MySQL 8.4 Release Notes
DESCRIBE 和 EXPLAIN语句是同义词,用于获取关于表结构或查询执行计划的信息。更多信息请参见 Section 15.7.7.6, “SHOW COLUMNS Statement”, and 第 15.8.2 节, “EXPLAIN Statement”。The DESCRIBE and
EXPLAIN statements are synonyms,
used either to obtain information about table structure or query
execution plans. For more information, see
Section 15.7.7.6, “SHOW COLUMNS Statement”, and Section 15.8.2, “EXPLAIN Statement”.