//查询数据库摘要
select_str[0] = "SELECT DB_NAME() AS 数据库, "
+ "(select sys.extended_properties.name from sys.extended_properties where sys.extended_properties.class=0) as 说明,"
+ "(select sys.extended_properties.value from sys.extended_properties where sys.extended_properties.class=0) as 属性";
//查询表摘要：表的名称，列的数量，注释
select_str[1] = "SELECT sys.tables.name AS 表名,count(sys.columns.column_id) AS 列的个数,sys.extended_properties.value AS 描述 "
+ "FROM sys.tables LEFT JOIN sys.columns ON sys.tables.object_id=sys.columns.object_id LEFT JOIN sys.extended_properties ON sys.tables.object_id = sys.extended_properties.major_id "
+ "WHERE sys.tables.type ='U' and sys.tables.name <>'dtproperties' and sys.tables.name <> 'sysdiagrams' and (sys.extended_properties.minor_id=0 or sys.extended_properties.minor_id IS NULL) "
+ "GROUP BY sys.tables.name ,sys.extended_properties.value "
+ "ORDER BY sys.tables.name";
//查询视图摘要:视图名称，列的数量,说明
select_str[2] = "SELECT sys.views.name AS 视图,count(sys.columns.column_id) AS 列的个数,sys.extended_properties.value AS 说明 "
+ "FROM sys.views LEFT JOIN sys.columns ON sys.views.object_id=sys.columns.object_id "
+ " left join sys.extended_properties on sys.views.object_id=sys.extended_properties.major_id "
+ "WHERE sys.views.type ='V' and sys.extended_properties.name= '说明' "
+ "GROUP BY sys.views.name ,sys.extended_properties.value "
+ "ORDER BY sys.views.name";
//查询数据表的详细信息
select_str[3] = "SELECT "
//+ "表名=case when a.colorder=1 then d.name else '' end,"
+ "表名=d.name,"
+ "字段序号=a.colorder,"
+ "字段名=a.name, "
+ "索引=case when exists(SELECT 1 FROM sys.index_columns WHERE sys.index_columns.column_id=a.colorder and sys.index_columns.object_id=d.id) then '存在' else '' end,"
+ "标识=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '是' else '' end, "
+ "主键=case when exists(SELECT 1 FROM sysobjects where xtype='PK' and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid ))) then '是' else '' end,"
+ "类型=b.name,"
+ "占用字节数=a.length, "
+ "长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),"
+ "小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),"
+ "允许空=case when a.isnullable=1 then '允许空'else '不允许' end,"
+ "默认值=isnull(e.text,''), "
+ "字段说明=isnull(g.[value],'')"
+ " FROM syscolumns a left join systypes b on a.xtype=b.xusertype "
+ "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 d.id=g.major_id and a.colid=g.minor_id "
+"where d.name <>'sysdiagrams' "
+ "order by d.name,a.id,a.colorder ";
//查询数据视图的详细信息
select_str[4] = "SELECT sys.views.name AS 视图,sys.syscomments.text AS 定义 "
+ "FROM sys.views LEFT JOIN sys.syscomments ON sys.views.object_id=sys.syscomments.id";
//查询外键详细信息
select_Dic[5] = "select b.name as 父,a.name as 外键名称,d.name as 列,c.name as 子,e.name as 列,sys.extended_properties.value as 说明 "
+ "from sys.foreign_key_columns inner join sys.objects as a on sys.foreign_key_columns.constraint_object_id=a.object_id "
+ "inner join sys.objects as b on sys.foreign_key_columns.parent_object_id=b.[object_id] "
+ "inner join sys.objects as c on sys.foreign_key_columns.referenced_object_id=c.[object_id] "
+ "inner join sys.syscolumns as d on (sys.foreign_key_columns.parent_column_id=d.colorder and sys.foreign_key_columns.parent_object_id=d.id) "
+ "inner join sys.syscolumns as e on (sys.foreign_key_columns.referenced_column_id=e.colorder and sys.foreign_key_columns.referenced_object_id=e.id) "
+ "left join sys.extended_properties on sys.foreign_key_columns.constraint_object_id=sys.extended_properties.major_id "
