我是 SQL 管理的新手，负责创建一些夜间作业，这些作业发送一封电子邮件，其中包含电子表格中包含的某些详细信息，到目前为止，我有以下内容：
EXEC msdb.dbo.sp_send_dbmail
@profile_name = 'support',
@recipients = 'test@mail.co.uk',
@subject = 'Post Code Analysis',
@query = N'SET ANSI_WARNINGS OFF;SET NO COUNT ON;select substring(PostOfficeBox,1,4) as ''Postcode''
, COUNT(CASE WHEN New_accounttype = 1 THEN New_AccountType ELSE NULL END) as ''New Connections''
, COUNT(CASE WHEN New_accounttype = 2 THEN New_AccountType ELSE NULL END) as ''Domestic Metered''
, COUNT(CASE WHEN New_accounttype = 3 THEN New_AccountType ELSE NULL END) as ''Commercial Metered Low''
, COUNT(CASE WHEN New_accounttype = 4 THEN New_AccountType ELSE NULL …