SELECT CONVERT(char(20), SERVERPROPERTY('servername')) --返回服务器的计算机名; SELECT  SERVERPROPERTY('productversion'),SERVERPROPERTY ('productlevel'), SERVERPROPERTY ('edition')  --判断SQL SERVER版本

USE AdventureWorks;
GO
SELECT COLUMNPROPERTY( OBJECT_ID('Person.Contact'),'LastName','PRECISION')AS 'Column Length'; ----Person.Contact表里的LastName列的长度
GO

SELECT  DATABASEPROPERTY('数据库名', 'isfulltextenabled')  ---判断数据库是否开启了全文搜索

SELECT DATABASEPROPERTYEX('AdventureWorks', 'IsAutoShrink'); --判断AdventureWorks数据库是否启用了自动收缩 ，跟人感觉跟DATABASEPROPERTY（）函数差不多

USE AdventureWorks;
GO
SELECT INDEXPROPERTY(OBJECT_ID('HumanResources.Employee'), 'PK_Employee_EmployeeID','IsClustered')AS [Is Clustered],         --IsClustered是否是聚集索引INDEXPROPERTY(OBJECT_ID('HumanResources.Employee'), 'PK_Employee_EmployeeID','IndexDepth') AS [Index Depth],          --IndexDepth索引的深度INDEXPROPERTY(OBJECT_ID('HumanResources.Employee'), 'PK_Employee_EmployeeID','IndexFillFactor') AS [Fill Factor];     --IndexFillFactor创建索引或最后重新生成索引时使用的填充因子值。
GO

USE AdventureWorks;
GO
SELECT INDEXKEY_PROPERTY(OBJECT_ID('Production.Location', 'U'),    1,1,'ColumnId') AS [Column ID], INDEXKEY_PROPERTY(OBJECT_ID('Production.Location', 'U'),    --是否降序排列1,1,'IsDescending') AS [ Desc order];
GO

IF EXISTS ( SELECT  * FROM    sysobjects WHERE   id = OBJECT_ID(N'[存储过程名]') AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )    --是否是存储过程 (判断存储过程是否存在)
DROP PROCEDURE [存储过程名]

SELECT OBJECTPROPERTYEX(OBJECT_ID(N'AdventureWorks.HumanResources.vEmployee'), 'IsView'); --是否是视图 个人感觉跟objectproperty()函数差不多

CREATE   TABLE tableA(colA sql_variant, colB int)
INSERT INTO tableA values ( cast (46279.1 as decimal(8,2)), 1689)
SELECT   SQL_VARIANT_PROPERTY(colA,'BaseType') AS 'Base Type', SQL_VARIANT_PROPERTY(colA,'Precision') AS 'Precision', SQL_VARIANT_PROPERTY(colA,'Scale') AS 'Scale'
FROM      tableA
WHERE      colB = 1689

USE AdventureWorks
SELECT FILEPROPERTY('AdventureWorks_Data', 'IsPrimaryFile')AS [Primary File];  --判断AdventureWorks_Data是否是主数据文件（一定不要省略 USE AdventureWorks ）

USE AdventureWorks
SELECT FILEGROUPPROPERTY('PRIMARY', 'IsDefault') AS 'Default Filegroup'  --判断PRIMARY是否是默认文件组

SELECT TYPEPROPERTY( 'tinyint', 'PRECISION') --输出数据类型tinyint的长度值