获取SQL Server表与字段信息的视图

获取SQL Server表与字段信息的视图，适用于2005以上版本。

 

create view v_metadata as 

SELECT 

TableName = D.NAME,--表名

TableDesc = ISNULL(F.VALUE, ' '), --表说明

ColumnIndex = A.COLORDER, --字段序号

ColumnName = A.NAME, --字段名

IsIndentity = CASE WHEN COLUMNPROPERTY(A.ID,A.NAME, 'ISIDENTITY ')=1 THEN 'Yes 'ELSE ' ' END, --标识

IsKey = CASE WHEN EXISTS(SELECT 1 FROM SYSOBJECTS WHERE XTYPE= 'PK ' AND PARENT_OBJ=A.ID AND NAME IN ( 

SELECT NAME FROM SYSINDEXES WHERE INDID IN( 

SELECT INDID FROM SYSINDEXKEYS WHERE ID = A.ID AND COLID=A.COLID))) THEN 'Yes ' ELSE ' ' END, --主键

DataType = B.NAME, --数据类型

ColumnByte = A.LENGTH, --占用字节数

ColumnLength = COLUMNPROPERTY(A.ID,A.NAME, 'PRECISION '), --长度

NumberLength = ISNULL(COLUMNPROPERTY(A.ID,A.NAME, 'SCALE '),0), --小数位数

[IsNull] = CASE WHEN A.ISNULLABLE=1 THEN 'Yes 'ELSE ' ' END, --允许为空

DefaultValue = ISNULL(E.TEXT, ' '), --默认值

ColumnDesc = ISNULL(G.[VALUE], ' ') --字段说明

FROM 

SYSCOLUMNS A LEFT JOIN SYSTYPES B ON A.XUSERTYPE=B.XUSERTYPE 

INNER JOIN SYSOBJECTS D ON A.ID=D.ID   AND D.XTYPE= 'U ' AND   D.NAME <> 'DTPROPERTIES ' 

LEFT JOIN SYSCOMMENTS E ON A.CDEFAULT=E.ID 

LEFT JOIN sys.extended_properties G ON A.ID=G.major_id AND A.COLID=G.minor_id   

LEFT JOIN sys.extended_properties F ON D.ID=F.major_id AND F.minor_id=0