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If you incorrectly set the database host in wp-config.php as define('DB_HOST', 'localhost123');, what will happen when you try to access your WordPress site?

medium📝 Predict Output Q5 of 15
Wordpress - WordPress Settings and Configuration
If you incorrectly set the database host in wp-config.php as define('DB_HOST', 'localhost123');, what will happen when you try to access your WordPress site?
AWordPress will create a new database automatically
BThe site will load normally without issues
CWordPress will show a database connection error
DThe site will redirect to the WordPress dashboard
Step-by-Step Solution
Solution:
  1. Step 1: Understand DB_HOST role

    DB_HOST tells WordPress where the database server is located. If incorrect, connection fails.
  2. Step 2: Predict site behavior on wrong host

    With a wrong host, WordPress cannot connect and shows a database connection error message.
  3. Final Answer:

    WordPress will show a database connection error -> Option C
  4. Quick Check:

    Wrong DB_HOST = Connection error [OK]
Quick Trick: DB_HOST must match your database server exactly [OK]
Common Mistakes:
MISTAKES
  • Assuming WordPress creates databases automatically
  • Expecting site to load despite wrong host
  • Thinking site redirects on connection failure

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