Description: Read uncommitted is a transaction isolation level in databases that allows a transaction to read data that has been modified by other transactions, even if those transactions have not been committed. This approach is used to improve efficiency and performance in systems where speed of data access is critical. Unlike other isolation levels, such as ‘Read committed’ or ‘Repeatable read’, which ensure that the data read is consistent and committed, ‘Read uncommitted’ can lead to situations where the data read changes before the transaction that read it is completed. This can result in inconsistent reads, but it also allows transactions to execute more quickly, as they do not block each other. This isolation level is particularly useful in applications where speed is more important than absolute data accuracy, such as in real-time analytics systems or in various data-driven applications where quick decisions are essential. However, its use must be carefully considered, as it can introduce data integrity issues if not managed properly.
