常見(jiàn)例句With the development of database manegement systems, SQL standardis gradually sophisticating.In the coming SQL3, the concepts of savepoint and partial rollback are specified. 隨著數(shù)據(jù)庫(kù)管理系統(tǒng)的發(fā)展，SQL標(biāo)準(zhǔn)也日漸完備.;在即將推出的SQL3中，明確了保存點(diǎn)和部分回滾的概念A standardis an established criterion or recognized level of excellence regarded as being proper, fitting, or right: standard 一詞是指已建立起來(lái)的標(biāo)準(zhǔn)或公認(rèn)的稱得上是正確、恰當(dāng)或合適的標(biāo)準(zhǔn) 返回 standardiser