链接：https://pan.baidu.com/s/1yqgHZ6kfXXUGHocfTTctDA
提取码：puon
导出工具（三大数据库都可用）
链接：https://pan.baidu.com/s/1slCt1Quc1WNXba3KLIoMlQ
提取码：235q
1.打开sql server管理器，给选定的表添加描述信息，给指定的字段添加描述信息。
直接在表上或者字段上右键属性-扩展属性，添加一个key-value对，key就是“MS_Description",value就是你自己的描述。详细见下图：
给字段添加描述的过程与上述一致，不在赘述。
2.执行以下这段sql语句，然后复制查询到的结果到文本，保存为html即可。
Set nocount on DECLARE @TableName nvarchar(35) DECLARE Tbls CURSOR FOR Select distinct Table_name FROM INFORMATION_SCHEMA.COLUMNS --put any exclusions here --where table_name not like '%old' order by Table_name OPEN Tbls PRINT '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">' PRINT '<html xmlns="http://www.w3.org/1999/xhtml">' PRINT '<head>' PRINT '<title>数据库字典</title>' PRINT '<style type="text/css">' PRINT 'body{margin:0; font:11pt "arial", "微软雅黑"; cursor:default;}' PRINT '.tableBox{margin:10px auto; padding:0px; 1000px; height:auto; background:#FBF5E3; border:1px solid #45360A}' PRINT '.tableBox h3 {font-size:12pt; height:30px; line-height:30px; background:#45360A; padding:0px 0px 0px 15px; color:#FFF; margin:0px; text-align:left }' PRINT '.tableBox table {1000px; padding:0px }' PRINT '.tableBox th {height:25px; border-top:1px solid #FFF; border-left:1px solid #FFF; background:#F7EBC8; border-right:1px solid #E0C889; border-bottom:1px solid #E0C889 }' PRINT '.tableBox td {height:25px; padding-left:10px; border-top:1px solid #FFF; border-left:1px solid #FFF; border-right:1px solid #E0C889; border-bottom:1px solid #E0C889 }' PRINT '</style>' PRINT '</head>' PRINT '<body>' FETCH NEXT FROM Tbls INTO @TableName WHILE @@FETCH_STATUS = 0 BEGIN PRINT '<div class="tableBox">' Select '<h3>表' + @TableName + ' : '+cast(Value as varchar(1000)) + '</h3>' FROM sys.extended_properties A WHERE A.major_id = OBJECT_ID(@TableName) and name = 'MS_Description' and minor_id = 0 PRINT '<table cellspacing="0">' --Get the Description of the table --Characters 1-250 PRINT '<tr>' --Set up the Column Headers for the Table PRINT '<th>字段名称</th>' PRINT '<th>描述</th>' PRINT '<th>主键</th>' PRINT '<th>外键</th>' PRINT '<th>类型</th>' PRINT '<th>长度</th>' PRINT '<th>数值精度</th>' PRINT '<th>小数位数</th>' PRINT '<th>允许为空</th>' PRINT '<th>计算列</th>' PRINT '<th>标识列</th>' PRINT '<th>默认值</th>' --Get the Table Data SELECT '</tr><tr>', '<td>' + CAST(clmns.name AS VARCHAR(35)) + '</td>', '<td>' + ISNULL(CAST(exprop.value AS VARCHAR(500)),'') + '</td>', '<td>' + CAST(ISNULL(idxcol.index_column_id, 0)AS VARCHAR(20)) + '</td>', '<td>' + CAST(ISNULL( (SELECT TOP 1 1 FROM sys.foreign_key_columns AS fkclmn WHERE fkclmn.parent_column_id = clmns.column_id AND fkclmn.parent_object_id = clmns.object_id ), 0) AS VARCHAR(20)) + '</td>', '<td>' + CAST(udt.name AS CHAR(15)) + '</td>' , '<td>' + CAST(CAST(CASE WHEN typ.name IN (N'nchar', N'nvarchar') AND clmns.max_length <> -1 THEN clmns.max_length/2 ELSE clmns.max_length END AS INT) AS VARCHAR(20)) + '</td>', '<td>' + CAST(CAST(clmns.precision AS INT) AS VARCHAR(20)) + '</td>', '<td>' + CAST(CAST(clmns.scale AS INT) AS VARCHAR(20)) + '</td>', '<td>' + CAST(clmns.is_nullable AS VARCHAR(20)) + '</td>' , '<td>' + CAST(clmns.is_computed AS VARCHAR(20)) + '</td>' , '<td>' + CAST(clmns.is_identity AS VARCHAR(20)) + '</td>' , '<td>' + isnull(CAST(cnstr.definition AS VARCHAR(20)),'') + '</td>' FROM sys.tables AS tbl INNER JOIN sys.all_columns AS clmns ON clmns.object_id=tbl.object_id LEFT OUTER JOIN sys.indexes AS idx ON idx.object_id = clmns.object_id AND 1 =idx.is_primary_key LEFT OUTER JOIN sys.index_columns AS idxcol ON idxcol.index_id = idx.index_id AND idxcol.column_id = clmns.column_id AND idxcol.object_id = clmns.object_id AND 0 = idxcol.is_included_column LEFT OUTER JOIN sys.types AS udt ON udt.user_type_id = clmns.user_type_id LEFT OUTER JOIN sys.types AS typ ON typ.user_type_id = clmns.system_type_id AND typ.user_type_id = typ.system_type_id LEFT JOIN sys.default_constraints AS cnstr ON cnstr.object_id=clmns.default_object_id LEFT OUTER JOIN sys.extended_properties exprop ON exprop.major_id = clmns.object_id AND exprop.minor_id = clmns.column_id AND exprop.name = 'MS_Description' WHERE (tbl.name = @TableName and exprop.class = 1) --I don't wand to include comments on indexes ORDER BY clmns.column_id ASC PRINT '</tr></table>' PRINT '</div>' FETCH NEXT FROM Tbls INTO @TableName END PRINT '</body></HTML>' CLOSE Tbls DEALLOCATE Tbls
如下图，第二个框是”以文本方式显示结果”，不要选错了：
