Respuesta :
In this case, we just take into account the two bill attributes of Customer id and date, which are stored in a database using a Key-Value store.
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Briefing :
In this article, we primarily focus on the Customer id and date bill attributes, which use a key-value store in a database to hold bill information. It includes a number of Key data object. With a special key and then a pointer to a specific piece of data, it stores the information as a hash table. When data needs to be quickly retrieved and would need to be queried with limitations, key-value stores are utilized.
Here, concurrency only applies to a single key and is typically provided as optimistic writes or eventually consistent. Since the Key is believed to be in a single System, we utilize the Key Master. Therefore, by using the same example here for bills, the customer id is assumed to be the key master, and the DBMS can really be unaware of the attributes and store these information as a blob before giving it over to the server side and depending on it to handle it. Therefore, when you encounter a concurrency problem, employing a key-value store makes it affordable to manage (one request for reading and one request for writing) (you only need to resolve a single key).
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