18th November 2019

wikipedia
15

What is an atomic operation?

In concurrent programming, an operation (or set of operations) is atomic, linearizable, indivisible or uninterruptible if it appears to the rest of the system to occur at once without being interrupted. Atomicity is a guarantee of isolation from interrupts, signals, concurrent processes and threads.

Also asked, what is an atomic value in database?

An atomic value is a value that cannot be divided. For example, in the table shown below, the values in the [Color] column in the first row can be divided into "red" and "green", hence [TABLE_PRODUCT] is not in 1NF. A repeating group means that a table contains two or more columns that are closely related.

What is an atomic field in database?

From Wikipedia, the free encyclopedia. First normal form (1NF) is a property of a relation in a relational database. A relation is in first normal form if and only if the domain of each attribute contains only atomic (indivisible) values, and the value of each attribute contains only a single value from that domain.

What does the term Atomic mean in the context of relational databases?

Atomicity in relational databases means that operations (DMLs/DDLs etc) executed by the database will be atomic. The unit of atomicity usually provided by relational databases is a Transaction. Operations grouped into a single transaction execute as one large single atomic workload.
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