Then the technique of query preprocessing and pulling sub query up is introduced.Finally, the access path selection and the account method of const evaluation are discussed in detail.是什么意思_Then the technique of query preprocessing and pulling sub query up is introduced.Finally, the access path selection and the account method of const evaluation are discussed in detail.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句