Sep 12, 2024 · EXPLAIN returns the query plan for a Microsoft Azure Synapse Analytics SQL statement without running the statement.

Mar 14, 2023 · In SQL, the EXPLAIN keyword provides a description of how the SQL queries are executed by the databases. These descriptions include the optimizer logs, how tables are joined and …

Mar 6, 2025 · Knowing how to interpret the output of EXPLAIN is crucial for optimizing SQL queries. Let’s dive deeper into specific scenarios where EXPLAIN can guide you toward optimization.

The DESCRIBE and EXPLAIN statements are synonyms. In practice, the DESCRIBE keyword is more often used to obtain information about table structure, whereas EXPLAIN is used to obtain a query …

When you prepend an SQL statement with the keyword EXPLAIN, the database returns a detailed description of its execution strategy instead of the actual results. This helps database administrators …

Nov 13, 2025 · Although EXPLAIN will discard any output that a SELECT would return, other side effects of the statement will happen as usual. If you wish to use EXPLAIN ANALYZE on an INSERT, …

The `EXPLAIN` keyword is primarily used to diagnose and optimize SQL queries by showing details like table scans and index usage. It is placed before a query to reveal the execution strategy MySQL will …

By showing the query execution plan, EXPLAIN helps in identifying whether a query can make use of an index, the type of join used, estimated rows examined by the plan, and other information that can …

Oct 29, 2024 · In this guide, you will understand what an EXPLAIN query is, what data it generates, and which databases support this command. Let's dive in! What Is SQL EXPLAIN? The EXPLAIN …

Aug 28, 2024 · Discover how to optimize your database queries using the SQL EXPLAIN statement. Learn techniques for analyzing and improving query performance in this detailed guide.