Performance Implications-Transactions
It is generally not faster to commit frequently—it is almost always faster to do the work in a single SQL statement. […]
Read More →It is generally not faster to commit frequently—it is almost always faster to do the work in a single SQL statement. […]
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READ ONLY transactions are very similar to SERIALIZABLE transactions, the only difference being that they do not allow modifications, so they […]
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The ANSI/ISO SQL standard defines four levels of transaction isolation, with different possible outcomes for the same transaction scenario. That is, […]
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The Oracle database has supported autonomous transactions internally for quite a while. We see them all of the time in the […]
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The READ COMMITTED isolation level states that a transaction may only read data that has been committed in the database. There […]
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The READ UNCOMMITTED isolation level allows dirty reads. Oracle does not make use of dirty reads, nor does it even allow […]
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