Tran-Duc-Hoa/cons-of-sql.md

Created October 7, 2025 10:04

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Cons of SQL

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cons-of-sql.md

Con	Description
Vertical Scaling	SQL databases typically scale vertically (adding more CPU/RAM to a single server). This is expensive and eventually hits a hardware ceiling.
Rigid Schema	The need for a predefined, fixed schema means changing the data structure (e.g., adding a new column) can be complex, time-consuming, and potentially disruptive, especially on large datasets.
Handling Unstructured Data	They are poorly suited for storing and querying unstructured data (like JSON documents or images) as all data must fit into the tabular format.

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