Disadvantages of the database

Security is not enough to add a user-level password is easy to crack

C/S structure of the server requirements are very high, otherwise it is easy to cause damage to the MDB concurrency 255, but poor adaptability to high-intensity operations, if the server is not good enough, the network is not good enough, the programming method is not good enough, 6-7 people at the same time access to the MDB can lead to damage or death and can not be VBA code developed by the software system directly compiled into an EXE executable file, can not be separated from the ACCESS or ACCESS RUNTIME environment. Software systems developed by VBA code can not be compiled directly into EXE executable files, can not be separated from the ACCESS or ACCESS RUNTIME environment, the environment is relatively large relative to other software volume (about 50M)