TestBallCollisions-Like in the previous chapter testing the ball collisions is the most useful unit test.

But by rule 2, you can't write very much of that unit test.

根据规则2,在unittest中, 你不能编写太多的内容.

Unit Test Package with VB source code integrity, and can be used directly.

单元测试封装用VB源代码的完整性, 并可以直接使用.

This is the heart of a unit test.

这是单元测试的核心.

Linear said the simplest and most commonly used as a data structure.

线性表示最常用且最简单的一种数据结构.

On a data structure and algorithms books, containing source code.

一本关于数据结构和算法的书, 内含源码.

CRPSL add priority and abstract area using skip lists data structure.

CRPSL是在跳表数据结构的基础上增加了权值域和摘要域构造而成.

Creates both a relation and foreign key constraint ( see below for descriptions ).

建立关联与外部索引键条件约束 ( 请参阅以下描述 ).

Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.

未能启用约束. 一行或多行中包含违反非空 、 唯一或外键约束的值.

With foreign key associations , you can use both Methods: To change create or modify relationships.

通过外键关联, 可以使用两种方法更改创建或修改关系.

Creating a relationship also creates a foreign-key constraint that is added to the child table.

建立关联性的同时,也会建立要加入至子资料表的外部索引键条件约束.

A primary key of a table can be a foreign key in any other table.

主键的表可以是外键,在任何其他表.

Filters that are created for each foreign key or Boolean fields.

可提供针对每个外键或针对布尔型字段创建的筛选器.

With independent associations, you cannot use the foreign key property.

使用独立关联, 则不能使用外键属性.

Include foreign key columns as properties on entity types.

将外键列作为属性包括在实体类型中.

The foreign key constraint is applied when you save the table.

当保存该表时应用外键约束.

However, you can change the order of columns after the primary key is created.

但是, 可在创建主键后更改列的顺序.

Defining the table's primary key ( after creating columns ).

在创建列后 定义表 的主键.

Right-click the column you want to set as the primary key.

右击要将其设置为主键的列.

This index requires each value in the primary key to be unique.

该索引要求主键中的每个值都唯一.

Right-click the row selector for the column and select Set Primary Key.

右击该列的行选择器,然后选择“设置主键”.