源码网商城,靠谱的源码在线交易网站 我的订单 购物车 帮助

源码网商城

SQL SERVER先判断视图是否存在然后再创建视图的语句

  • 时间:2021-04-04 14:39 编辑: 来源: 阅读:
  • 扫一扫,手机访问
摘要:SQL SERVER先判断视图是否存在然后再创建视图的语句
如果我们的语句为:
IF NOT EXISTS(SELECT 1 FROM sys.views WHERE name='Report_IndividualTicket')
BEGIN
create view Report_IndividualTicket
as
SELECT Ticket.TicketNumber, Ticket.TicketID,
GisProcess.StageName,
Content.DtReceived, Content.ContentText
FROM
(GisProcess INNER JOIN Ticket
ON GisProcess.TicketID=Ticket.TicketID)
INNER JOIN Content
ON Ticket.ContentID=Content.ContentID
END
会提示以下错误: Msg 156, Level 15, State 1, Line 4 Incorrect syntax near the keyword 'view'. 出现这个错误的原因是:create view 这一句必须是批处理中的第一句。 所以可以将该语句修改为:
IF EXISTS(SELECT 1 FROM sys.views WHERE name='Report_IndividualTicket')
DROP VIEW Report_IndividualTicket
GO
create view Report_IndividualTicket
as
SELECT Ticket.TicketNumber, Ticket.TicketID,
GisProcess.StageName,
Content.DtReceived, Content.ContentText
FROM
(GisProcess INNER JOIN Ticket
ON GisProcess.TicketID=Ticket.TicketID)
INNER JOIN Content
ON Ticket.ContentID=Content.ContentID
GO
  • 全部评论(0)
联系客服
客服电话:
400-000-3129
微信版

扫一扫进微信版
返回顶部