![]() Provides an overview of Visual FoxPro features, describes concepts and productivity tools for developing, programming, and managing high-performance database applications and components.Ĭontains Visual FoxPro code samples and step-by-step walkthroughs that you can use for experimenting with and learning Visual FoxPro features. Provides information about where to find the Readme file, installing and upgrading from previous versions, configuring Visual FoxPro, and customizing the development environment. In the Visual FoxPro Documentationĭescribes the new features and enhancements included in this version of Visual FoxPro. Visual FoxPro provides powerful data handling capabilities, rapid application development tools for maximum productivity, and the flexibility needed to build all types of database solutions. Visual FoxPro is the object-oriented relational database management system that makes it possible for you to create database solutions for the desktop to the Web. The customer table in the testdata database is opened, and CURSORSETPROP( ) is then used to set the buffering mode to optimistic table buffering (5).Welcome to Microsoft Visual FoxPro. MULTILOCKS is set to ON, a requirement for table buffering. CURSORSETPROP( ) Function Example The following example demonstrates how you can enable optimistic table buffering with CURSORSETPROP( ). Sebaliknya Denormalisasi akan mengurangi data integrity dan juga mengurangi Query Compexity Bagi yang pernah coba Crystal Report/Reporting Tool lainya tentu merasakan dampak negatif dari Normalisasi, mengapa? Karena performance untuk reporting yg melibatkan banyak tabel menjadi lebih lambat dibanding Denormalized form. 3 PK nya harus Uniq 4 Setiap field selain PK harus tergantung pada PK 5 Setiap field harus terisi 1 nilai 6 Buat tabel baru untuk memindahkan pengulangan field dari table sebelumnya 2NF ( Second Normal Form ) Definisi: Semua field harus tergantung pada primary key 3rd NF ( third Normal form ) Menghilangkan field yg sama sekali tidak berhubungan dengan PK tapi bergantung pada field lainnya Catatn: Normalisasi akan meningkatkan data integrity tetapi akan juga meningkatkan Query complexity. 1NF ( First normal Form ) 1.Menghilangkan semua pengulangan field 2 Definisikan primary keys. ![]()
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