This documentation has been retired and might not be updated. The products, services, or technologies mentioned in this content are no longer supported. See EXPLAIN.
EXPLAIN [EXTENDED | CODEGEN] statement
Provide detailed plan information about
statement without actually running it. By default this only outputs information about the physical plan. Explaining
DESCRIBE TABLE is not supported.
Output information about the logical plan before and after analysis and optimization.
Output the generated code for the statement, if any.