+ "group by b.name ,a.name,d.name,c.name,e.name ,sys.extended_properties.value";
//查询索引信息--主键的索引信息
select_Dic[6] = "select sys.objects.name as 表名,sys.indexes.name as 索引的名字,"
+ "case sys.indexes.type when 0 then '堆'when 1 then '聚集'when 2 then '非聚集' when 3 then 'XML' end as 索引的类型,"
+ "case sys.index_columns.is_descending_key when 0 then '升序排序' when 1 then '降序排序' end as 是否降序,"
+ "sys.syscolumns.name as 列名 "
+ "from sys.index_columns left join sys.objects on sys.index_columns.object_id = sys.objects.object_id "
+ "inner join sys.indexes on (sys.index_columns.index_id = sys.indexes.index_id and sys.index_columns.object_id=sys.indexes.object_id) "
+ "left join sys.syscolumns on (sys.index_columns.object_id=sys.syscolumns.id and sys.index_columns.column_id=sys.syscolumns.colorder) "
+ "where sys.objects.type ='U' and sys.objects.name not in ('dtproperties','sysdiagrams') and sys.indexes.is_primary_key =1 "
+ "group by sys.objects.name,sys.indexes.name,sys.indexes.type,sys.index_columns.is_descending_key,sys.syscolumns.name ";
// 查询存储过程信息
select_Dic[7] = "select sys.procedures.name as 存储过程 ,count (sys.parameters.parameter_id) as 参数个数,sys.extended_properties.value as 说明 "
+ "from sys.procedures left join sys.parameters on(sys.procedures.object_id = sys.parameters.object_id) "
+ "left join sys.extended_properties on (sys.procedures.object_id=sys.extended_properties.major_id) "
+ "where sys.procedures.is_ms_shipped =0 and sys.procedures.name NOT IN ('sp_alterdiagram','sp_creatediagram','sp_dropdiagram','sp_helpdiagramdefinition','sp_helpdiagrams','sp_renamediagram','sp_upgraddiagrams') "
+ "group by sys.procedures.name,sys.extended_properties.value "
+ "order by sys.procedures.name";
//查询函数信息
select_Dic[8] = "select sys.objects.name as 函数名称,count (sys.parameters.parameter_id) as 参数个数 ,sys.extended_properties.value as 说明 "
+ "from sys.objects left join sys.parameters on(sys.objects.object_id = sys.parameters.object_id) "
+ "left join sys.extended_properties on (sys.objects.object_id=sys.extended_properties.major_id) "
+ "where sys.objects.type in ('FN','TF','AF')and (sys.objects.name<>'fn_diagramobjects') "
+ "group by sys.objects.name,sys.extended_properties.value "
+ "order by sys.objects.name";
//查询非主键的索引信息
select_Dic[9] = "select sys.objects.name as 表名,sys.indexes.name as 索引的名字, "
+ "case sys.indexes.type when 0 then '堆'when 1 then '聚集'when 2 then '非聚集' when 3 then 'XML' end as 索引的类型,"
+ "case sys.index_columns.is_descending_key when 0 then '升序排序' when 1 then '降序排序' end as 是否降序, "
+ "sys.syscolumns.name as 列名,"
+ "sys.extended_properties.value as 说明 "
+ "from sys.index_columns left join sys.objects on sys.index_columns.object_id = sys.objects.object_id "
+ "inner join sys.indexes on (sys.index_columns.index_id = sys.indexes.index_id and sys.index_columns.object_id=sys.indexes.object_id) "
+ "left join sys.syscolumns on (sys.index_columns.object_id=sys.syscolumns.id and sys.index_columns.column_id=sys.syscolumns.colorder) "
+ "left join sys.extended_properties on (sys.index_columns.object_id =sys.extended_properties.major_id and sys.index_columns.index_id =sys.extended_properties.minor_id) "
+ "where sys.objects.type ='U' and sys.objects.name <>'dtproperties' and sys.indexes.is_primary_key <>1 and sys.extended_properties.name ='MS_Description' "
+ "group by sys.objects.name,sys.indexes.name,sys.indexes.type,sys.index_columns.is_descending_key,sys.syscolumns.name,sys.extended_properties.value ";