Explain a query

sql

EXPLAIN
SELECT *
FROM orders
WHERE customer_id = 42;

Explanation

EXPLAIN reveals how the optimizer plans to execute the query.

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 Execution Plans

Run a query and collect timing or actual row information where supported.

Open In sheetsqlsame section

Update table statistics for better planning.

Open In sheetsqlsame section

Speed up frequent equality or range predicates.

Open In sheetsql1 tag match

Paginate by a stable cursor instead of a large OFFSET.

Open In sheetsql1 tag match

Preserve index usability in predicates.

Open In sheetsql1 tag match

Detect repeated values that should be unique.