Chapter 7 - Problem 7. 22, p330 Whitlock Department Stores runs a multi user DBMS ON a LAN file server. Unfortunately, at the present tale ole
DBMS does not enforce concurrency control Onc Whitlock customer had a balance due of $500
when the following three transactions related to this customer were
processed at about the same time:
• Payment of $500
• Purchase on credit of $100
- Merchandise return (credit) of $50

by trying your best others ^_^

but don't try sending them fake answer, it must to be real answer.

the reason why you must not send them fake answer cause the experts and the questioner will moderate you and if they find out its fake they will report your to the owner of this website which its called

explanation:

ιт ιѕ ωнєи ѕσмєσиє ρυтѕ ιи α ¢σ∂є σя ѕσмєтнιиg тнαт вяιиgѕ α νιяυѕ, σя мєѕѕєѕ уσυя gαмє υρ, σя αℓℓσωѕ тнєм тσ ¢нєαт.

αи∂ уєѕ ι нανє вєєи нα¢кє∂ вєfσяє(ιт αιит fυи)

нσρє ι ¢συℓ∂ нєℓρ уσυ.

answersecurity intrusion;