1、SQL查询语句常见语法结构2、常见的查询语句3、WHERE 条件查询(4)常见的where 查询实例(5) order by 排序查询的语法结构
2022-03-22 16:41:48
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资源包括：19道SQL语句查询题目及答案、建表SQL语句、题目相关的表截图。答案中除了包含intersect、except关键词的答案，其余都在MySQL上跑过，确保运行无误（MySQL不支持intersect、except关键词），因为脑细胞死得有些多，资源分不少请大家见谅。
题目如下：
Q:Find all customers who have both an account and a loan at the Perryridge branch.(ps:MySQL不支持intersect运算符)
Q:Find the number of depositors for each branch.
Q:Find the names of all branches where the average account balance is more than $1,200.
Q:Find the names of all branches that have greater assets than all branches located in Brooklyn.
Q:Find all accounts with the maximum balance.
Q:Find all branches that have greater assets than some branch located in Brooklyn.
Q:Find all customers who have both an account and a loan at the bank.
Q:Find all customers who have accounts at all branches located in Brooklyn.
Q:Find the average account balance at the Perryridge branch.
Q:Find the number of tuples in the customer relation.
Q:Find the number of depositors in the bank.
Q:Find the number of depositors for each branch.
Q:Find all customers who have a loan at the bank but do not have an account at the bank.
Q:Find all branches where the total account deposit is greater than the average of the total account deposits at all branches.
Q:Find all customers who have both an account and a loan at the bank.
Q:Find all customers who have at most one account at the Perryridge branch.
Q:Provide as a gift for all loan customers of the Perryridge branch, a $200 savings account. Let the loan number serve as the account number for the new savings account.
Q:Increase all accounts with balances over $10,000 by 6%, all other accounts receiver 5%.
2022-03-16 19:51:17
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简单查询语句生成器是用户需要从作为小小的努力和需要尽可能的知识与数据库中提取信息完全免费软件解决方案。它使用户能够提取数据翻译自然语言查询他们创建此程序成正确的可以理解他们是要发送到的数据库的SQL语句。
本人承诺，绝对中文，
2022-02-27 10:22:47
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资源名称：数据库查询语句Access_SQL语句内容简介： 数据库中的数据很多时侯是为了查询的，因此，数据查询是数据库的核心操作。而在SQL语言中，查询命令是SELECT语句。目前关系数据库管理系统都采用SQL语言作为数据库语言，SQL语言成为关系数据库的主流语言。 SQL语言是一种介于关系代数与关系演算之间的结构化查询语言。我们以Access支持的SQL语言来讨论其功能和使用方法。资
资源太大，传百度网盘了，链接在附件中，有需要的同学自取。
2021-12-23 10:39:29
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