IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[FK_QRTZ_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISFOREIGNKEY') = 1)
ALTER TABLE [dbo].[QRTZ_TRIGGERS] DROP CONSTRAINT FK_QRTZ_TRIGGERS
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[FK_QRTZ_CRON_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISFOREIGNKEY') = 1)
ALTER TABLE [dbo].[QRTZ_CRON_TRIGGERS] DROP CONSTRAINT FK_QRTZ_CRON_TRIGGERS
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[FK_QRTZ_SIMPLE_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISFOREIGNKEY') = 1)
ALTER TABLE [dbo].[QRTZ_SIMPLE_TRIGGERS] DROP CONSTRAINT FK_QRTZ_SIMPLE_TRIGGERS
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[FK_QRTZ_SIMPROP_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISFOREIGNKEY') = 1)
ALTER TABLE [dbo].[QRTZ_SIMPROP_TRIGGERS] DROP CONSTRAINT FK_QRTZ_SIMPROP_TRIGGERS
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_CALENDARS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_CALENDARS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_CRON_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_CRON_TRIGGERS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_BLOB_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_BLOB_TRIGGERS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_FIRED_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_FIRED_TRIGGERS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_PAUSED_TRIGGER_GRPS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_PAUSED_TRIGGER_GRPS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_SCHEDULER_STATE]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_SCHEDULER_STATE]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_LOCKS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_LOCKS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_JOB_DETAILS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_JOB_DETAILS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_SIMPLE_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_SIMPLE_TRIGGERS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_SIMPROP_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_SIMPROP_TRIGGERS]
GO

IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[dbo].[QRTZ_TRIGGERS]') AND OBJECTPROPERTY(id, N'ISUSERTABLE') = 1)
DROP TABLE [dbo].[QRTZ_TRIGGERS]
GO
