Why can too many indexes slow down an OLTP workload?

Problem Statement

Explanation

Every data change must keep indexes in sync. More indexes mean more writes, page splits, and log records. Index only where you gain more on reads than you lose on writes.

Code Solution

SolutionRead Only

/* Review index usage and drop unused ones */

Practice Sets

This question appears in the following practice sets:

Indexing Strategies & Access Paths

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Why can too many indexes slow down an OLTP workload?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Why can too many indexes slow down an OLTP workload?

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