无法将SQL查询转换为SQL Server 2000的XML输出

Question

我需要以XML格式为SQL 2000输出以下查询。似乎我有太多的子查询，并且SQL 2000中的XML的嵌套级别必须精确。任何帮助表示赞赏。

SELECT sd.dbid AS DatabaseID 
,NAME AS DatabaseName 
,CASE 
    WHEN NAME IN (
      'master' 
      ,'msdb' 
      ,'model' 
      ,'tempdb' 
      ,'distribution' 
      ) 
     THEN 'S' 
    ELSE 'U' 
    END AS SysUserType 
,cmptlevel AS CompatibilityLevel 
,databasepropertyex(NAME, 'Collation') AS CollationName 
,CASE 
    WHEN databasepropertyex(NAME, 'Status') = 'ONLINE' 
     THEN 0 
    WHEN databasepropertyex(NAME, 'Status') = 'RESTORING' 
     THEN 1 
    WHEN databasepropertyex(NAME, 'Status') = 'RECOVERING' 
     THEN 2 
    WHEN databasepropertyex(NAME, 'Status') = 'RECOVERY_PENDING' 
     THEN 3 
    WHEN databasepropertyex(NAME, 'Status') = 'SUSPECT' 
     THEN 4 
    WHEN databasepropertyex(NAME, 'Status') = 'EMERGENCY' 
     THEN 5 
    WHEN databasepropertyex(NAME, 'Status') = 'OFFLINE' 
     THEN 6 
    WHEN databasepropertyex(NAME, 'Status') = 'COPYING' 
     THEN 7 
    END AS STATE 
,databasepropertyex(NAME, 'Status') AS StateDesc 
,CASE 
    WHEN databasepropertyex(NAME, 'Recovery') = 'FULL' 
     THEN 1 
    WHEN databasepropertyex(NAME, 'Recovery') = 'BULK_LOGGED' 
     THEN 2 
    WHEN databasepropertyex(NAME, 'Recovery') = 'SIMPLE' 
     THEN 3 
    END AS RecoveryModel 
,databasepropertyex(NAME, 'Recovery') AS RecoveryModelDesc 
,crdate AS DatabaseCreationDate 
,B.last_db_backup_date AS LastBackupDate 
,a.SizeMB AS SizeMB 
,c.NumberOfConnections AS ActiveDBConnections 
,SERVERPROPERTY('Machinename') AS SQLServerName 
,CASE 
    WHEN SERVERPROPERTY('Instancename') IS NULL 
     THEN 'Default' 
    ELSE SERVERPROPERTY('Instancename') 
    END AS SQLServerInstanceName 
,SERVERPROPERTY('ProductVersion') AS SQLServerVersion 
,SERVERPROPERTY('Edition') AS SQLServerEdition 
FROM (
SELECT CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS SERVER 
    ,msdb.dbo.backupset.database_name 
    ,MAX(msdb.dbo.backupset.backup_finish_date) AS last_db_backup_date 
FROM msdb.dbo.backupmediafamily 
INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id 
GROUP BY msdb.dbo.backupset.database_name 
) AS B 
FULL JOIN sysdatabases sd ON sd.NAME = b.database_name 
INNER JOIN (
SELECT (SUM(size) * 8/1024) AS SizeMB 
    ,dbid 
FROM sysaltfiles 
GROUP BY dbid 
) AS A ON sd.dbid = a.dbid 
FULL JOIN (
SELECT DB_NAME(dbid) AS DBName 
    ,COUNT(dbid) AS NumberOfConnections 
FROM sysprocesses 
WHERE dbid > 0 
    AND spid >= 51 
GROUP BY dbid 
) AS C ON sd.NAME = C.DBName 
ORDER BY sd.dbid 

