Answer:
Lock
Explanation:
Locks is a mechanism to avoid the access of records from interacting with one another either in the form of user objects for example tables and/or rows or system objects not cannot be seen by the user such as data shared in memory.
The system (Oracle) obtains all the required locks when executing the transaction request so as to avoid any hassle faced by the user and so that they don't require to be bothered by it. This way the system provides both highest degree of data monitoring with lowest restriction.
Moreover, a fail safe data integrity is provided by the system in case of any failure. This lock can also be done manually by the user.
The question is incomplete:
When sales are made in a local Walmart, the sales data is sent to Walmart headquarters where the data are used to build a picture of the buying habits of people who shop at individual Walmarts across the nation. The use of ________ makes this possible.
A) POS systems
B) social shopping
C) e-commerce
D) e-menus
E) direct selling
Answer:
A) POS systems
Explanation:
-POS System refers to the equipment and software that retailers use in their stores to register the sales. This system has the information about the sales, the inventories and CRM.
-Social shopping is a method that is used for online shopping that tries to involve friends in the purchasing experience.
-E-commerce refers to purchasing and selling goods online.
-E-menus is a system used by restaurants that allows to order food through an electronic device.
-Direct selling refers to selling directly to consumers without using intermediaries.
According to this, the answer is that the use of POS systems makes this possible because these systems have the information from stores like sales and inventory that allows to analize people's buying habits.
Interesting thing you’re doing lol
Limited government licences that create a monopoly do so because a barrier to enter the market exists.
Monopoly can be established by the government by a form of integration or form naturally, it can preserve excess profit because barriers to entry prevent competitors from entering the market.
