请输入您要查询的字词:
单词
SQL语言
释义
SQL语言
Encyclopedia
理学
数据库系统
释
structured query language
SQL语言
一种介于关系代数和关系演算之间的关系查询语言,它是一种关系数据库领域定制的、用于数据库查询和程序设计的语言,用于存取数据以及查询、更新和管理关系数据库系统。
随便看
water-lily family
waterline
water-line section
water-logged compost
water logging
waterlogging
waterlogging control calculation
waterlogging control planning
waterlogging design
waterlogging disaster
waterlogging disaster in China
Waterloo Bridge
water loop heat pump system
water loss
water loss and soil erosion of highway
water loss rate of steam heat-supply system
Water lotus
water-loving
water management
water management in ancient China
water management in field
water management institutions in Britain
water management institutions in Cambodia
water management institutions in Laos
water management institutions in Mongolia
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/22 2:33:41