27 окт. 2010 г. · Repeatable read is a higher isolation level, that in addition to the guarantees of the read committed level, it also guarantees that any data read cannot ...

15 июн. 2012 г. · A non-repeatable read occurs, when during the course of a transaction, a row is retrieved twice and the values within the row differ between reads.

11 дек. 2019 г. · To get affected by the Repeatable Read isolation level, you must be inside the same transaction. This means that your two selects must be inside ...

14 окт. 2019 г. · Here author warns that we have to use REPEATABLE READ isolation level or higher to be able to read versions second time.

4 апр. 2019 г. · A phantom read has occurred if you run the same query twice (or two queries seeking the same data), and you get different results.

18 мар. 2019 г. · "Repeatable read" guarantees only that if multiple queries within the transaction read the same rows, then they will see the same data each time.

1 окт. 2022 г. · I cannot differentiate between read skew and non-repeatable read and basically, it seems like both can be prevented with REPEATABLE READ or SERIALIZABLE ...

5 июн. 2015 г. · No. Repeatable read is snapshot isolation. It means your transaction sees a single consistent "snapshot" of the database. It is not full serializability.

18 апр. 2020 г. · Repeatable read differs from read committed (locking version) as it retains the S locks on rows matching the WHERE clause rather than releasing them as soon as ...

18 авг. 2013 г. · Non-repeatable read consists in reading two different committed values, whereas dirty read consists in reading a value that hasn't been committed yet.