483. If you insert a row into the table, @@IDENTITY and SCOPE_IDENTITY() return different values. SCOPE_IDENTITY() returns the value from the insert into the user table, whereas @@IDENTITY returns the value from the insert into the replication system table. Use SCOPE_IDENTITY() for applications that require access to the inserted identity value.
Here is the result set.