What is timestamp ordering?

The Timestamp Ordering Protocol is used to order the transactions based on their Timestamps. To determine the timestamp of the transaction, this protocol uses system time or logical counter. The lock-based protocol is used to manage the order between conflicting pairs among transactions at the execution time.Click to see full answer. Likewise, what is timestamp in transaction?Timestamp is a unique identifier created by the DBMS to identify the relative starting time of a transaction. Typically, timestamp values are assigned in the order in which the transactions are submitted to the system. So, a timestamp can be thought of as the transaction start time.Similarly, how does timestamp generation take place in distributed database? A timestamp is a unique identifier given by DBMS to a transaction that represents the transaction’s start time. Timestamp-based concurrency control techniques generate serializable schedules such that the equivalent serial schedule is arranged in order of the age of the participating transactions. Thereof, what is Multiversion timestamp ordering? Reed’s multiversion timestamp ordering scheme solves this problem by ordering transactions and aborting transactions that access data out of order. If two transactions access data items in an order that is inconsistent with their time stamps, then one of them is aborted.What is concurrent transaction?“concurrent execution of transaction” means multiple transactions execute/run concurrently in RDBMS with each transaction doing its atomic unit of work for the operations encapsulated in the particular transaction. An update to a table’s row by a transaction needs to have an exclusive access to the concerned row.