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In this paper, the practical everyday needs of library search system, through the C / S mode, PowerBuilder6.5 development tools, databases and SQL language, in-depth study and practice, mainly books and materials to complete a local area network search system needs analysis, database design, application design work.
First, in the introduction section of the library materials LAN application background check system, development environment and use of development tools and database relationships, to clarify the concept of a local area network.
The start of the second chapter describes the basic concepts of relational databases, highlights several key concepts.Chapter III starting from the features and functionality, development tools introduced PowerBuilder6.5;And introduced the C / S model of the concept, characteristics and C / S model and development tools PowerBuilder6.5 links.Chapter IV is software engineering books and materials to analyze the local area network search system.Chapter V is a local area network data query system library specific design.

This paper inquires about the system daily book of actual need, through to the C/S mode, PowerBuilder6.5 development tools, database and the SQL language into learning and practice, mainly completed the LAN books data inquires the the demand analysis of the system, database design, application design work. First of all, in the introduction section describes the LAN books information query system application background, development environment and the selection of development tools and databases, expounds the relationship between the concept of local area network. The beginning of the second chapter introduces the basic concept of a relational database, the focus on a few key definition of the concept. Chapter 3 from the characteristic and function of, this paper introduces the development tools PowerBuilder6.5; And introduces the C/S mode the concept, characteristic and the C/S mode and development tools PowerBuilder6.5 contact

This paper inquires about the system daily book of actual need, through to the C/S mode, PowerBuilder6.5 development tools, database and the SQL language into learning and practice, mainly completed the LAN books data inquires the the demand analysis of the system, database design, application design work. First of all, in the introduction section describes the LAN books information query system application background, development environment and the selection of development tools and databases, expounds the relationship between the concept of local area network. The beginning of the second chapter introduces the basic concept of a relational database, the focus on a few key definition of the concept. Chapter 3 from the characteristic and function of, this paper introduces the development tools PowerBuilder6.5; And introduces the C/S mode the concept, characteristic and the C/S mode and development tools PowerBuilder6.5 contact. The fourth chapter with the method of software engineering analysis of a local area network books data query system. Chapter 5 of the LAN is books data query system and the specific design.