In the context of SQL, what does the READ ONLY access mode allow?

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BlackTom AI · Accepted Answer

The question asks about the READ ONLY access mode in SQL and what it permits users to do.
First, the provided content includes the prompt: 'In the context of SQL, what does the READ ONLY access mode allow?' and a single listed answer: 'Only retrieval of data from the database'.
Observing that there are no alternative answer options supplied, we cannot compare or contrast multiple interpretations of READ ONLY.
Nonetheless, we can analyze the concept itself: READ ONLY generally means that queries can fetch data, but no data manipulation operations are allowed. Practically, that implies you can perform SELECT statements to retrieve data, but you cannot INSERT, UPDATE, or DELETE rows, nor alter schema with DDL statements, depending on the exact system and permissions.
Why this option aligns with the standard interpretation: access modes labeled READ ONLY are designed to restrict modifications, locking the user to data retrieval activities. This matches the idea of there being no write privileges.
Why other hypothetical options would be incorrect in typical SQL contexts: if an option claimed that READ ONLY allowed data modification, that would contradict the fundamental meaning of 'read only'. If an option suggested that it grants both read and write access, or only applies to reads of certain tables while excluding others, those would introduce inconsistencies with the general, broad usage of the term READ ONLY unless the system explicitly differentiates granular permissions.
Given the absence of additional options to evaluate, the single stated option remains consistent with the conventional understanding of READ ONLY access mode, which is to permit data retrieval while restricting any data modification actions.
Note: if there were options about transactional behavior, isolation levels, or read-only transactions at different scopes (session, transaction, or database), those would require careful comparison to determine exact permissions and how they interact with READ ONLY semantics.

CS3200.MERGED.SU-1-2025

In the context of SQL, what does the READ ONLY access mode allow?

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