MSSQL·查看DB中所有表及列的相关信息

一、引言&背景   完成度：100%

a) 应对问题&场景

1. 如何通过数据库自动生成数据字典？
2. 如果通过数据库生成所有表及列的注释？
3. 如何快速查询所有表中哪一列中有什么字段？

b) 解决原理&方法

--SQLSERVER查询表及其描述
SELECT  ROW_NUMBER() OVER (ORDER BY All_Table.NAME) AS NO, 
      All_Table.NAME AS '表名(EN)',
      CONVERT(NVARCHAR(100),ISNULL(TableDesc.[VALUE],'-')) AS '表名(CN)',
      All_Column.NAME AS '列名(EN)',
      CONVERT(NVARCHAR(100),ISNULL(ColumnDesc.[VALUE],'-')) AS '列名(CN)',
      ALL_Column_Type.[NAME] AS '列类型',
      All_Column.max_length AS '列长度',
      TabIndex.ROWS AS '记录数',
      ALL_Column_Type.is_nullable AS '是否NULL',
      All_Column.is_ansi_padded,
      All_Column.is_rowguidcol,
      '是否是标识列' =All_Column.is_identity
      FROM SYS.TABLES All_Table 
LEFT JOIN SYS.EXTENDED_PROPERTIES TableDesc ON (All_Table.OBJECT_ID = TableDesc.MAJOR_ID AND TableDesc.MINOR_ID = 0)--取表的名称两个条件
INNER JOIN SYS.COLUMNS All_Column ON All_Table.OBJECT_ID=All_Column.OBJECT_ID 
LEFT JOIN SYS.TYPES ALL_Column_Type ON ALL_Column.USER_TYPE_ID=ALL_Column_Type.USER_TYPE_ID
LEFT JOIN SYS.EXTENDED_PROPERTIES ColumnDesc ON  All_Table.OBJECT_ID = ColumnDesc.MAJOR_ID AND All_Column.OBJECT_ID=ColumnDesc.MAJOR_ID AND ColumnDesc.MINOR_ID<>0 AND ALL_COLUMN.COLUMN_ID=COLUMNDESC.MINOR_ID --取列的名称三个条件
INNER JOIN SYSINDEXES TabIndex ON All_Table.OBJECT_ID=TabIndex.ID AND TabIndex.INDID < 2