Create SSRS variable from SQL table records

I need to create a variable in my SQL stored procedure from records in a table, and when finished will look like:

2015-10-20,2015-10-21,2015-10-22,2015-10-23      etc...


I want the variable to mimic what a actual SSRS multi-select parameter looks like when it is inputted into a stored procedure and not contain duplicates, which is a possibility.

Lets say TABLEA contains these records (could be more could be less could be just 1 record):    (max is a 30 records in this table)

thayduckProgrammer AnalystAsked:
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Jose TorresCertified Database AdministratorCommented:
Try the following.

	coldates VARCHAR(50)
INSERT INTO @TABLEA VALUES ('2015-10-20'),('2015-10-21'),('2015-10-22'),('2015-10-23')

SELECT @mDates = COALESCE(@mDates + ',', '') + coldates

SELECT @mDates

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thayduckProgrammer AnalystAuthor Commented:

Thank You...
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