IF EXISTS (SELECT name FROM master.dbo.sysdatabases WHERE name = N'ecdb')
BEGIN
BACKUP DATABASE [ecdb] TO  DISK = N'D:\fes\ecsql\backup\instsqlbackup.bak' WITH  INIT ,  NOUNLOAD ,  NAME = N'ecdb バックアップ',  NOSKIP ,  STATS = 10,  NOFORMAT 
DROP DATABASE [ecdb]
END

IF NOT EXISTS (SELECT name FROM master.dbo.sysdatabases WHERE name = N'ecdb')
CREATE DATABASE [ecdb] ON (NAME = N'ecdb_Data', FILENAME = N'D:\fes\ecsql\data\ecdb_Data.MDF' , SIZE = 100, FILEGROWTH = 10%) 
LOG ON (NAME = N'ecdb_Log', FILENAME = N'D:\fes\ecsql\data\ecdb_Log.LDF' , SIZE = 50, FILEGROWTH = 10%)
GO