Although it's too early in the year to know what the best one is and there are many, in 2015 the most powerful GPUs were the EVGA GeForce Titan X, the Zotac GeForce GTX 980Ti and the <span>Gigabyte Radeon R9 Fury X.</span>
Answer: Multi-user issue
Explanation: A database management system scheme can have multi-user issue when the designing of the system is not made properly. The multi user issue rises when the users concurrently access the data from the database and related error get invoked due to some reason like repeatable reading issue, serialization, etc.
The reading problem is usually can be related to reading of the database in uncommitted manner, uncommitted reading, repeatedly reading etc.Thus, Cora and Owen are accessing the database concurrently which can create multi-user issue.
Roadway system would be the ebst choice