DBT: 4 Indexing Basics

Practice questions on search keys, dense/sparse indices, multilevel indexing, clustering, and index trade-offs.

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Question 1

1 point(s)

What is a 'Search Key' in the context of database indexing?

The primary key of the table.

An attribute or set of attributes used to look up records in a file.

A hidden pointer used by the operating system.

The physical address of a block on the disk.