What risk comes with using a WITH (NOLOCK) or READ UNCOMMITTED hint in a reporting query?

Problem Statement

Explanation

At the lowest isolation, reads can observe rows that roll back or scan through changing pages. You can get inconsistent counts, duplicates, or missed rows. Prefer Snapshot or Read Committed Snapshot where available for non-blocking reads with consistent results.

Code Solution

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SELECT * FROM Orders WITH (NOLOCK);

Practice Sets

This question appears in the following practice sets:

Transactions, Isolation & Concurrency Control

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What risk comes with using a WITH (NOLOCK) or READ UNCOMMITTED hint in a reporting query?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

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

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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

What risk comes with using a WITH (NOLOCK) or READ UNCOMMITTED hint in a reporting query?

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