判断数据库是否存在
if exists (select * from sys.databases where name = '数据库名')
--drop database [数据库名]

判断表是否存在
if exists (select * from sysobjects where id = object_id(N'[表名]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
--drop table [表名]

if object_id(N'tablename',N'U') is not null
print '表存在'
else
print '表不存在'

--判断某表的某字段是否存在
if (not exists(select * from syscolumns where id=object_id('表明') and name='字段名'))
print '字段不存在'
else
print '字段存在'

判断存储过程是否存在
if exists (select * from sysobjects where id = object_id(N'[存储过程名]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
-- drop procedure [存储过程名]

判断函数是否存在
IF OBJECT_ID (N'函数名') IS NOT NULL DROP FUNCTION dnt_split

判断数据库是否开启了全文搜索
select databaseproperty('数据库名','isfulltextenabled')

判断全文目录是否存在
select * from sysfulltextcatalogs where name ='全文目录名称'
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版权声明：本文为CSDN博主「smartsmile2012」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/smartsmile2012/article/details/78529510