数据库数据字典是一组表和视图结构。它们存放在SYSTEM表空间中。
数据库数据字典不仅是每个数据库的中心。而且对每个用户也是非常重要的信息。用户可以用SQL语句访问数据库数据字典。
生成数据库参考代码如下：
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:<Carbe>
-- Create date: <2014-09-19>
-- Description:<生成数据库字典>
-- =============================================
CREATE PROCEDURE [dbo].[CreateDatabaseDictionarie]
AS
BEGIN
DECLARE @TableName nvarchar(35),@htmls varchar(8000)
DECLARE @字段名称 VARCHAR(200)
DECLARE @类型 VARCHAR(200)
DECLARE @长度 VARCHAR(200)
DECLARE @数值精度 VARCHAR(200)
DECLARE @小数位数 VARCHAR(200)
DECLARE @默认值 VARCHAR(200)
DECLARE @允许为空 VARCHAR(200)
DECLARE @外键 VARCHAR(200)
DECLARE @主键 VARCHAR(200)
DECLARE @描述 VARCHAR(200)
SET NOCOUNT ON
DECLARE Tbls CURSOR
FOR
Select distinct Table_name
FROM INFORMATION_SCHEMA.COLUMNS
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>KC管理系统-数据库字典</title>'
PRINT '<style type="text/css">'
PRINT 'body{margin:0font:11pt "arial", "微软雅黑"cursor:default}'
PRINT '.tableBox{margin:10px autopadding:0pxwidth:1000pxheight:autobackground:#FBF5E3border:1px solid #45360A}'
PRINT '.tableBox h3 {font-size:12ptheight:30pxline-height:30pxbackground:#45360Apadding:0px 0px 0px 15pxcolor:#FFFmargin:0pxtext-align:left }'
PRINT '.tableBox table {width:1000pxpadding:0px }'
PRINT '.tableBox th {height:25pxborder-top:1px solid #FFFborder-left:1px solid #FFFbackground:#F7EBC8border-right:1px solid #E0C889border-bottom:1px solid #E0C889 }'
PRINT '.tableBox td {height:25pxpadding-left:10pxborder-top:1px solid #FFFborder-left:1px solid #FFFborder-right:1px solid #E0C889border-bottom:1px solid #E0C889 }'
PRINT '</style>'
PRINT '</head>'
PRINT '<body>'
FETCH NEXT FROM Tbls INTO @TableName
WHILE @@FETCH_STATUS = 0
BEGIN
Select @htmls = '<h3>' + @TableName + ' : '+ CAST(Value as varchar(1000)) + '</h3>'
FROM sys.extended_properties AS A
WHERE A.major_id = OBJECT_ID(@TableName)
and name = 'MS_Description' and minor_id = 0
PRINT '<div class="tableBox">'
PRINT @htmls
PRINT '<table cellspacing="0">'
PRINT '<tr>'
PRINT '<th>字段名称</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>默认值</th>'
PRINT '<th>允许为空</th>'
PRINT '<th>外键</th>'
PRINT '<th>主键</th>'
PRINT '<th>描述</th>'
PRINT '</tr>'
DECLARE TRows CURSOR
FOR
SELECT
'<td>' + CAST(clmns.name AS VARCHAR(35)) + '</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>' + isnull(CAST(cnstr.definition 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(exprop.value AS VARCHAR(500)),'') + '</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
OPEN TRows
FETCH NEXT FROM TRows INTO @字段名称,@类型,@长度,@数值精度,@小数位数,@默认值,@允许为空,@外键,@主键,@描述
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT '<tr>'
PRINT @字段名称
PRINT @类型
PRINT @长度
PRINT @数值精度
PRINT @小数位数
PRINT @默认值
PRINT @允许为空
PRINT @外键
PRINT @主键
PRINT @描述
PRINT '</tr>'
FETCH NEXT FROM TRows INTO @字段名称,@类型,@长度,@数值精度,@小数位数,@默认值,@允许为空,@外键,@主键,@描述
END
CLOSE TRows
DEALLOCATE TRows
PRINT '</table>'
PRINT '</div>'
FETCH NEXT FROM Tbls INTO @TableName
END
PRINT '</body>'
PRINT '</html>'
CLOSE Tbls
DEALLOCATE Tbls
END
制作数据字典工具的sql文件必须Navicat或MySQLFront或Toad导出，我使用的是sqlyog，因此格式和这个工具有冲突，导致经常使用有问题，建议使用的话采用Navicat导出表结构，这样就不会存在sql格式不兼容的问题。欢迎分享，转载请注明来源：内存溢出
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