In query optimization module,the technique of query preprocessing and pulling subquery up is introduced,then the access path selection and the account method of const evaluation are discusse...是什么意思_In query optimization module,the technique of query preprocessing and pulling subquery up is introduced,then the access path selection and the account method of const evaluation are discusse...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句