ROLLBACK TRANSACTION without a savepoint_name or transaction_name rolls back to the beginning of the transaction. When nesting transactions, this same statement rolls back all inner transactions to the outermost BEGIN TRANSACTION statement.
What are the requirements for a rollback transaction?
The variable must be declared with a char, varchar, nchar, or nvarchar data type. A ROLLBACK TRANSACTION statement does not produce any messages to the user. If warnings are needed in stored procedures or triggers, use the RAISERROR or PRINT statements. RAISERROR is the preferred statement for indicating errors.
Can an explicit transaction rollback a transaction but not revert the identity?
Once the rollback completes, SQL Server removes the data rows, but still, identity value is set to 4. If we insert a new row in the demo table, it gets the next identity value 5. This demonstration shows that an explicit transaction rollbacks a transaction, but it cannot revert the identity value.
Why can’t I run the rollback statement once a transaction commits?
Once SQL Server commits a transaction, you cannot run the ROLLBACK statement. Each rollback statement should have an association with the BEGIN Transaction statement. Let’s go back to the SSMS option and in a new query window, use the option SET IMPLICIT_TRANSACTION ON before starting a transaction.
What is rollback in Salesforce?
Rolls back a transaction from a pending state, and specifies the transaction or savepoint name. Rolls back a transaction from a pending state. An error occurred while trying to commit the transaction. The transaction has already been committed or rolled back.
Does rollback transaction reference a SAVEPOINT_name in distributed transactions?
ROLLBACK TRANSACTION savepoint_name does not decrement @@TRANCOUNT. ROLLBACK TRANSACTION cannot reference a savepoint_name in distributed transactions started either explicitly with BEGIN DISTRIBUTED TRANSACTION or escalated from a local transaction.
