Column Vs Row store index?

Question

Can a brief overview of Column Store Indexu be given Row Store Index?

I searched through the Internet and got confused, they say what Indexcan be applied to Field(Column), and also say what exists Row Store Index?

Need to clarify.

Many thanks!

Answer 1

In SQL Server, until 2012, all indexes were a row store, you specify which fields you want to index, and the value of the rows is evaluated to improve performance (oversimplified). These indexes speed up searching / filtering strings.

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