Create a composite index

sql

CREATE INDEX idx_orders_status_created_at ON orders (status, created_at DESC);

Explanation

Descending indexes can help mixed sort-order workloads and order-sensitive queries in modern MySQL.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing MySQL index patterns

Practical route for function-based searches.

Open In sheetsqlsame section

Test an index without making it visible to the optimizer by default.

Open In sheetsqlsame section

Hide or re-enable an index without dropping it.

Open In sheetsqlsame section

See whether the optimizer chooses your index.

Open In sheetsql1 tag match

Help the optimizer make better choices after major data changes.

Open In sheetsql1 tag match

Diagnostic tool for checking alternate index paths.

Open In sheetsql1 tag match