What are Included Columns in SQL Server ?

What are Included Columns?

  • Included column is a ” SQL 2005 ” new feature.
  • Creating an index to include non key columns.
  • We have a restriction of 900 bytes for index keys and also we can include only 16 columns in a composite index.
  • Using included index we can create non clustered indexes that cover more columns in a query.
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