Can we scale Relational Database? If Yes then how I can horizontally scale my Relational Database?
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Since, horizontal scaling generally refers to adding up additional nodes/servers/databases, it is usually not considered to horizontally scale up a RDBMS especially if this is not managed from the start.
It is much easier to horizontally scale up noSql databases.
However, you could do Partitioning (if your db supports) as an alternate to scale up the performance.
RDBMS systems are generally designed to scale up vertically which could mean upgrading the machine/server that hosts the database.
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