Interview Questions

1. Explain the structure of Index in SQL server?

An index is structured by the SQL Server Index Manager as a balanced tree (or Btree). A B-tree is similar to an upside-down tree, means with the root of the tree at the top, the leaf levels at the bottom, and intermediate levels in between.

Each object in the tree structure is a group of sorted index keys called an index page. All search requests begin at the root of a B-tree and then move through the tree to the appropriate leaf level.

By Hena Parveen 2 0
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