sql server - Quoted and Unquoted comma separated list in T-SQL -

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i've requirement need select column in sql table 2 separate fields containing comma separated values - 1 should quoted , other 1 should unquoted.

so example, if table has values b c d e in single column, select sql statement should return 2 fields - 1 field containing values 'a','b','c','d','e' , other 1 containing values a,b,c,d,e.

i'm running following sql statement achieve this:

select      substring((select top 100 ''',''' + cast(sales_id nvarchar(50))                 sales_order_header                 (status = 0)                 order updated_datetime, 1                 xml path('')),3,2147483647) + '''' quoted,      substring((select top 100 ',' + cast(sales_id nvarchar(50))                 sales_order_header                 (status = 0)                 order updated_datetime, 1                 xml path('')),2,2147483647) + '' unquoted

however, had scenario results "quoted" , "unquoted" column different though running same "select" statement in substring function.

what best way achieve want ?

is there way write sql statement such queries table once , reuses results both columns rather running "select" statement twice.

you can avoid repeated duplication of query building basic query cte or derived table. assuming sales_id numeric, building unquoted version quoted version can achieved replacing out quotes:

with mycte(col) (     select top 100 ''',''' + cast(sales_id nvarchar(50))         sales_order_header          (status = 0)          order updated_datetime, 1 xml path('') ) select substring(col, 3,2147483647) + '''' quoted,         substring(replace(col, '''', ''),2,2147483647) + '' unquoted mycte;

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