我能够为SQL 2005及以上编写此工作，并且工作正常！但不能为我的生命得到它的SQL 2000

SELECT sd.database_id AS DatabaseID 
,sd.NAME AS DatabaseName 
,CASE 
    WHEN sd.NAME IN (
      'master' 
      ,'msdb' 
      ,'model' 
      ,'tempdb' 
      ,'distribution' 
      ) 
     THEN 'S' 
    ELSE 'U' 
    END AS SysUserType 
,sd.compatibility_level AS CompatibilityLevel 
,sd.collation_name AS CollationName 
,sd.STATE AS STATE 
,sd.state_desc AS StateDesc 
,recovery_model AS RecoveryModel 
,recovery_model_desc AS RecoveryModelDesc 
,create_date AS DatabaseCreationDate 
,B.last_db_backup_date AS LastBackupDate 
,a.SizeMB AS SizeMB 
,c.NumberOfConnections AS ActiveDBConnections 
,SERVERPROPERTY('Machinename') AS SQLServerName 
,CASE 
    WHEN SERVERPROPERTY('Instancename') IS NULL 
     THEN 'Default' 
    ELSE SERVERPROPERTY('Instancename') 
    END AS SQLServerInstanceName 
,SERVERPROPERTY('ProductVersion') AS SQLServerVersion 
,SERVERPROPERTY('Edition') AS SQLServerEdition 
FROM (
SELECT CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS SERVER 
    ,msdb.dbo.backupset.database_name 
    ,MAX(msdb.dbo.backupset.backup_finish_date) AS last_db_backup_date 
FROM msdb.dbo.backupmediafamily 
INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id 
GROUP BY msdb.dbo.backupset.database_name 
) AS B 
RIGHT JOIN sys.databases sd ON sd.NAME = B.database_name 
INNER JOIN (
SELECT (SUM(size) * 8/1024) AS SizeMB 
    ,database_id 
FROM sys.master_files 
GROUP BY database_id 
) AS A ON sd.database_id = a.database_id 
FULL JOIN (
SELECT DB_NAME(dbid) AS DBName 
    ,COUNT(dbid) AS NumberOfConnections 
FROM sys.sysprocesses 
WHERE dbid > 0 
    AND spid >= 51 
GROUP BY dbid 
) AS C ON sd.NAME = C.DBName 
ORDER BY sd.database_id 
FOR XML RAW ('DATABASES'), 
ROOT ('SERVERROOT'), 
Elements 

Answer 1

试试这个：我通过调用三列LastBackupDate，SizeMB和ActiveDBConnections的情况下直接您的腹胀加入简化您的查询。没有SQL-Server的2000准备测试，但我认为这应该工作：

SELECT 
    sd.dbid AS DatabaseID 
    ,NAME AS DatabaseName 
    ,CASE 
     WHEN NAME IN ('master','msdb','model','tempdb','distribution') THEN 'S' 
     ELSE 'U' 
    END AS SysUserType 
    ,cmptlevel AS CompatibilityLevel 
    ,databasepropertyex(NAME, 'Collation') AS [CollationName] 
    ,CASE databasepropertyex(NAME, 'Status') 
     WHEN 'ONLINE'    THEN 0 
     WHEN 'RESTORING'   THEN 1 
     WHEN 'RECOVERING'   THEN 2 
     WHEN 'RECOVERY_PENDING' THEN 3 
     WHEN 'SUSPECT'    THEN 4 
     WHEN 'EMERGENCY'   THEN 5 
     WHEN 'OFFLINE'    THEN 6 
     WHEN 'COPYING'    THEN 7 
    END AS [STATE] 
    ,databasepropertyex(NAME, 'Status') AS StateDesc 
    ,CASE databasepropertyex(NAME, 'Recovery') 
     WHEN 'FULL'    THEN 1 
     WHEN 'BULK_LOGGED'   THEN 2 
     WHEN 'SIMPLE'    THEN 3 
    END AS RecoveryModel 
    ,databasepropertyex(NAME, 'Recovery') AS RecoveryModelDesc 
    ,crdate AS DatabaseCreationDate 
    ,(SELECT MAX(bs.backup_finish_date) FROM msdb.dbo.backupset AS bs WHERE bs.database_name=sd.name) AS LastBackupDate 
    ,(SELECT (SUM(saf.size) * 8/1024) FROM sysaltfiles AS saf WHERE saf.dbid=sd.dbid) AS SizeMB 
    ,(SELECT COUNT(sp.dbid) FROM sysprocesses AS sp WHERE dbid > 0 AND spid >= 51 AND sp.dbid=sd.dbid) AS ActiveDBConnections 
    ,SERVERPROPERTY('Machinename') AS SQLServerName 
    ,CASE 
     WHEN SERVERPROPERTY('Instancename') IS NULL 
      THEN 'Default' 
     ELSE SERVERPROPERTY('Instancename') 
     END AS SQLServerInstanceName 
    ,SERVERPROPERTY('ProductVersion') AS SQLServerVersion 
    ,SERVERPROPERTY('Edition') AS SQLServerEdition 
FROM sysdatabases sd 
ORDER BY sd.dbid 

一个提示

正如你可能知道，SQL-服务器还不知道类型的XML，但有FOR XML RAW,FOR XML AUTO和​​以字符串类型返回XML。