Question at position 8 A business transaction requires:human intervention.a stored procedure.a trigger.several actions against the database.

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Question at position 8 A business transaction requires:human intervention.a stored procedure.a trigger.several actions against the database.

BlackTom AI · Accepted Answer

First, let's restate the question and the answer options to anchor our analysis.
Question: A business transaction requires: human intervention, a stored procedure, a trigger, several actions against the database.
Options: 1) human intervention. 2) a stored procedure. 3) a trigger. 4) several actions against the database.

Now, examine each option to assess its validity in describing what a business transaction requires.
Option 1: human intervention. While a human might initiate or oversee a transaction, a robust business transaction in database terms should not rely on ongoing manual input or oversight to complete correctly. Transactions are typically designed to be autonomous and reliable, not dependent on ongoing human actions. This makes the statement incomplete as a general requirement for a transaction.

Option 2: a stored procedure. Stored procedures encapsulate logic on the database server, which can be used to perform parts of a transaction. They help enforce business rules and ensure consistent behavior, but the mere existence of a stored procedure does not alone define what a transaction requires. A transaction could involve multiple statements across tables, and may be initiated or controlled by application logic rather than solely by a stored procedure.

Option 3: a trigger. Triggers are event-driven database objects that automatically execute in response to data modification events (insert/update/delete). While they can participate in enforcing business rules within a transaction, they are not inherently a universal requirement for every business transaction. Relying on triggers alone does not capture the full scope of what a transaction requires, and many systems implement transactions without using triggers.

Option 4: several actions against the database. The phrase "several actions against the database" captures the essence that a business transaction typically comprises multiple operations that must be performed atomically and consistently—such as updating multiple tables, inserting related records, and maintaining integrity constraints. This aligns with the core concept of a transactional unit: a sequence of actions that should all succeed or fail together to preserve data integrity. The plural nature of actions reflects the complexity often involved in real-world transactions, distinguishing it from single-action operations.

In terms of misconceptions, Option 1 overemphasizes human involvement, which is not a defining requirement of a transaction. Option 2 focuses on a single construct (stored procedure) but ignores that transactions can span multiple statements and objects, and can be controlled by various layers. Option 3 centers on a trigger, which is a specific mechanism but not a universal requirement for transactions. Option 4 correctly emphasizes the multi-action, atomic nature of typical business transactions, which is the most accurate characterization among the choices.

Question at position 8 A business transaction requires:human intervention.a stored procedure.a trigger.several actions against the database.

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