In c++ risks is a reference to a variable which exists i.e. one 2nd name for the same variable.
This program is broken up into functions.露the function hand constitutes the entrance point of the program, firstly there is the function message which us affiche hello , and the second function produced 露procedure affich_calcul, one declared the prototype and one it definite after one made the call has this function.
This white paper raises some fundamental issues the design engineer should address before deciding upon a communication approach for a wireless network. As no universal wireless network solution exists, it should be custom tailored to suit the application demands. Defining your application communication characteristics is the key to ensure optimal communication reliability and resistance to interfering noise sources.
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_藥品庫存_藥品資料]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[藥品庫存] DROP CONSTRAINT FK_藥品庫存_藥品資料
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_門診劃價明細_門診劃價]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[門診劃價明細] DROP CONSTRAINT FK_門診劃價明細_門診劃價
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_門診掛號_門診掛號類型]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[門診掛號] DROP CONSTRAINT FK_門診掛號_門診掛號類型
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[產地]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[產地]
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[醫生資料]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[醫生資料]
if exists (select * from dbo.sysobjects where id = object_id(N\'[dbo].[FK_帳單明細_入住單]\') and OBJECTPROPERTY(id, N\'IsForeignKey\') = 1)
ALTER TABLE [dbo].[帳單明細] DROP CONSTRAINT FK_帳單明細_入住單
GO
if exists (select * from dbo.sysobjects where id = object_id(N\'[dbo].[FK_入住單_客房信息]\') and OBJECTPROPERTY(id, N\'IsForeignKey\') = 1)
ALTER TABLE [dbo].[入住單] DROP CONSTRAINT FK_入住單_客房信息
GO
if exists (select * from dbo.sysobjects where id = object_id(N\'[dbo].[FK_客房信息_客房類型]\') and OBJECTPROPERTY(id, N\'IsForeignKey\') = 1)
ALTER TABLE [dbo].[客房信息] DROP CONSTRAINT FK_客房信息_客房類型
c#數據庫開發實例:有很多的實例，對學習非常的有意義！
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if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[采購訂單_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[采購訂單] DROP CONSTRAINT 采購訂單_供貨商_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[采購訂單歷史_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[采購訂單歷史] DROP CONSTRAINT 采購訂單歷史_供貨商_fk
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[采購訂單_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[采購訂單] DROP CONSTRAINT 采購訂單_供貨商_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[采購訂單歷史_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[采購訂單歷史] DROP CONSTRAINT 采購訂單歷史_供貨商_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[采購合同_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[采購合同] DROP CONSTRAINT 采購合同_供貨商_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[進貨單_供貨商_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[進貨單] DROP CONSTRAINT 進貨單_供貨商_fk
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_工資發放歷史表_職員基本信息表]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[工資發放歷史表] DROP CONSTRAINT FK_工資發放歷史表_職員基本信息表
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_月工資統計表_職員基本信息表]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[月工資統計表] DROP CONSTRAINT FK_月工資統計表_職員基本信息表
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[FK_職員懲罰表_職員基本信息表]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[職員懲罰表] DROP CONSTRAINT FK_職員懲罰表_職員基本信息表
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[mrp物料需求計算_物料編號_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[mrp物料需求計算] DROP CONSTRAINT mrp物料需求計算_物料編號_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[mrp物料需求計算結果_物料編號_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[mrp物料需求計算結果] DROP CONSTRAINT mrp物料需求計算結果_物料編號_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[mrp物料需求歷史_物料編號_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[mrp物料需求歷史] DROP CONSTRAINT mrp物料需求歷史_物料編號_fk
GO
if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[物料清單_物料編號_fk]') and OBJECTPROPERTY(id, N'IsForeignKey') = 1)
ALTER TABLE [dbo].[物料清單] DROP CONSTRAINT 物料清單_物料編號_fk
