What is the most effective defense against SQL injection?

Problem Statement

Explanation

Parameters keep code and data separate. The engine treats the parameter as a literal, not executable SQL. Combine with allow-list validation and least-privilege accounts to layer defenses.

Code Solution

SolutionRead Only

SELECT * FROM users WHERE email = $1; -- bind at driver

Practice Sets

This question appears in the following practice sets:

Security, Backup & Recovery (DBA Essentials)

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What is the most effective defense against SQL injection?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

What is the most effective defense against SQL injection?

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