Intermediate SQL Color Coded SQL, UNIX and Database Essays


Read inconsistent queries in ORACLE database ? Sure, why not!

Read consistency is one of the coolest features of ORACLE database.

In a nutshell, it means that your queries (at least, logically) do not pay attention to the outside world. I.e. your tables may be hit with thousands of changes per second, but your query will ignore all the hoopla and will always see only the data that existed when the query started.