SQL SERVER先判断视图是否存在然后再创建视图的语句 |
本文标签:判断视图,创建视图 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 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 |