第7章 目录和文件操作.ppt

* SAY THIS: Example: “PREPARING TO BUILD A HOUSE.” Looking at the various models leading up to the construction of a house, one usually begins with a sketch of the proposed dwelling. This may be followed by a miniature scale model of the house. Finally, the blueprints are rendered which provide the technical specifications and the mechanical requirements for the builders. Each model gets reviewed and approved before the next stage begins, offering several opportunities to consider design improvements before groundbreaking. Using ERwin, our model creates the Database Schema for the database which will house our data. * * SAY THIS: Example: “PREPARING TO BUILD A HOUSE.” Looking at the various models leading up to the construction of a house, one usually begins with a sketch of the proposed dwelling. This may be followed by a miniature scale model of the house. Finally, the blueprints are rendered which provide the technical specifications and the mechanical requirements for the builders. Each model gets reviewed and approved before the next stage begins, offering several opportunities to consider design improvements before groundbreaking. Using ERwin, our model creates the Database Schema for the database which will house our data. * SAY THIS: Example: “PREPARING TO BUILD A HOUSE.” Looking at the various models leading up to the construction of a house, one usually begins with a sketch of the proposed dwelling. This may be followed by a miniature scale model of the house. Finally, the blueprints are rendered which provide the technical specifications and the mechanical requirements for the builders. Each model gets reviewed and approved before the next stage begins, offering several opportunities to consider design improvements before groundbreaking. Using ERwin, our model creates the Database Schema for the database which will house our data. * SAY THIS: Example: “PREPARING TO BUILD A HOUSE.” Looking at the various models leading up to the construction of a hou