Question

How to optimize this SQL query?

In case you have your own slow SQL query, you can optimize it automatically here.

For the query above, the following recommendations will be helpful as part of the SQL tuning process.
You'll find 3 sections below:

Description of the steps you can take to speed up the query.
The optimal indexes for this query, which you can copy and create in your database.
An automatically re-written query you can copy and execute in your database.

The optimization process and recommendations:

Create Optimal Indexes (modified query below): The recommended indexes are an integral part of this optimization effort and should be created before testing the execution duration of the optimized query.

Optimal indexes for this query:

ALTER TABLE `table` ADD INDEX `table_idx_plant` (`plant`);

The optimized query:

SELECT
        table.material 
    FROM
        table 
    WHERE
        table.plant = 10 INTERSECT SELECT
            table.material 
        FROM
            table 
        WHERE
            table.plant = 20 INTERSECT SELECT
                table.material 
            FROM
                table 
            WHERE
                table.plant = 30 INTERSECT SELECT
                    table.material 
                FROM
                    table 
                WHERE
                    table.plant = 40

How to optimize this SQL query?

The optimization process and recommendations:

Optimal indexes for this query:

The optimized query:

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