Which statement best describes a clustered index in systems that support it (e.g., SQL Server)?

Problem Statement

Explanation

A clustered index makes the table pages follow the index order, so range scans on that key are very efficient. There can be only one clustered index. It may slow random inserts into the middle of the key space.

Code Solution

SolutionRead Only

-- SQL Server
CREATE CLUSTERED INDEX cix_orders ON orders(order_date, id);

Practice Sets

This question appears in the following practice sets:

Indexing Strategies & Access Paths

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Which statement best describes a clustered index in systems that support it (e.g., SQL Server)?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Which statement best describes a clustered index in systems that support it (e.g., SQL Server)?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime