In the SQL procedure (PROC), the SELECT statement's INTO clause is case-sensitive. Consequently, when you use a range of macro variables in the INTO clause and those variable names have inconsistent casing, a warning similar to the following occurs:

  select name into :mvar1 - :Mvar20
  WARNING: INTO Clause :mvar1 thru :Mvar20 does not specify a valid sequence of macro variables.

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