According to the DBI documentation, you should call selectcol_arrayref on a database handle ($dbh), not a statement handle. 

$dbh = DBI->connect( ... ) || die ...;
@EasySetTableNames = @{$dbh->selectcol_arrayref($sqlStatement)};

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In reply to Re: MSSQL Select to an array: error with selectcol_arrayref by kyle
in thread MSSQL Select to an array: error with selectcol_arrayref by Olaf

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