?Database As a FortressDan ChakTHE dATABASE iS WHERE All oF THE dATA, both input by your employ- ees and collected from your customers, resides. User interfaces, business and application logic, and eve...
分类：
数据库 时间：
2015-08-09 10:54:29
阅读次数：
219
Description
The Pizazz Pizzeria prides itself in delivering pizzas to its customers as fast as possible. Unfortunately, due to cutbacks, they can afford to hire only one driver to do the deliveries. H...
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其他好文 时间：
2015-08-03 14:30:03
阅读次数：
151
Problem Description
TIANKENG manages a restaurant after graduating from ZCMU, and tens of thousands of customers come to have meal because of its delicious dishes. Today n groups of customers come to...
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其他好文 时间：
2015-08-01 18:57:47
阅读次数：
70
TIANKENG’s restaurantProblem DescriptionTIANKENG manages a restaurant after graduating from ZCMU, and tens of thousands of customers come ...
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其他好文 时间：
2015-08-01 17:12:02
阅读次数：
78
1、把主键定义为自动增长标识符类型在mysql中，如果把表的主键设为auto_increment类型，数据库就会自动为主键赋值。例如：create table customers(id int auto_increment primary key not null, name varchar(15)...
分类：
数据库 时间：
2015-07-30 13:08:13
阅读次数：
150
Suppose that a website contains two tables, theCustomerstable and theOrderstable. Write a SQL query to find all customers who never order anything.Tab...
分类：
数据库 时间：
2015-07-27 12:48:29
阅读次数：
249
批量更新是指在一个事务中更新大批量数据，批量删除是指在一个事务中删除大批量数据。以下程序直接通过Hibernate API批量更新CUSTOMERS表中年龄大于零的所有记录的AGE字段：tx = session.beginTransaction();Iterator customers=sessio...
分类：
Web程序 时间：
2015-07-27 12:34:34
阅读次数：
118
Are you interested in pets? There is a very famous pets shop in the center of the ACM city. There are totally m pets in the shop, numbered from 1 to m. One day, there are n customers in the shop, which...
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其他好文 时间：
2015-07-20 23:38:31
阅读次数：
166
Your Customers Do Not Mean What They SayNate JacksonI’VE NEVER MET A CUSTOMER YET that wasn’t all too happy to tell me what they wanted—usually in great detail. The problem is that customers don’t alwa...
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其他好文 时间：
2015-07-16 09:44:24
阅读次数：
105
Jeff Janes:Hi,As part of our monitoring work for our customers, we stumbled upon an issue with our customers' servers who have a wal_keep_segments set...
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其他好文 时间：
2015-07-13 00:45:29
阅读次数：
201
