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Which $wpdb method should you use to safely insert data into a custom table?

easy📝 Conceptual Q2 of 15
Wordpress - WordPress Query and Database
Which $wpdb method should you use to safely insert data into a custom table?
A<code>$wpdb->prepare()</code>
B<code>$wpdb->get_var()</code>
C<code>$wpdb->query()</code>
D<code>$wpdb->insert()</code>
Step-by-Step Solution
Solution:

  1. Step 1: Identify method for inserting data

    insert() is designed to add new rows safely.

  2. Step 2: Understand other methods

    get_var() fetches a single value, query() runs raw SQL, prepare() prepares SQL but does not execute.

  3. Final Answer:

    $wpdb->insert() -> Option D

  4. Quick Check:

    Insert data safely = insert() [OK]
Quick Trick: Use insert() to add rows safely without manual SQL [OK]
Common Mistakes:
  • Using query() for inserts
  • Confusing prepare() with insert()
  • Using get_var() for insertion

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