将MySQL迁移到Microsoft SQL Server 2000 (二)-数据库相关-PHP教程
用于数据迁移的 MySQL 工具
MySQL 提供了几个客户端工具和实用程序,最常用的有: mysql - 一个交互式客户程序,可以对数据库发布查询并查看结果 mysqldump - 此工具可以提取 MySQL 数据库中的架构和数据,并放到一个文件中 mysqlimport - 此工具可以读取文件中的架构和数据,并放到一个 MySQL 数据库中 mysqladmin - 此工具可以执行管理任务,比如创建数据库和删除数据库 myODBC - 一个 32 位的开放式数据库连接软件,可提供 ODBC 级别 0(有级别 1 和级别 2 的功能)驱动程序,用于将 ODBC 识别的应用程序连接到 MySQL SQL Server 的迁移工具
SQL Server 有一组丰富的工具和实用程序,可以简化从 MySQL 的迁移。SQL Server 2000 数据转换服务 (DTS) 是一组图形化工具和可编程对象,用于从各种来源提取、转换和合并数据到一个或多个目标。
数据转换服务的功能
Microsoft SQL Server 2000 中的数据转换服务提供了从不同数据源迁移数据的方法。DTS 可以用向导程序驱动,也可以用 DTS 程序包设计器创建。DTS 向导可以快速完成数据直接复制。程序包设计器允许开发人员用多种编程语言编写自定义转换脚本。DTS 工具允许您: 将数据从 MySQL 迁移到 SQL Server 2000 在迁移前显示数据 迁移数据表、数据类型,例如文本和日期 用 MySQL 数据表迁移 MySQL 数据库 生成并查看迁移报告 自定义数据表和默认的数据类型映射规则 解决冲突,比如 SQL Server 保留字冲突 删除并重命名 SQL Server 架构模型中的对象 迁移单个数据表数据 数据转换服务术语
以下是用于描述 DTS 的术语:
DTS 程序包是一个连接、DTS 任务、DTS 转换以及工作流约束的有组织的集合,可以在 DTS 设计器中用图形化方式或用编程方式汇编在一起。
DTS 任务是一个分立的功能集合,在程序包中单步执行。每个任务都定义一个数据移动和数据转换过程中要执行的工作项目,或者一个要执行的作业。
DTS 转换是数据到达目的地之前要对它应用的一个或多个功能或操作。
DTS 程序包工作流允许数据转换服务 (DTS) 逐步运行,由优先约束对 DTS 程序包中的工作项目进行排序。您可以在 DTS 设计器中用图形方式设计 DTS 数据包工作流,也可用编程方式设计。
元数据为 DTS 提供的功能可以将程序包元数据和数据沿袭信息保存到元数据服务,并链接那些信息类型。您可以存储程序包中引用的数据库的类别元数据,以及统计与数据集市或数据仓库中特定数据行有关的历史信息。

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