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How Can I Efficiently Execute and Combine Multiple MySQL Queries in PHP?

Mary-Kate Olsen
Mary-Kate OlsenOriginal
2024-12-04 09:06:12422browse

How Can I Efficiently Execute and Combine Multiple MySQL Queries in PHP?

Executing Multiple Queries in PHP/MySQL

Problem:

Executing multiple independent queries and combining the results into a single, cohesive result using PHP and MySQL can pose a challenge.

Solutions:

1. mysqli_multi_query()

  • Concatenate the SQL statements with semicolons (;).
  • Use mysqli_multi_query() to execute the multiple queries.
  • Store the results of each query using mysqli_store_result().
  • Loop through each result set, fetch the data, and perform any necessary processing.

Example:

2. Separate Queries

  • Execute each query separately using mysqli_query().
  • Store the results in temporary tables or variables.
  • Combine the results as needed for further processing.

Example:

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