• 数据库字典查询


     1 SELECT  表名 = CASE WHEN a.colorder = 1 THEN d.name
     2                   ELSE ''
     3              END ,
     4         表说明 = CASE WHEN a.colorder = 1 THEN ISNULL(f.value, '')
     5                    ELSE ''
     6               END ,
     7         字段序号 = a.colorder ,
     8         字段名 = a.name ,
     9         标识 = CASE WHEN COLUMNPROPERTY(a.id, a.name, 'IsIdentity') = 1 THEN ''
    10                   ELSE ''
    11              END ,
    12         主键 = CASE WHEN EXISTS ( SELECT  1
    13                                 FROM    sysobjects
    14                                 WHERE   xtype = 'PK'
    15                                         AND name IN (
    16                                         SELECT  name
    17                                         FROM    sysindexes
    18                                         WHERE   indid IN (
    19                                                 SELECT  indid
    20                                                 FROM    sysindexkeys
    21                                                 WHERE   id = a.id
    22                                                         AND colid = a.colid ) ) )
    23                   THEN ''
    24                   ELSE ''
    25              END ,
    26         类型 = b.name ,
    27         占用字节数 = a.length ,
    28         长度 = COLUMNPROPERTY(a.id, a.name, 'PRECISION') ,
    29         小数位数 = ISNULL(COLUMNPROPERTY(a.id, a.name, 'Scale'), 0) ,
    30         允许空 = CASE WHEN a.isnullable = 1 THEN ''
    31                    ELSE ''
    32               END ,
    33         默认值 = ISNULL(e.text, '') ,
    34         字段说明 = ISNULL(g.[value], '')
    35 FROM    syscolumns a
    36         LEFT JOIN systypes b ON a.xtype = b.xusertype
    37         INNER JOIN sysobjects d ON a.id = d.id
    38                                    AND d.xtype = 'U'
    39                                    AND d.name <> 'dtproperties'
    40         LEFT JOIN syscomments e ON a.cdefault = e.id
    41         LEFT JOIN sys.extended_properties g ON a.id = g.major_id
    42                                                AND a.colid = g.minor_id
    43         LEFT JOIN sys.extended_properties f ON d.id = f.major_id
    44                                                AND f.minor_id = 0 
    45 
    46 --where d.name='要查询的表' --如果只查询指定表,加上此条件 
    47 ORDER BY a.id ,
    48         a.colorder 

    结果:

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  • 原文地址:https://www.cnblogs.com/wanghaibin/p/4843213.html
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