What is a disadvantage of using a relational database instead of a flat file to store, organize, and analyze data? A. It is difficult to access information in a relational database.
B. It is difficult to avoid creating duplicate information in a relational database.
C. It is difficult to filter information in a relational database.
D. It is difficult to use a relational database without prior knowledge.

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is [email protected] -

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.

2. fabulously fit offers memberships for$35 per month plus a $50 enrollmentfee. the fitness studio offersmemberships for $40 per month plus a$35 enrollment fee. in how many monthswill the fitness clubs cost the same? what will the cost be?