Question $22($Mandatory$)(1$ point$)$

Mollie's company is having problems with their data integrity because multiple database users sometimes access and alter a record at the same time. A database management system could eliminate these problems by implementing

a$)$ a logical access path

b$)$ concurrency control

C$)$ data definition languages

d$)$ a schema

Question $23($Mandatory$)(1$ point$)$