TRIGGERS RULES AND STORED PROCEDURES

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MỤC LỤC
LỜI CẢM ƠN 2
MỤC LỤC 3
NỘI DUNG THỰC HIỆN 5
1. Database diagram: 5
2. Contsraints (Ràng buộc) 6
2.1. Ràng buộc trên bảng KhachHang: 6
2.2. Ràng buộc trên bảng Phong: 6
2.3. Ràng buộc trên bảng PhieuThuePhong: 6
3. Triggers 6
3.1. Trigger trên bảng HoaDon 6
4. Stored procedures 8
4.1. Thêm kh[r]

Batch Batch Processing Views User defined Function Cursors StoreProcedures TriggersIntroduction to SQL BatchProcessingBatchIndividual SQLcommandsGrouped to form abatchCompiledas singleexecutionplanExampleReviewDeclare variableList of global variablesCONNECTIONS Number of connections made to th[r]

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Create a view that shows all the orders with the following colums: OrderID,CustomerName,ProductName,DateProcessed,Status BUSINESS RULES: If CustomerName is a null value “New Customer” is[r]

Jennifer Widom
Constraints Triggers
Triggers –
Introduction
Jennifer Widom
Triggers
Triggers
“EventConditionAction Rules”
When event occurs, check condition; if true, do action
1) Move monitoring logic from apps into DBMS
2) Enforce constraints
 Beyond what constraint system supports
 Automatic c[r]

Create a view that shows all the orders with the following colums: OrderID,CustomerName,ProductName,DateProcessed,Status BUSINESS RULES: If CustomerName is a null value “New Customer” is[r]

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