日期：2012-03-30 10:13:00 来源：本站整理

sqlserver2005查询字段信息[MSSQL防范]

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    Java代码
    select
    (case when a.colorder=1 then d.name else '' end) as 表名,
    a.colorder as 字段序号,
    a.name as 字段名,
    (case when columnproperty(a.id,a.name,'IsIdentity')=1 then '√' else '' end) as 标识,
    (case when
        (select count(*) from sysobjects where
            (name in
                (select name from sysindexes where (id=a.id) and www.2cto.com
                    (indid in
                        (select indid from sysindexkeys where (id=a.id) and (colid in
                            (select colid from syscolumns where (id=a.id) and (name=a.name)
                            )
                        )
                    )
                )
            )
        )
     and (xtype='PK'))>0 then '√' else '' end) as 主键,
    b.name as 范例,
    a.length as 占用字节数,
    columnproperty(a.id,a.name,'PRECISION') as 长度,
    isnull(columnproperty(a.id,a.name,'Scale'),0) as 小数位数,
    (case when a.isnullable=1 then '√' else '' end) as 答应空,
    isnull(e.text,'') as 默许值,
    isnull(g.[value],'') as 字段阐明 www.2cto.com
    from syscolumns a
    left join systypes b on a.xtype=b.usertype
    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
    where d.name='COM_SEQUENCE'
    order by a.id,a.colorder

    上面的对比复杂,下面是简化过的
    Java代码
    select
    (case when a.colorder=1 then d.name else '' end) as tableName,
    a.name as fieldName,
    isnull(g.[value],'') as fieldDes
    from syscolumns a
    inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name<>'dtproperties'
    left join sys.extended_properties g on a.id=g.major_id and a.colid =g.minor_id
    --where d.name='' --要查询的表
    order by a.id,a.colorder




    作者 xiaoyumeng

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