How do I get the last INSERT ID from a specific table?
If you are AUTO_INCREMENT with column, then you can use last_insert_id() method. This method gets the ID of the last inserted record in MySQL. Insert some records in the table using insert command. Display all records from the table using select statement.
What will be the value of Last_insert_id () for the newly created table?
With no argument, LAST_INSERT_ID() returns a 64-bit value representing the first automatically generated value successfully inserted for an AUTO_INCREMENT column as a result of the most recently executed INSERT statement. The value of LAST_INSERT_ID() remains unchanged if no rows are successfully inserted.
How to get last identity inserted value in SQL Server?
*/ SELECT @@ IDENTITY as LastIdentityValue; In above example, even though the last Identity insert was done on StudentHistory table through a trigger, SCOPE_IDENTITY functions returns correct value i.e. “2” from Student table whereas @@IDENTITY function returns “1” from StudentHistory table considering any scope and same session.
How to insert an identity into a table?
(Side note: Access uses this function, and thus has some issues with triggers that insert values into tables with identity columns.) Using MAX () or TOP 1 can give you entirely wrong results if the table has a negative identity step, or has had rows inserted with SET IDENTITY_INSERT in play.
How to get last record ID from table?
Any technique of asking for the maximum value / top 1 suffers a race condition where 2 people adding at the same time, would then get the same ID back when they looked for the highest ID. But the first one will be more efficient because no index scan is needed (if you have index on Id column).
When to use identity column in SQL Server?
@@IDENTITY – since this can’t be used in all scenarios, for example when a table with an identity column has a trigger that also inserts into another table with its own identity column – you will get the wrong value back.